From 394f406a8c8e4472432821fe8ea1fb6f24484d1c Mon Sep 17 00:00:00 2001
From: ASuciuX <asuciu@hiro.so>
Date: Thu, 30 Nov 2023 18:33:20 +0200
Subject: [PATCH] feat: restructure the code for mutations

---
 mutants/clarity/mutants.out/caught.txt        |    54 -
 mutants/clarity/mutants.out/missed.txt        |    24 -
 mutants/clarity/mutants.out/mutants.json      |  1253 -
 mutants/clarity/mutants.out/outcomes.json     |  4930 -
 mutants/clarity/mutants.out/unviable.txt      |    61 -
 mutation-testing/mutants/clarity/caught.txt   |   487 +
 .../mutants/clarity}/lock.json                |     2 +-
 mutation-testing/mutants/clarity/missed.txt   |   634 +
 mutation-testing/mutants/clarity/mutants.json | 26210 +++++
 .../mutants/clarity/outcomes.json             | 96820 ++++++++++++++++
 .../mutants/clarity}/timeout.txt              |     0
 mutation-testing/mutants/clarity/unviable.txt |  1791 +
 .../scripts/append.sh                         |     0
 mutation-testing/scripts/create-stable.sh     |     3 +
 mutation-testing/scripts/git-diff.sh          |     2 +
 .../scripts}/script2.sh                       |     0
 16 files changed, 125948 insertions(+), 6323 deletions(-)
 delete mode 100644 mutants/clarity/mutants.out/caught.txt
 delete mode 100644 mutants/clarity/mutants.out/missed.txt
 delete mode 100644 mutants/clarity/mutants.out/mutants.json
 delete mode 100644 mutants/clarity/mutants.out/outcomes.json
 delete mode 100644 mutants/clarity/mutants.out/unviable.txt
 create mode 100644 mutation-testing/mutants/clarity/caught.txt
 rename {mutants/clarity/mutants.out => mutation-testing/mutants/clarity}/lock.json (69%)
 create mode 100644 mutation-testing/mutants/clarity/missed.txt
 create mode 100644 mutation-testing/mutants/clarity/mutants.json
 create mode 100644 mutation-testing/mutants/clarity/outcomes.json
 rename {mutants/clarity/mutants.out => mutation-testing/mutants/clarity}/timeout.txt (100%)
 create mode 100644 mutation-testing/mutants/clarity/unviable.txt
 rename mutating-script/script.sh => mutation-testing/scripts/append.sh (100%)
 create mode 100644 mutation-testing/scripts/create-stable.sh
 create mode 100644 mutation-testing/scripts/git-diff.sh
 rename {mutating-script => mutation-testing/scripts}/script2.sh (100%)

diff --git a/mutants/clarity/mutants.out/caught.txt b/mutants/clarity/mutants.out/caught.txt
deleted file mode 100644
index 7325042f1c..0000000000
--- a/mutants/clarity/mutants.out/caught.txt
+++ /dev/null
@@ -1,54 +0,0 @@
-clarity/src/vm/types/signatures.rs:1923: replace <impl Display for StringUTF8Length>::fmt -> fmt::Result with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1652: replace TypeSignature::size -> u32 with 0
-clarity/src/vm/types/signatures.rs:524: replace TypeSignature::admits_type -> Result<bool> with Ok(false)
-clarity/src/vm/types/signatures.rs:1862: replace <impl Debug for TupleTypeSignature>::fmt -> fmt::Result with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1722: replace ListTypeData::inner_size -> Option<u32> with Some(1)
-clarity/src/vm/types/signatures.rs:524: replace TypeSignature::admits_type -> Result<bool> with Ok(true)
-clarity/src/vm/types/signatures.rs:1782: replace TupleTypeSignature::inner_size -> Option<u32> with None
-clarity/src/vm/types/signatures.rs:848: replace TupleTypeSignature::len -> u64 with 0
-clarity/src/vm/types/signatures.rs:1652: replace TypeSignature::size -> u32 with 1
-clarity/src/vm/types/signatures.rs:1658: replace TypeSignature::inner_size -> Option<u32> with Some(1)
-clarity/src/vm/types/signatures.rs:341: replace <impl From for u32>::from -> u32 with 0
-clarity/src/vm/types/signatures.rs:515: replace TypeSignature::is_no_type -> bool with true
-clarity/src/vm/types/signatures.rs:1722: replace ListTypeData::inner_size -> Option<u32> with None
-clarity/src/vm/types/signatures.rs:515: replace TypeSignature::is_no_type -> bool with false
-clarity/src/vm/types/signatures.rs:394: replace <impl From for u32>::from -> u32 with 0
-clarity/src/vm/types/signatures.rs:1748: replace TupleTypeSignature::type_size -> Option<u32> with None
-clarity/src/vm/types/signatures.rs:1722: replace ListTypeData::inner_size -> Option<u32> with Some(0)
-clarity/src/vm/types/signatures.rs:388: replace <impl From for u32>::from -> u32 with 0
-clarity/src/vm/types/signatures.rs:1883: replace <impl Display for TypeSignature>::fmt -> fmt::Result with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:394: replace <impl From for u32>::from -> u32 with 1
-clarity/src/vm/types/signatures.rs:1782: replace TupleTypeSignature::inner_size -> Option<u32> with Some(1)
-clarity/src/vm/types/signatures.rs:624: replace TypeSignature::admits_type_v2_1 -> Result<bool> with Ok(true)
-clarity/src/vm/types/signatures.rs:511: replace TypeSignature::is_response_type -> bool with false
-clarity/src/vm/types/signatures.rs:347: replace <impl From for u32>::from -> u32 with 1
-clarity/src/vm/types/signatures.rs:476: replace ListTypeData::get_max_len -> u32 with 0
-clarity/src/vm/types/signatures.rs:476: replace ListTypeData::get_max_len -> u32 with 1
-clarity/src/vm/types/signatures.rs:1735: replace ListTypeData::type_size -> Option<u32> with None
-clarity/src/vm/types/signatures.rs:857: replace TupleTypeSignature::field_type -> Option<&TypeSignature> with None
-clarity/src/vm/types/signatures.rs:341: replace <impl From for u32>::from -> u32 with 1
-clarity/src/vm/types/signatures.rs:865: replace TupleTypeSignature::admits -> Result<bool> with Ok(true)
-clarity/src/vm/types/signatures.rs:1917: replace <impl Display for BufferLength>::fmt -> fmt::Result with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1658: replace TypeSignature::inner_size -> Option<u32> with Some(0)
-clarity/src/vm/types/signatures.rs:848: replace TupleTypeSignature::len -> u64 with 1
-clarity/src/vm/types/signatures.rs:926: replace FunctionSignature::check_args_trait_compliance -> Result<bool> with Ok(true)
-clarity/src/vm/types/signatures.rs:926: replace FunctionSignature::check_args_trait_compliance -> Result<bool> with Ok(false)
-clarity/src/vm/types/signatures.rs:535: replace TypeSignature::admits_type_v2_0 -> Result<bool> with Ok(true)
-clarity/src/vm/types/signatures.rs:624: replace TypeSignature::admits_type_v2_1 -> Result<bool> with Ok(false)
-clarity/src/vm/types/signatures.rs:1782: replace TupleTypeSignature::inner_size -> Option<u32> with Some(0)
-clarity/src/vm/types/signatures.rs:388: replace <impl From for u32>::from -> u32 with 1
-clarity/src/vm/types/signatures.rs:535: replace TypeSignature::admits_type_v2_0 -> Result<bool> with Ok(false)
-clarity/src/vm/types/signatures.rs:1551: replace TypeSignature::parse_trait_type_repr -> Result<BTreeMap<ClarityName, FunctionSignature>> with Ok(BTreeMap::new())
-clarity/src/vm/types/signatures.rs:865: replace TupleTypeSignature::admits -> Result<bool> with Ok(false)
-clarity/src/vm/types/signatures.rs:470: replace ListTypeData::reduce_max_len with ()
-clarity/src/vm/types/signatures.rs:519: replace TypeSignature::admits -> Result<bool> with Ok(false)
-clarity/src/vm/types/signatures.rs:1658: replace TypeSignature::inner_size -> Option<u32> with None
-clarity/src/vm/types/signatures.rs:1852: replace <impl Display for TupleTypeSignature>::fmt -> fmt::Result with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:511: replace TypeSignature::is_response_type -> bool with true
-clarity/src/vm/types/signatures.rs:1696: replace TypeSignature::inner_type_size -> Option<u32> with None
-clarity/src/vm/types/signatures.rs:519: replace TypeSignature::admits -> Result<bool> with Ok(true)
-clarity/src/vm/types/signatures.rs:347: replace <impl From for u32>::from -> u32 with 0
-clarity/src/vm/types/signatures.rs:1812: replace parse_name_type_pairs -> Result<Vec<(ClarityName, TypeSignature)>> with Ok(vec![])
-clarity/src/vm/types/signatures.rs:1627: replace TypeSignature::depth -> u8 with 1
-clarity/src/vm/types/signatures.rs:896: replace TupleTypeSignature::shallow_merge with ()
-clarity/src/vm/types/signatures.rs:1627: replace TypeSignature::depth -> u8 with 0
diff --git a/mutants/clarity/mutants.out/missed.txt b/mutants/clarity/mutants.out/missed.txt
deleted file mode 100644
index 93210d252c..0000000000
--- a/mutants/clarity/mutants.out/missed.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-clarity/src/vm/types/signatures.rs:902: replace FixedFunction::total_type_size -> Result<u64> with Ok(0)
-clarity/src/vm/types/signatures.rs:69: replace AssetIdentifier::sugared -> String with "xyzzy".into()
-clarity/src/vm/types/signatures.rs:913: replace FunctionSignature::total_type_size -> Result<u64> with Ok(1)
-clarity/src/vm/types/signatures.rs:139: replace SequenceSubtype::is_list_type -> bool with false
-clarity/src/vm/types/signatures.rs:1690: replace TypeSignature::type_size -> Result<u32> with Ok(1)
-clarity/src/vm/types/signatures.rs:139: replace SequenceSubtype::is_list_type -> bool with true
-clarity/src/vm/types/signatures.rs:1735: replace ListTypeData::type_size -> Option<u32> with Some(0)
-clarity/src/vm/types/signatures.rs:1696: replace TypeSignature::inner_type_size -> Option<u32> with Some(0)
-clarity/src/vm/types/signatures.rs:1872: replace <impl Display for AssetIdentifier>::fmt -> fmt::Result with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1696: replace TypeSignature::inner_type_size -> Option<u32> with Some(1)
-clarity/src/vm/types/signatures.rs:1766: replace TupleTypeSignature::size -> u32 with 1
-clarity/src/vm/types/signatures.rs:1929: replace <impl Display for FunctionArg>::fmt -> fmt::Result with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1748: replace TupleTypeSignature::type_size -> Option<u32> with Some(1)
-clarity/src/vm/types/signatures.rs:1735: replace ListTypeData::type_size -> Option<u32> with Some(1)
-clarity/src/vm/types/signatures.rs:853: replace TupleTypeSignature::is_empty -> bool with true
-clarity/src/vm/types/signatures.rs:1766: replace TupleTypeSignature::size -> u32 with 0
-clarity/src/vm/types/signatures.rs:913: replace FunctionSignature::total_type_size -> Result<u64> with Ok(0)
-clarity/src/vm/types/signatures.rs:902: replace FixedFunction::total_type_size -> Result<u64> with Ok(1)
-clarity/src/vm/types/signatures.rs:69: replace AssetIdentifier::sugared -> String with String::new()
-clarity/src/vm/types/signatures.rs:1748: replace TupleTypeSignature::type_size -> Option<u32> with Some(0)
-clarity/src/vm/types/signatures.rs:1771: replace TupleTypeSignature::max_depth -> u8 with 0
-clarity/src/vm/types/signatures.rs:853: replace TupleTypeSignature::is_empty -> bool with false
-clarity/src/vm/types/signatures.rs:1771: replace TupleTypeSignature::max_depth -> u8 with 1
-clarity/src/vm/types/signatures.rs:1690: replace TypeSignature::type_size -> Result<u32> with Ok(0)
diff --git a/mutants/clarity/mutants.out/mutants.json b/mutants/clarity/mutants.out/mutants.json
deleted file mode 100644
index 23c0f4d577..0000000000
--- a/mutants/clarity/mutants.out/mutants.json
+++ /dev/null
@@ -1,1253 +0,0 @@
-[
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1923,
-    "function": "<impl Display for StringUTF8Length>::fmt",
-    "return_type": "-> fmt::Result",
-    "replacement": "Ok(Default::default())",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 401,
-    "function": "<impl TryFrom for StringUTF8Length>::try_from",
-    "return_type": "-> Result<StringUTF8Length>",
-    "replacement": "Ok(Default::default())",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1349,
-    "function": "TypeSignature::construct_parent_list_type",
-    "return_type": "-> Result<ListTypeData>",
-    "replacement": "Ok(Default::default())",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1652,
-    "function": "TypeSignature::size",
-    "return_type": "-> u32",
-    "replacement": "0",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 498,
-    "function": "TypeSignature::new_response",
-    "return_type": "-> Result<TypeSignature>",
-    "replacement": "Ok(Default::default())",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 902,
-    "function": "FixedFunction::total_type_size",
-    "return_type": "-> Result<u64>",
-    "replacement": "Ok(0)",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 721,
-    "function": "TypeSignature::canonicalize",
-    "return_type": "-> TypeSignature",
-    "replacement": "Default::default()",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 243,
-    "function": "FunctionArgSignature::canonicalize",
-    "return_type": "-> FunctionArgSignature",
-    "replacement": "Default::default()",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1862,
-    "function": "<impl Debug for TupleTypeSignature>::fmt",
-    "return_type": "-> fmt::Result",
-    "replacement": "Ok(Default::default())",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 524,
-    "function": "TypeSignature::admits_type",
-    "return_type": "-> Result<bool>",
-    "replacement": "Ok(false)",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1356,
-    "function": "TypeSignature::parent_list_type",
-    "return_type": "-> std::result::Result<ListTypeData, CheckErrors>",
-    "replacement": "Ok(Default::default())",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1722,
-    "function": "ListTypeData::inner_size",
-    "return_type": "-> Option<u32>",
-    "replacement": "Some(1)",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 464,
-    "function": "ListTypeData::destruct",
-    "return_type": "-> (TypeSignature, u32)",
-    "replacement": "(Default::default(), 0)",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 524,
-    "function": "TypeSignature::admits_type",
-    "return_type": "-> Result<bool>",
-    "replacement": "Ok(true)",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 69,
-    "function": "AssetIdentifier::sugared",
-    "return_type": "-> String",
-    "replacement": "\"xyzzy\".into()",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 913,
-    "function": "FunctionSignature::total_type_size",
-    "return_type": "-> Result<u64>",
-    "replacement": "Ok(1)",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1782,
-    "function": "TupleTypeSignature::inner_size",
-    "return_type": "-> Option<u32>",
-    "replacement": "None",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 128,
-    "function": "SequenceSubtype::unit_type",
-    "return_type": "-> TypeSignature",
-    "replacement": "Default::default()",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 139,
-    "function": "SequenceSubtype::is_list_type",
-    "return_type": "-> bool",
-    "replacement": "false",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1463,
-    "function": "TypeSignature::parse_optional_type_repr",
-    "return_type": "-> Result<TypeSignature>",
-    "replacement": "Ok(Default::default())",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1652,
-    "function": "TypeSignature::size",
-    "return_type": "-> u32",
-    "replacement": "1",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 848,
-    "function": "TupleTypeSignature::len",
-    "return_type": "-> u64",
-    "replacement": "0",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1690,
-    "function": "TypeSignature::type_size",
-    "return_type": "-> Result<u32>",
-    "replacement": "Ok(1)",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1658,
-    "function": "TypeSignature::inner_size",
-    "return_type": "-> Option<u32>",
-    "replacement": "Some(1)",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 139,
-    "function": "SequenceSubtype::is_list_type",
-    "return_type": "-> bool",
-    "replacement": "true",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 341,
-    "function": "<impl From for u32>::from",
-    "return_type": "-> u32",
-    "replacement": "0",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1305,
-    "function": "TypeSignature::empty_list",
-    "return_type": "-> ListTypeData",
-    "replacement": "Default::default()",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1417,
-    "function": "TypeSignature::parse_buff_type_repr",
-    "return_type": "-> Result<TypeSignature>",
-    "replacement": "Ok(Default::default())",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 273,
-    "function": "FunctionType::canonicalize",
-    "return_type": "-> FunctionType",
-    "replacement": "Default::default()",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 515,
-    "function": "TypeSignature::is_no_type",
-    "return_type": "-> bool",
-    "replacement": "false",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 992,
-    "function": "TypeSignature::max_buffer",
-    "return_type": "-> TypeSignature",
-    "replacement": "Default::default()",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 515,
-    "function": "TypeSignature::is_no_type",
-    "return_type": "-> bool",
-    "replacement": "true",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 486,
-    "function": "TypeSignature::new_option",
-    "return_type": "-> Result<TypeSignature>",
-    "replacement": "Ok(Default::default())",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 394,
-    "function": "<impl From for u32>::from",
-    "return_type": "-> u32",
-    "replacement": "0",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1722,
-    "function": "ListTypeData::inner_size",
-    "return_type": "-> Option<u32>",
-    "replacement": "None",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1748,
-    "function": "TupleTypeSignature::type_size",
-    "return_type": "-> Option<u32>",
-    "replacement": "None",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1722,
-    "function": "ListTypeData::inner_size",
-    "return_type": "-> Option<u32>",
-    "replacement": "Some(0)",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1339,
-    "function": "TypeSignature::literal_type_of",
-    "return_type": "-> TypeSignature",
-    "replacement": "Default::default()",
-    "genre": "FnValue"
-  },
-  {
-    "package": "clarity",
-    "file": "clarity/src/vm/types/signatures.rs",
-    "line": 1312,
-    "function": "TypeSignature::type_of",
-    "return_type": "-> TypeSignature",
-    "replacement": "Default::default()",
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-    "package": "clarity",
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\ No newline at end of file
diff --git a/mutants/clarity/mutants.out/outcomes.json b/mutants/clarity/mutants.out/outcomes.json
deleted file mode 100644
index 163ef2651e..0000000000
--- a/mutants/clarity/mutants.out/outcomes.json
+++ /dev/null
@@ -1,4930 +0,0 @@
-{
-  "outcomes": [
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-      "scenario": "Baseline",
-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/baseline.log",
-      "summary": "Success",
-      "phase_results": [
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-            "--tests",
-            "--manifest-path",
-            "/var/folders/wr/nxd5pyh545z8rk128h04wj480000gs/T/cargo-mutants-stacks-core-W1ZG58.tmp/clarity/Cargo.toml"
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-        },
-        {
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-          "process_status": "Success",
-          "argv": [
-            "/Users/asuciu/.rustup/toolchains/stable-aarch64-apple-darwin/bin/cargo",
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-            "--manifest-path",
-            "/var/folders/wr/nxd5pyh545z8rk128h04wj480000gs/T/cargo-mutants-stacks-core-W1ZG58.tmp/clarity/Cargo.toml"
-          ]
-        }
-      ]
-    },
-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 1349,
-          "function": "TypeSignature::construct_parent_list_type",
-          "return_type": "-> Result<ListTypeData>",
-          "replacement": "Ok(Default::default())",
-          "genre": "FnValue"
-        }
-      },
-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__signatures.rs_line_1349.log",
-      "summary": "Unviable",
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-          "phase": "Build",
-          "duration": 2.413352667,
-          "process_status": "Failure",
-          "argv": [
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-            "--manifest-path",
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-          ]
-        }
-      ]
-    },
-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 498,
-          "function": "TypeSignature::new_response",
-          "return_type": "-> Result<TypeSignature>",
-          "replacement": "Ok(Default::default())",
-          "genre": "FnValue"
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-      },
-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__signatures.rs_line_498.log",
-      "summary": "Unviable",
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-          "phase": "Build",
-          "duration": 1.8009515,
-          "process_status": "Failure",
-          "argv": [
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-            "--manifest-path",
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-          ]
-        }
-      ]
-    },
-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 401,
-          "function": "<impl TryFrom for StringUTF8Length>::try_from",
-          "return_type": "-> Result<StringUTF8Length>",
-          "replacement": "Ok(Default::default())",
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-      },
-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__signatures.rs_line_401.log",
-      "summary": "Unviable",
-      "phase_results": [
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-          "phase": "Build",
-          "duration": 8.302728625,
-          "process_status": "Failure",
-          "argv": [
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-          ]
-        }
-      ]
-    },
-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 721,
-          "function": "TypeSignature::canonicalize",
-          "return_type": "-> TypeSignature",
-          "replacement": "Default::default()",
-          "genre": "FnValue"
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-      },
-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__signatures.rs_line_721.log",
-      "summary": "Unviable",
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-          "phase": "Build",
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-          "process_status": "Failure",
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-          ]
-        }
-      ]
-    },
-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 243,
-          "function": "FunctionArgSignature::canonicalize",
-          "return_type": "-> FunctionArgSignature",
-          "replacement": "Default::default()",
-          "genre": "FnValue"
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-      },
-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__signatures.rs_line_243.log",
-      "summary": "Unviable",
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-          "phase": "Build",
-          "duration": 7.594266708,
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-            "--manifest-path",
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-      ]
-    },
-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 902,
-          "function": "FixedFunction::total_type_size",
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-          "replacement": "Ok(0)",
-          "genre": "FnValue"
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-      },
-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__signatures.rs_line_902.log",
-      "summary": "MissedMutant",
-      "phase_results": [
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-          "process_status": "Success",
-          "argv": [
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-            "/var/folders/wr/nxd5pyh545z8rk128h04wj480000gs/T/cargo-mutants-stacks-core-W1ZG58.tmp/clarity/Cargo.toml"
-          ]
-        }
-      ]
-    },
-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 1923,
-          "function": "<impl Display for StringUTF8Length>::fmt",
-          "return_type": "-> fmt::Result",
-          "replacement": "Ok(Default::default())",
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-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__signatures.rs_line_1923.log",
-      "summary": "CaughtMutant",
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-          "argv": [
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-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 1652,
-          "function": "TypeSignature::size",
-          "return_type": "-> u32",
-          "replacement": "0",
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-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__signatures.rs_line_1652.log",
-      "summary": "CaughtMutant",
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-          "argv": [
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-          "process_status": "Failure",
-          "argv": [
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-            "--manifest-path",
-            "/var/folders/wr/nxd5pyh545z8rk128h04wj480000gs/T/cargo-mutants-stacks-core-Og13Ay.tmp/clarity/Cargo.toml"
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-      ]
-    },
-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 524,
-          "function": "TypeSignature::admits_type",
-          "return_type": "-> Result<bool>",
-          "replacement": "Ok(false)",
-          "genre": "FnValue"
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-      },
-      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__signatures.rs_line_524.log",
-      "summary": "CaughtMutant",
-      "phase_results": [
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-          "phase": "Build",
-          "duration": 23.007986375,
-          "process_status": "Success",
-          "argv": [
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-    {
-      "scenario": {
-        "Mutant": {
-          "package": "clarity",
-          "file": "clarity/src/vm/types/signatures.rs",
-          "line": 1356,
-          "function": "TypeSignature::parent_list_type",
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-      "summary": "CaughtMutant",
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-  "total_mutants": 139,
-  "missed": 24,
-  "caught": 54,
-  "timeout": 0,
-  "unviable": 61,
-  "success": 0,
-  "failure": 0
-}
\ No newline at end of file
diff --git a/mutants/clarity/mutants.out/unviable.txt b/mutants/clarity/mutants.out/unviable.txt
deleted file mode 100644
index a24d04d96c..0000000000
--- a/mutants/clarity/mutants.out/unviable.txt
+++ /dev/null
@@ -1,61 +0,0 @@
-clarity/src/vm/types/signatures.rs:1349: replace TypeSignature::construct_parent_list_type -> Result<ListTypeData> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:498: replace TypeSignature::new_response -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:401: replace <impl TryFrom for StringUTF8Length>::try_from -> Result<StringUTF8Length> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:721: replace TypeSignature::canonicalize -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:243: replace FunctionArgSignature::canonicalize -> FunctionArgSignature with Default::default()
-clarity/src/vm/types/signatures.rs:1356: replace TypeSignature::parent_list_type -> std::result::Result<ListTypeData, CheckErrors> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:464: replace ListTypeData::destruct -> (TypeSignature, u32) with (Default::default(), 0)
-clarity/src/vm/types/signatures.rs:128: replace SequenceSubtype::unit_type -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:1463: replace TypeSignature::parse_optional_type_repr -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1305: replace TypeSignature::empty_list -> ListTypeData with Default::default()
-clarity/src/vm/types/signatures.rs:1417: replace TypeSignature::parse_buff_type_repr -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:273: replace FunctionType::canonicalize -> FunctionType with Default::default()
-clarity/src/vm/types/signatures.rs:992: replace TypeSignature::max_buffer -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:486: replace TypeSignature::new_option -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1312: replace TypeSignature::type_of -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:1339: replace TypeSignature::literal_type_of -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:958: replace TypeSignature::empty_buffer -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:1446: replace TypeSignature::parse_string_ascii_type_repr -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:978: replace TypeSignature::max_string_ascii -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:329: replace <impl From for TypeSignature>::from -> Self with Default::default()
-clarity/src/vm/types/signatures.rs:806: replace <impl TryFrom for TupleTypeSignature>::try_from -> Result<TupleTypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:480: replace ListTypeData::get_list_item_type -> &TypeSignature with &Default::default()
-clarity/src/vm/types/signatures.rs:1476: replace TypeSignature::parse_response_type_repr -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:763: replace TypeSignature::concretize -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1007: replace TypeSignature::bound_string_ascii_type -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:1388: replace TypeSignature::parse_list_type_repr -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1409: replace TypeSignature::parse_tuple_type_repr -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1019: replace TypeSignature::factor_out_no_type -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:887: replace TupleTypeSignature::parse_name_type_pair_list -> Result<TupleTypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:861: replace TupleTypeSignature::get_type_map -> &BTreeMap<ClarityName, TypeSignature> with &BTreeMap::from_iter([(Default::default(), Default::default())])
-clarity/src/vm/types/signatures.rs:1065: replace TypeSignature::least_supertype_v2_0 -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1167: replace TypeSignature::least_supertype_v2_1 -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:857: replace TupleTypeSignature::field_type -> Option<&TypeSignature> with Some(&Default::default())
-clarity/src/vm/types/signatures.rs:261: replace FunctionReturnsSignature::canonicalize -> FunctionReturnsSignature with Default::default()
-clarity/src/vm/types/signatures.rs:1431: replace TypeSignature::parse_string_utf8_type_repr -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1372: replace TypeSignature::parse_atom_type -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:999: replace TypeSignature::contract_name_string_ascii_type -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:939: replace FunctionSignature::canonicalize -> FunctionSignature with Default::default()
-clarity/src/vm/types/signatures.rs:1551: replace TypeSignature::parse_trait_type_repr -> Result<BTreeMap<ClarityName, FunctionSignature>> with Ok(BTreeMap::from_iter([(Default::default(), Default::default())]))
-clarity/src/vm/types/signatures.rs:1301: replace TypeSignature::list_of -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1489: replace TypeSignature::parse_type_repr -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:825: replace <impl TryFrom for TupleTypeSignature>::try_from -> Result<TupleTypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:365: replace <impl TryFrom for BufferLength>::try_from -> Result<BufferLength> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:415: replace <impl TryFrom for StringUTF8Length>::try_from -> Result<StringUTF8Length> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:321: replace <impl From for FunctionSignature>::from -> FunctionSignature with Default::default()
-clarity/src/vm/types/signatures.rs:376: replace <impl TryFrom for BufferLength>::try_from -> Result<BufferLength> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:59: replace AssetIdentifier::STX_burned -> AssetIdentifier with Default::default()
-clarity/src/vm/types/signatures.rs:966: replace TypeSignature::min_string_ascii -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:861: replace TupleTypeSignature::get_type_map -> &BTreeMap<ClarityName, TypeSignature> with &BTreeMap::new()
-clarity/src/vm/types/signatures.rs:962: replace TypeSignature::min_buffer -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:444: replace ListTypeData::new_list -> Result<ListTypeData> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:464: replace ListTypeData::destruct -> (TypeSignature, u32) with (Default::default(), 1)
-clarity/src/vm/types/signatures.rs:1812: replace parse_name_type_pairs -> Result<Vec<(ClarityName, TypeSignature)>> with Ok(vec![(Default::default(), Default::default())])
-clarity/src/vm/types/signatures.rs:985: replace TypeSignature::max_string_utf8 -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:354: replace <impl TryFrom for BufferLength>::try_from -> Result<BufferLength> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:429: replace <impl TryFrom for StringUTF8Length>::try_from -> Result<StringUTF8Length> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:1054: replace TypeSignature::least_supertype -> Result<TypeSignature> with Ok(Default::default())
-clarity/src/vm/types/signatures.rs:972: replace TypeSignature::min_string_utf8 -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:733: replace TypeSignature::canonicalize_v2_1 -> TypeSignature with Default::default()
-clarity/src/vm/types/signatures.rs:49: replace AssetIdentifier::STX -> AssetIdentifier with Default::default()
-clarity/src/vm/types/signatures.rs:335: replace <impl From for TypeSignature>::from -> Self with Default::default()
diff --git a/mutation-testing/mutants/clarity/caught.txt b/mutation-testing/mutants/clarity/caught.txt
new file mode 100644
index 0000000000..41203cc4ae
--- /dev/null
+++ b/mutation-testing/mutants/clarity/caught.txt
@@ -0,0 +1,487 @@
+clarity/src/vm/database/key_value_wrapper.rs:265: replace RollbackWrapper<'a>::commit with ()
+clarity/src/vm/types/mod.rs:871: replace Value::size -> u32 with 1
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:210: replace ContractContext::into_contract_analysis with ()
+clarity/src/vm/contexts.rs:271: replace AssetMap::get_next_stx_burn_amount -> Result<u128> with Ok(0)
+clarity/src/vm/functions/boolean.rs:27: replace type_force_bool -> Result<bool> with Ok(true)
+clarity/src/vm/database/key_value_wrapper.rs:45: replace rollback_edits_push with ()
+clarity/src/vm/representations.rs:194: replace <impl SymbolicExpressionCommon for PreSymbolicExpression>::set_id with ()
+clarity/src/vm/database/structures.rs:837: replace STXBalance::checked_add_unlocked_amount -> Option<u128> with Some(1)
+clarity/src/vm/database/clarity_db.rs:1870: replace ClarityDatabase<'a>::make_key_for_account -> String with String::new()
+clarity/src/vm/database/clarity_store.rs:323: replace <impl ClarityBackingStore for MemoryBackingStore>::get_current_block_height -> u32 with 0
+clarity/src/vm/functions/principals.rs:40: replace version_matches_testnet -> bool with false
+clarity/src/vm/database/structures.rs:892: replace STXBalance::get_available_balance_at_burn_block -> u128 with 0
+clarity/src/vm/functions/options.rs:220: replace is_some -> Result<bool> with Ok(true)
+clarity/src/vm/diagnostic.rs:67: replace <impl Display for Diagnostic>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:1760: replace ClarityDatabase<'a>::get_ft_supply -> Result<u128> with Ok(1)
+clarity/src/vm/types/serialization.rs:396: replace TypeSignature::max_serialized_size -> Result<u32, CheckErrors> with Ok(0)
+clarity/src/vm/mod.rs:557: replace execute -> Result<Option<Value>> with Ok(None)
+clarity/src/vm/database/clarity_db.rs:472: replace ClarityDatabase<'a>::get -> Option<T> with None
+clarity/src/vm/types/signatures.rs:535: replace TypeSignature::admits_type_v2_0 -> Result<bool> with Ok(false)
+clarity/src/vm/database/structures.rs:790: replace STXBalance::amount_locked -> u128 with 1
+clarity/src/vm/analysis/types.rs:104: replace ContractAnalysis::replace_contract_cost_tracker with ()
+clarity/src/vm/database/clarity_db.rs:441: replace ClarityDatabase<'a>::commit with ()
+clarity/src/vm/database/clarity_db.rs:561: replace ClarityDatabase<'a>::insert_contract_hash -> Result<()> with Ok(())
+clarity/src/vm/functions/principals.rs:34: replace version_matches_mainnet -> bool with false
+clarity/src/vm/analysis/analysis_db.rs:58: replace AnalysisDatabase<'a>::begin with ()
+clarity/src/vm/contexts.rs:1699: replace GlobalContext<'a, 'hooks>::begin with ()
+clarity/src/vm/functions/define.rs:277: replace DefineFunctions::try_parse -> Option<(DefineFunctions, &[SymbolicExpression])> with None
+clarity/src/vm/contexts.rs:314: replace AssetMap::add_asset_transfer with ()
+clarity/src/vm/database/clarity_db.rs:1870: replace ClarityDatabase<'a>::make_key_for_account -> String with "xyzzy".into()
+clarity/src/vm/database/clarity_db.rs:1290: replace ClarityDatabase<'a>::make_key_for_data_map_entry -> String with String::new()
+clarity/src/vm/costs/mod.rs:1114: replace <impl CostOverflowingMath for u64>::cost_overflow_mul -> Result<u64> with Ok(1)
+clarity/src/vm/types/signatures.rs:926: replace FunctionSignature::check_args_trait_compliance -> Result<bool> with Ok(true)
+clarity/src/vm/analysis/analysis_db.rs:62: replace AnalysisDatabase<'a>::commit with ()
+clarity/src/vm/contexts.rs:1694: replace GlobalContext<'a, 'hooks>::is_read_only -> bool with true
+clarity/src/vm/contexts.rs:1714: replace GlobalContext<'a, 'hooks>::commit -> Result<(Option<AssetMap>, Option<EventBatch>)> with Ok((None, None))
+clarity/src/vm/contexts.rs:1274: replace Environment<'a, 'b, 'hooks>::initialize_contract -> Result<()> with Ok(())
+clarity/src/vm/errors.rs:132: replace <impl Display for Error>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/analysis/types.rs:118: replace ContractAnalysis::add_variable_type with ()
+clarity/src/vm/types/signatures.rs:624: replace TypeSignature::admits_type_v2_1 -> Result<bool> with Ok(true)
+clarity/src/vm/contexts.rs:1889: replace LocalContext<'a>::extend -> Result<LocalContext<'a>> with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:758: replace ClarityDatabase<'a>::increment_ustx_liquid_supply -> Result<()> with Ok(())
+clarity/src/vm/costs/mod.rs:1114: replace <impl CostOverflowingMath for u64>::cost_overflow_mul -> Result<u64> with Ok(0)
+clarity/src/vm/representations.rs:372: replace PreSymbolicExpression::match_list -> Option<&[PreSymbolicExpression]> with None
+clarity/src/vm/types/signatures.rs:476: replace ListTypeData::get_max_len -> u32 with 1
+clarity/src/vm/mod.rs:513: replace execute_with_parameters -> Result<Option<Value>> with Ok(None)
+clarity/src/vm/functions/define.rs:114: replace check_legal_define -> Result<()> with Ok(())
+clarity/src/vm/types/signatures.rs:865: replace TupleTypeSignature::admits -> Result<bool> with Ok(false)
+clarity/src/vm/types/signatures.rs:515: replace TypeSignature::is_no_type -> bool with true
+clarity/src/vm/types/signatures.rs:1627: replace TypeSignature::depth -> u8 with 1
+clarity/src/vm/types/serialization.rs:1175: replace Value::serialize_to_vec -> Vec<u8> with vec![1]
+clarity/src/vm/mod.rs:369: replace eval_all -> Result<Option<Value>> with Ok(None)
+clarity/src/vm/database/clarity_db.rs:436: replace ClarityDatabase<'a>::begin with ()
+clarity/src/vm/database/clarity_db.rs:937: replace ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height -> Option<(Vec<TupleData>, u128)> with None
+clarity/src/vm/database/key_value_wrapper.rs:315: replace RollbackWrapper<'a>::put with ()
+clarity/src/vm/ast/definition_sorter/mod.rs:488: replace GraphWalker::get_cycling_dependencies -> Option<Vec<usize>> with None
+clarity/src/vm/mod.rs:353: replace is_reserved -> bool with false
+clarity/src/vm/types/signatures.rs:1627: replace TypeSignature::depth -> u8 with 0
+clarity/src/vm/types/mod.rs:875: replace Value::depth -> u8 with 1
+clarity/src/vm/contexts.rs:1818: replace ContractContext::lookup_function -> Option<DefinedFunction> with None
+clarity/src/vm/database/structures.rs:837: replace STXBalance::checked_add_unlocked_amount -> Option<u128> with Some(0)
+clarity/src/vm/ast/definition_sorter/mod.rs:421: replace Graph::get_node_descendants -> Vec<usize> with vec![0]
+clarity/src/vm/contexts.rs:1829: replace ContractContext::is_explicitly_implementing_trait -> bool with true
+clarity/src/vm/types/mod.rs:1053: replace Value::expect_buff -> Vec<u8> with vec![1]
+clarity/src/vm/types/signatures.rs:519: replace TypeSignature::admits -> Result<bool> with Ok(false)
+clarity/src/vm/contexts.rs:284: replace AssetMap::get_next_amount -> Result<u128> with Ok(0)
+clarity/src/vm/types/signatures.rs:1722: replace ListTypeData::inner_size -> Option<u32> with Some(0)
+clarity/src/vm/database/clarity_db.rs:748: replace ClarityDatabase<'a>::set_ustx_liquid_supply with ()
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:92: replace ArithmeticOnlyChecker<'a>::check_define_function -> Result<(), Error> with Ok(())
+clarity/src/vm/database/structures.rs:396: replace STXBalanceSnapshot<'db, 'conn>::can_transfer -> bool with false
+clarity/src/vm/database/structures.rs:409: replace STXBalanceSnapshot<'db, 'conn>::credit with ()
+clarity/src/vm/analysis/analysis_db.rs:93: replace AnalysisDatabase<'a>::load_contract_non_canonical -> Option<ContractAnalysis> with None
+clarity/src/vm/functions/options.rs:28: replace inner_unwrap -> Result<Option<Value>> with Ok(None)
+clarity/src/vm/types/signatures.rs:476: replace ListTypeData::get_max_len -> u32 with 0
+clarity/src/vm/database/key_value_wrapper.rs:305: replace inner_put with ()
+clarity/src/vm/contexts.rs:1694: replace GlobalContext<'a, 'hooks>::is_read_only -> bool with false
+clarity/src/vm/database/structures.rs:358: replace STXBalanceSnapshot<'db, 'conn>::get_available_balance -> u128 with 0
+clarity/src/vm/analysis/errors.rs:279: replace check_argument_count -> Result<(), CheckErrors> with Ok(())
+clarity/src/vm/docs/mod.rs:728: replace get_input_type_string -> String with "xyzzy".into()
+clarity/src/vm/database/sqlite.rs:81: replace SqliteConnection::get -> Option<String> with None
+clarity/src/vm/contexts.rs:1626: replace GlobalContext<'a, 'hooks>::log_token_transfer -> Result<()> with Ok(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:312: replace ContractContext::get_variable_type -> Option<&TypeSignature> with None
+clarity/src/vm/database/clarity_db.rs:699: replace ClarityDatabase<'a>::has_contract -> bool with true
+clarity/src/vm/contexts.rs:263: replace AssetMap::get_next_stx_amount -> Result<u128> with Ok(0)
+clarity/src/vm/types/mod.rs:1253: replace <impl Display for ResponseData>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/contexts.rs:1714: replace GlobalContext<'a, 'hooks>::commit -> Result<(Option<AssetMap>, Option<EventBatch>)> with Ok((Some(Default::default()), None))
+clarity/src/vm/database/clarity_db.rs:1115: replace map_no_contract_as_none -> Result<Option<T>> with Ok(None)
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:274: replace ArithmeticOnlyChecker<'a>::check_function_application -> Result<(), Error> with Ok(())
+clarity/src/vm/database/clarity_store.rs:319: replace <impl ClarityBackingStore for MemoryBackingStore>::get_open_chain_tip_height -> u32 with 1
+clarity/src/vm/contexts.rs:1939: replace CallStack::depth -> usize with 1
+clarity/src/vm/database/clarity_db.rs:1302: replace ClarityDatabase<'a>::make_key_for_data_map_entry_serialized -> String with String::new()
+clarity/src/vm/types/signatures.rs:1917: replace <impl Display for BufferLength>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:420: replace RollbackWrapper<'a>::get_current_block_height -> u32 with 0
+clarity/src/vm/contexts.rs:1635: replace GlobalContext<'a, 'hooks>::log_stx_transfer -> Result<()> with Ok(())
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:165: replace ArithmeticOnlyChecker<'a>::try_native_function_check -> Option<Result<(), Error>> with Some(Ok(()))
+clarity/src/vm/database/clarity_db.rs:926: replace ClarityDatabase<'a>::get_burnchain_block_header_hash_for_burnchain_height -> Option<BurnchainHeaderHash> with None
+clarity/src/vm/database/clarity_db.rs:694: replace ClarityDatabase<'a>::insert_contract with ()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:43: replace is_string_terminator -> bool with true
+clarity/src/vm/types/signatures.rs:524: replace TypeSignature::admits_type -> Result<bool> with Ok(true)
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:88: replace ContractContext::get_nft_type -> Option<&TypeSignature> with None
+clarity/src/vm/analysis/types.rs:171: replace ContractAnalysis::get_private_function -> Option<&FunctionType> with None
+clarity/src/vm/ast/parser/v2/lexer/token.rs:47: replace <impl Display for Token>::fmt -> std::fmt::Result with Ok(Default::default())
+clarity/src/vm/types/signatures.rs:926: replace FunctionSignature::check_args_trait_compliance -> Result<bool> with Ok(false)
+clarity/src/vm/database/clarity_db.rs:1719: replace ClarityDatabase<'a>::get_ft_balance -> Result<u128> with Ok(1)
+clarity/src/vm/representations.rs:570: replace SymbolicExpression::match_list -> Option<&[SymbolicExpression]> with Some(Vec::leak(Vec::new()))
+clarity/src/vm/contexts.rs:1913: replace LocalContext<'a>::lookup_callable_contract -> Option<&CallableData> with None
+clarity/src/vm/analysis/types.rs:139: replace ContractAnalysis::add_private_function with ()
+clarity/src/vm/types/mod.rs:1361: replace <impl Display for PrincipalData>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/contexts.rs:1825: replace ContractContext::lookup_trait_definition -> Option<BTreeMap<ClarityName, FunctionSignature>> with None
+clarity/src/vm/types/serialization.rs:1153: replace <impl Write for WriteCounter>::write -> std::io::Result<usize> with Ok(0)
+clarity/src/vm/database/clarity_db.rs:446: replace ClarityDatabase<'a>::roll_back with ()
+clarity/src/vm/types/signatures.rs:1782: replace TupleTypeSignature::inner_size -> Option<u32> with Some(1)
+clarity/src/vm/types/mod.rs:794: replace <impl PartialEq for ListData>::eq -> bool with false
+clarity/src/vm/contexts.rs:1595: replace GlobalContext<'a, 'hooks>::is_top_level -> bool with false
+clarity/src/vm/database/clarity_db.rs:306: replace <impl HeadersDB for NullHeadersDB>::get_burn_block_height_for_block -> Option<u32> with None
+clarity/src/vm/ast/definition_sorter/mod.rs:421: replace Graph::get_node_descendants -> Vec<usize> with vec![1]
+clarity/src/vm/database/key_value_wrapper.rs:363: replace RollbackWrapper<'a>::get -> Option<T> with None
+clarity/src/vm/database/clarity_db.rs:737: replace ClarityDatabase<'a>::get_total_liquid_ustx -> u128 with 0
+clarity/src/vm/database/key_value_wrapper.rs:243: replace RollbackWrapper<'a>::rollback with ()
+clarity/src/vm/ast/types.rs:67: replace ContractAST::get_referenced_trait -> Option<&TraitDefinition> with None
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:332: replace ContractContext::into_contract_analysis with ()
+clarity/src/vm/database/clarity_db.rs:782: replace ClarityDatabase<'a>::is_in_regtest -> bool with false
+clarity/src/vm/database/clarity_db.rs:1874: replace ClarityDatabase<'a>::make_key_for_account_balance -> String with "xyzzy".into()
+clarity/src/vm/types/signatures.rs:341: replace <impl From for u32>::from -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:943: replace ClarityDatabase<'a>::get_burnchain_block_height -> Option<u32> with None
+clarity/src/vm/types/serialization.rs:1183: replace Value::serialize_to_hex -> String with "xyzzy".into()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:316: replace ContractContext::get_persisted_variable_type -> Option<&TypeSignature> with None
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:84: replace ContractContext::ft_exists -> bool with false
+clarity/src/vm/types/serialization.rs:1017: replace Value::serialize_write -> std::io::Result<()> with Ok(())
+clarity/src/vm/functions/options.rs:227: replace is_okay -> Result<bool> with Ok(false)
+clarity/src/vm/types/serialization.rs:1139: replace Value::serialized_size -> u32 with 0
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:190: replace ContractContext::get_variable_type -> Option<&TypeSignature> with None
+clarity/src/vm/types/mod.rs:423: replace SequenceData::filter -> Result<()> with Ok(())
+clarity/src/vm/types/mod.rs:680: replace <impl SequencedValue for UTF8Data>::drained_items -> Vec<Vec<u8>> with vec![vec![0]]
+clarity/src/vm/database/clarity_db.rs:476: replace ClarityDatabase<'a>::put_value -> Result<()> with Ok(())
+clarity/src/vm/types/serialization.rs:348: replace DeserializeStackItem::next_expected_type -> Result<Option<TypeSignature>, SerializationError> with Ok(None)
+clarity/src/vm/types/signatures.rs:1722: replace ListTypeData::inner_size -> Option<u32> with None
+clarity/src/vm/contexts.rs:302: replace AssetMap::add_stx_burn -> Result<()> with Ok(())
+clarity/src/vm/types/signatures.rs:347: replace <impl From for u32>::from -> u32 with 1
+clarity/src/vm/types/mod.rs:657: replace <impl SequencedValue for ASCIIData>::drained_items -> Vec<u8> with vec![]
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:266: replace ContractInterfaceFunction::from_map -> Vec<ContractInterfaceFunction> with vec![]
+clarity/src/vm/analysis/errors.rs:230: replace <impl Display for CheckError>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/types/signatures.rs:1696: replace TypeSignature::inner_type_size -> Option<u32> with None
+clarity/src/vm/contexts.rs:1903: replace LocalContext<'a>::lookup_variable -> Option<&Value> with None
+clarity/src/vm/database/clarity_db.rs:550: replace ClarityDatabase<'a>::make_key_for_quad -> String with "xyzzy".into()
+clarity/src/vm/callables.rs:331: replace DefinedFunction::is_read_only -> bool with true
+clarity/src/vm/database/key_value_wrapper.rs:433: replace RollbackWrapper<'a>::prepare_for_contract_metadata with ()
+clarity/src/vm/types/mod.rs:1244: replace <impl Display for OptionalData>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/types/serialization.rs:1153: replace <impl Write for WriteCounter>::write -> std::io::Result<usize> with Ok(1)
+clarity/src/vm/errors.rs:151: replace <impl Display for RuntimeErrorType>::fmt -> std::fmt::Result with Ok(Default::default())
+clarity/src/vm/contexts.rs:837: replace OwnedEnvironment<'a, 'hooks>::commit -> Result<(AssetMap, EventBatch)> with Ok((Default::default(), Default::default()))
+clarity/src/vm/database/sqlite.rs:77: replace SqliteConnection::put with ()
+clarity/src/vm/database/clarity_store.rs:295: replace <impl ClarityBackingStore for MemoryBackingStore>::get -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/types/signatures.rs:848: replace TupleTypeSignature::len -> u64 with 0
+clarity/src/vm/ast/definition_sorter/mod.rs:429: replace Graph::nodes_count -> usize with 0
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:320: replace ContractContext::get_function_type -> Option<&FunctionType> with None
+clarity/src/vm/contexts.rs:1943: replace CallStack::contains -> bool with true
+clarity/src/vm/ast/definition_sorter/mod.rs:488: replace GraphWalker::get_cycling_dependencies -> Option<Vec<usize>> with Some(vec![0])
+clarity/src/vm/types/signatures.rs:1735: replace ListTypeData::type_size -> Option<u32> with None
+clarity/src/vm/types/mod.rs:125: replace <impl Display for QualifiedContractIdentifier>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:802: replace ClarityDatabase<'a>::get_current_block_height -> u32 with 0
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:43: replace is_string_terminator -> bool with false
+clarity/src/vm/database/clarity_db.rs:1485: replace ClarityDatabase<'a>::data_map_entry_exists -> Result<bool> with Ok(true)
+clarity/src/vm/database/clarity_db.rs:1693: replace ClarityDatabase<'a>::checked_decrease_token_supply -> Result<()> with Ok(())
+clarity/src/vm/test_util/mod.rs:71: replace is_committed -> bool with true
+clarity/src/vm/contexts.rs:271: replace AssetMap::get_next_stx_burn_amount -> Result<u128> with Ok(1)
+clarity/src/vm/representations.rs:396: replace PreSymbolicExpression::match_comment -> Option<&str> with None
+clarity/src/vm/functions/principals.rs:47: replace version_matches_current_network -> bool with false
+clarity/src/vm/variables.rs:63: replace lookup_reserved_variable -> Result<Option<Value>> with Ok(None)
+clarity/src/vm/database/clarity_db.rs:486: replace ClarityDatabase<'a>::put_value_with_size -> Result<u64> with Ok(1)
+clarity/src/vm/types/mod.rs:657: replace <impl SequencedValue for ASCIIData>::drained_items -> Vec<u8> with vec![1]
+clarity/src/vm/representations.rs:586: replace SymbolicExpression::match_atom_value -> Option<&Value> with None
+clarity/src/vm/database/structures.rs:837: replace STXBalance::checked_add_unlocked_amount -> Option<u128> with None
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:170: replace ContractInterfaceAtomType::vec_from_tuple_type -> Vec<ContractInterfaceTupleEntryType> with vec![]
+clarity/src/vm/database/clarity_db.rs:458: replace ClarityDatabase<'a>::put with ()
+clarity/src/vm/analysis/read_only_checker/mod.rs:268: replace ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only -> Option<CheckResult<bool>> with None
+clarity/src/vm/contexts.rs:1714: replace GlobalContext<'a, 'hooks>::commit -> Result<(Option<AssetMap>, Option<EventBatch>)> with Ok((Some(Default::default()), Some(Default::default())))
+clarity/src/vm/database/clarity_db.rs:537: replace ClarityDatabase<'a>::make_metadata_key -> String with "xyzzy".into()
+clarity/src/vm/types/signatures.rs:1652: replace TypeSignature::size -> u32 with 1
+clarity/src/vm/types/signatures.rs:1862: replace <impl Debug for TupleTypeSignature>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/contexts.rs:333: replace AssetMap::add_token_transfer -> Result<()> with Ok(())
+clarity/src/vm/functions/principals.rs:34: replace version_matches_mainnet -> bool with true
+clarity/src/vm/analysis/types.rs:114: replace ContractAnalysis::add_map_type with ()
+clarity/src/vm/types/signatures.rs:1782: replace TupleTypeSignature::inner_size -> Option<u32> with Some(0)
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:304: replace ContractContext::get_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with None
+clarity/src/vm/docs/mod.rs:779: replace get_output_type_string -> String with "xyzzy".into()
+clarity/src/vm/database/structures.rs:163: replace <impl ClaritySerializable for STXBalance>::serialize -> String with "xyzzy".into()
+clarity/src/vm/database/clarity_db.rs:1874: replace ClarityDatabase<'a>::make_key_for_account_balance -> String with String::new()
+clarity/src/vm/analysis/types.rs:190: replace ContractAnalysis::get_defined_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with None
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:308: replace ContractContext::get_map_type -> Option<&(TypeSignature, TypeSignature)> with None
+clarity/src/vm/types/serialization.rs:1175: replace Value::serialize_to_vec -> Vec<u8> with vec![]
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:198: replace ContractContext::get_function_type -> Option<&FunctionType> with None
+clarity/src/vm/database/structures.rs:337: replace STXBalanceSnapshot<'db, 'conn>::transfer_to -> Result<()> with Ok(())
+clarity/src/vm/analysis/errors.rs:287: replace check_arguments_at_least -> Result<(), CheckErrors> with Ok(())
+clarity/src/vm/errors.rs:120: replace <impl PartialEq for Error>::eq -> bool with true
+clarity/src/vm/costs/mod.rs:1120: replace <impl CostOverflowingMath for u64>::cost_overflow_sub -> Result<u64> with Ok(1)
+clarity/src/vm/types/signatures.rs:511: replace TypeSignature::is_response_type -> bool with true
+clarity/src/vm/ast/traits_resolver/mod.rs:182: replace TraitsResolver::try_parse_pre_expr -> Option<(DefineFunctions, Vec<&'a PreSymbolicExpression>)> with None
+clarity/src/vm/test_util/mod.rs:88: replace is_err_code_i128 -> bool with false
+clarity/src/vm/contexts.rs:1825: replace ContractContext::lookup_trait_definition -> Option<BTreeMap<ClarityName, FunctionSignature>> with Some(BTreeMap::new())
+clarity/src/vm/database/clarity_store.rs:295: replace <impl ClarityBackingStore for MemoryBackingStore>::get -> Option<String> with None
+clarity/src/vm/types/mod.rs:1341: replace StandardPrincipalData::to_address -> String with String::new()
+clarity/src/vm/representations.rs:594: replace SymbolicExpression::match_literal_value -> Option<&Value> with None
+clarity/src/vm/contexts.rs:1943: replace CallStack::contains -> bool with false
+clarity/src/vm/types/signatures.rs:1782: replace TupleTypeSignature::inner_size -> Option<u32> with None
+clarity/src/vm/types/mod.rs:1233: replace UTF8Data::append -> Result<()> with Ok(())
+clarity/src/vm/costs/mod.rs:70: replace runtime_cost -> Result<()> with Ok(())
+clarity/src/vm/database/key_value_wrapper.rs:425: replace RollbackWrapper<'a>::get_block_header_hash -> Option<StacksBlockId> with None
+clarity/src/vm/database/clarity_db.rs:537: replace ClarityDatabase<'a>::make_metadata_key -> String with String::new()
+clarity/src/vm/functions/mod.rs:692: replace parse_eval_bindings -> Result<Vec<(ClarityName, Value)>> with Ok(vec![])
+clarity/src/vm/analysis/analysis_db.rs:106: replace AnalysisDatabase<'a>::load_contract -> Option<ContractAnalysis> with None
+clarity/src/vm/types/mod.rs:1186: replace BuffData::append -> Result<()> with Ok(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:102: replace TraitContext::get_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with None
+clarity/src/vm/mod.rs:353: replace is_reserved -> bool with true
+clarity/src/vm/database/sqlite.rs:50: replace sqlite_get -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/database/key_value_wrapper.rs:532: replace RollbackWrapper<'a>::has_metadata_entry -> bool with true
+clarity/src/vm/database/key_value_wrapper.rs:402: replace RollbackWrapper<'a>::get_value -> Result<Option<ValueResult>, SerializationError> with Ok(None)
+clarity/src/vm/database/structures.rs:767: replace STXBalance::effective_unlock_height -> u64 with 1
+clarity/src/vm/types/mod.rs:1035: replace Value::expect_u128 -> u128 with 1
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:525: replace clarity2_check_functions_compatible -> bool with false
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:195: replace ContractContext::get_nft_type -> Option<&TypeSignature> with None
+clarity/src/vm/test_util/mod.rs:71: replace is_committed -> bool with false
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:525: replace clarity2_check_functions_compatible -> bool with true
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:236: replace ContractInterfaceFunctionArg::from_function_args -> Vec<ContractInterfaceFunctionArg> with vec![]
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:50: replace TraitContext::is_name_used -> bool with true
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1044: replace TypeChecker<'a, 'b>::get_function_type -> Option<FunctionType> with None
+clarity/src/vm/types/serialization.rs:204: replace <impl ClarityValueSerializable for StandardPrincipalData>::serialize_write -> std::io::Result<()> with Ok(())
+clarity/src/vm/docs/mod.rs:728: replace get_input_type_string -> String with String::new()
+clarity/src/vm/database/clarity_db.rs:1485: replace ClarityDatabase<'a>::data_map_entry_exists -> Result<bool> with Ok(false)
+clarity/src/vm/types/mod.rs:1080: replace Value::expect_buff_padded -> Vec<u8> with vec![1]
+clarity/src/vm/types/serialization.rs:1301: replace <impl ClaritySerializable for u32>::serialize -> String with "xyzzy".into()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:36: replace is_separator -> bool with false
+clarity/src/vm/types/signatures.rs:341: replace <impl From for u32>::from -> u32 with 0
+clarity/src/vm/database/clarity_store.rs:331: replace <impl ClarityBackingStore for MemoryBackingStore>::put_all with ()
+clarity/src/vm/tests/mod.rs:164: replace test_only_mainnet_to_chain_id -> u32 with 0
+clarity/src/vm/types/mod.rs:1347: replace <impl Display for StandardPrincipalData>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/types/mod.rs:247: replace SequenceData::atom_values -> Vec<SymbolicExpression> with vec![]
+clarity/src/vm/contexts.rs:1611: replace GlobalContext<'a, 'hooks>::log_asset_transfer with ()
+clarity/src/vm/types/mod.rs:1035: replace Value::expect_u128 -> u128 with 0
+clarity/src/vm/types/signatures.rs:1722: replace ListTypeData::inner_size -> Option<u32> with Some(1)
+clarity/src/vm/database/clarity_db.rs:550: replace ClarityDatabase<'a>::make_key_for_quad -> String with String::new()
+clarity/src/vm/representations.rs:208: replace <impl SymbolicExpressionCommon for SymbolicExpression>::set_id with ()
+clarity/src/vm/functions/boolean.rs:27: replace type_force_bool -> Result<bool> with Ok(false)
+clarity/src/vm/types/mod.rs:619: replace <impl SequencedValue for ListData>::drained_items -> Vec<Value> with vec![]
+clarity/src/vm/representations.rs:620: replace <impl Display for SymbolicExpression>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/types/mod.rs:637: replace <impl SequencedValue for BuffData>::drained_items -> Vec<u8> with vec![1]
+clarity/src/vm/database/clarity_db.rs:1744: replace ClarityDatabase<'a>::set_ft_balance -> Result<()> with Ok(())
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:144: replace ArithmeticOnlyChecker<'a>::check_variables_allowed -> Result<(), Error> with Ok(())
+clarity/src/vm/types/mod.rs:657: replace <impl SequencedValue for ASCIIData>::drained_items -> Vec<u8> with vec![0]
+clarity/src/vm/database/key_value_wrapper.rs:444: replace RollbackWrapper<'a>::insert_metadata with ()
+clarity/src/vm/database/structures.rs:396: replace STXBalanceSnapshot<'db, 'conn>::can_transfer -> bool with true
+clarity/src/vm/types/mod.rs:1354: replace <impl Debug for StandardPrincipalData>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:937: replace ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height -> Option<(Vec<TupleData>, u128)> with Some((vec![], 0))
+clarity/src/vm/types/signatures.rs:1883: replace <impl Display for TypeSignature>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:1664: replace ClarityDatabase<'a>::checked_increase_token_supply -> Result<()> with Ok(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:110: replace TraitContext::into_contract_analysis with ()
+clarity/src/vm/types/mod.rs:1182: replace BuffData::as_slice -> &[u8] with Vec::leak(vec![0])
+clarity/src/vm/analysis/types.rs:163: replace ContractAnalysis::get_public_function_type -> Option<&FunctionType> with None
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:77: replace ArithmeticOnlyChecker<'a>::run -> Result<(), Error> with Ok(())
+clarity/src/vm/types/signatures.rs:1658: replace TypeSignature::inner_size -> Option<u32> with Some(0)
+clarity/src/vm/functions/principals.rs:40: replace version_matches_testnet -> bool with true
+clarity/src/vm/types/mod.rs:265: replace SequenceData::len -> usize with 0
+clarity/src/vm/database/key_value_wrapper.rs:189: replace rollback_lookup_map -> String with String::new()
+clarity/src/vm/database/clarity_db.rs:516: replace ClarityDatabase<'a>::get_value -> Result<Option<ValueResult>> with Ok(None)
+clarity/src/vm/types/serialization.rs:396: replace TypeSignature::max_serialized_size -> Result<u32, CheckErrors> with Ok(1)
+clarity/src/vm/callables.rs:308: replace DefinedFunction::check_trait_expectations -> Result<()> with Ok(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:191: replace ContractContext::ft_exists -> bool with false
+clarity/src/vm/types/mod.rs:1341: replace StandardPrincipalData::to_address -> String with "xyzzy".into()
+clarity/src/vm/contexts.rs:1639: replace GlobalContext<'a, 'hooks>::log_stx_burn -> Result<()> with Ok(())
+clarity/src/vm/database/clarity_db.rs:1760: replace ClarityDatabase<'a>::get_ft_supply -> Result<u128> with Ok(0)
+clarity/src/vm/types/mod.rs:1197: replace ListData::len -> u32 with 1
+clarity/src/vm/types/mod.rs:1080: replace Value::expect_buff_padded -> Vec<u8> with vec![]
+clarity/src/vm/types/mod.rs:1388: replace <impl Display for TraitIdentifier>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/types/signatures.rs:388: replace <impl From for u32>::from -> u32 with 0
+clarity/src/vm/contexts.rs:295: replace AssetMap::add_stx_transfer -> Result<()> with Ok(())
+clarity/src/vm/types/mod.rs:1222: replace ASCIIData::append -> Result<()> with Ok(())
+clarity/src/vm/representations.rs:380: replace PreSymbolicExpression::match_field_identifier -> Option<&TraitIdentifier> with None
+clarity/src/vm/types/signatures.rs:1658: replace TypeSignature::inner_size -> Option<u32> with None
+clarity/src/vm/types/signatures.rs:515: replace TypeSignature::is_no_type -> bool with false
+clarity/src/vm/database/clarity_db.rs:1290: replace ClarityDatabase<'a>::make_key_for_data_map_entry -> String with "xyzzy".into()
+clarity/src/vm/analysis/types.rs:159: replace ContractAnalysis::add_implemented_trait with ()
+clarity/src/vm/database/structures.rs:163: replace <impl ClaritySerializable for STXBalance>::serialize -> String with String::new()
+clarity/src/vm/types/mod.rs:351: replace SequenceData::contains -> Result<Option<usize>> with Ok(Some(0))
+clarity/src/vm/types/serialization.rs:1301: replace <impl ClaritySerializable for u32>::serialize -> String with String::new()
+clarity/src/vm/analysis/errors.rs:319: replace <impl DiagnosableError for CheckErrors>::message -> String with String::new()
+clarity/src/vm/contexts.rs:408: replace AssetMap::to_table -> HashMap<PrincipalData, HashMap<AssetIdentifier, AssetMapEntry>> with HashMap::new()
+clarity/src/vm/ast/definition_sorter/mod.rs:488: replace GraphWalker::get_cycling_dependencies -> Option<Vec<usize>> with Some(vec![1])
+clarity/src/vm/ast/parser/v2/mod.rs:171: replace Parser<'a>::ignore_whitespace -> bool with false
+clarity/src/vm/representations.rs:570: replace SymbolicExpression::match_list -> Option<&[SymbolicExpression]> with None
+clarity/src/vm/docs/mod.rs:779: replace get_output_type_string -> String with String::new()
+clarity/src/vm/analysis/types.rs:131: replace ContractAnalysis::add_read_only_function with ()
+clarity/src/vm/contexts.rs:687: replace OwnedEnvironment<'a, 'hooks>::initialize_contract -> Result<((), AssetMap, Vec<StacksTransactionEvent>)> with Ok(((), Default::default(), vec![]))
+clarity/src/vm/ast/definition_sorter/mod.rs:421: replace Graph::get_node_descendants -> Vec<usize> with vec![]
+clarity/src/vm/types/mod.rs:875: replace Value::depth -> u8 with 0
+clarity/src/vm/database/clarity_db.rs:601: replace ClarityDatabase<'a>::insert_metadata with ()
+clarity/src/vm/types/mod.rs:533: replace SequenceData::is_list -> bool with false
+clarity/src/vm/analysis/types.rs:195: replace ContractAnalysis::canonicalize_types with ()
+clarity/src/vm/types/mod.rs:754: replace BlockInfoProperty::lookup_by_name_at_version -> Option<BlockInfoProperty> with None
+clarity/src/vm/types/signatures.rs:865: replace TupleTypeSignature::admits -> Result<bool> with Ok(true)
+clarity/src/vm/types/signatures.rs:1923: replace <impl Display for StringUTF8Length>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/types/serialization.rs:1311: replace <impl ClarityDeserializable for u32>::deserialize -> Self with Default::default()
+clarity/src/vm/database/sqlite.rs:133: replace SqliteConnection::get_metadata -> Option<String> with Some(String::new())
+clarity/src/vm/representations.rs:364: replace PreSymbolicExpression::match_atom -> Option<&ClarityName> with None
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:191: replace ContractContext::ft_exists -> bool with true
+clarity/src/vm/callables.rs:343: replace DefinedFunction::is_public -> bool with true
+clarity/src/vm/functions/define.rs:291: replace DefineFunctionsParsed<'a>::try_parse -> std::result::Result<Option<DefineFunctionsParsed<'a>>, CheckErrors> with Ok(None)
+clarity/src/vm/types/signatures.rs:388: replace <impl From for u32>::from -> u32 with 1
+clarity/src/vm/analysis/types.rs:155: replace ContractAnalysis::add_defined_trait with ()
+clarity/src/vm/types/mod.rs:1274: replace <impl Display for Value>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:488: replace GraphWalker::get_cycling_dependencies -> Option<Vec<usize>> with Some(vec![])
+clarity/src/vm/ast/parser/v1.rs:499: replace handle_expression with ()
+clarity/src/vm/ast/parser/v2/mod.rs:171: replace Parser<'a>::ignore_whitespace -> bool with true
+clarity/src/vm/types/mod.rs:1108: replace Value::expect_optional -> Option<Value> with None
+clarity/src/vm/types/signatures.rs:1748: replace TupleTypeSignature::type_size -> Option<u32> with None
+clarity/src/vm/representations.rs:211: replace <impl SymbolicExpressionCommon for SymbolicExpression>::match_list_mut -> Option<&mut[SymbolicExpression]> with None
+clarity/src/vm/ast/types.rs:102: replace <impl Iterator for PreExpressionsDrain>::next -> Option<PreSymbolicExpression> with None
+clarity/src/vm/ast/definition_sorter/mod.rs:470: replace GraphWalker::sort_dependencies_recursion with ()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:164: replace ContractContext::is_contract -> bool with true
+clarity/src/vm/analysis/type_checker/contexts.rs:129: replace TypingContext<'a>::lookup_trait_reference_type -> Option<&TraitIdentifier> with None
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:165: replace ArithmeticOnlyChecker<'a>::try_native_function_check -> Option<Result<(), Error>> with None
+clarity/src/vm/database/clarity_store.rs:187: replace <impl ClaritySerializable for ContractCommitment>::serialize -> String with String::new()
+clarity/src/vm/functions/options.rs:44: replace inner_unwrap_err -> Result<Option<Value>> with Ok(None)
+clarity/src/vm/analysis/analysis_db.rs:66: replace AnalysisDatabase<'a>::roll_back with ()
+clarity/src/vm/functions/mod.rs:212: replace lookup_reserved_functions -> Option<CallableType> with None
+clarity/src/vm/contexts.rs:771: replace OwnedEnvironment<'a, 'hooks>::stx_faucet with ()
+clarity/src/vm/types/signatures.rs:848: replace TupleTypeSignature::len -> u64 with 1
+clarity/src/vm/types/mod.rs:351: replace SequenceData::contains -> Result<Option<usize>> with Ok(Some(1))
+clarity/src/vm/types/mod.rs:1262: replace <impl Display for BuffData>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/test_util/mod.rs:80: replace is_err_code -> bool with false
+clarity/src/vm/types/signatures.rs:394: replace <impl From for u32>::from -> u32 with 0
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:535: replace TypeChecker<'a, 'b>::get_function_type -> Option<FunctionType> with None
+clarity/src/vm/types/mod.rs:1182: replace BuffData::as_slice -> &[u8] with Vec::leak(Vec::new())
+clarity/src/vm/contexts.rs:263: replace AssetMap::get_next_stx_amount -> Result<u128> with Ok(1)
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:182: replace ContractContext::get_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with None
+clarity/src/vm/types/signatures.rs:470: replace ListTypeData::reduce_max_len with ()
+clarity/src/vm/database/key_value_wrapper.rs:59: replace rollback_check_pre_bottom_commit -> Vec<(T, String)> with vec![]
+clarity/src/vm/database/clarity_db.rs:937: replace ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height -> Option<(Vec<TupleData>, u128)> with Some((vec![], 1))
+clarity/src/vm/types/mod.rs:1478: replace TupleData::len -> u64 with 1
+clarity/src/vm/types/mod.rs:680: replace <impl SequencedValue for UTF8Data>::drained_items -> Vec<Vec<u8>> with vec![]
+clarity/src/vm/database/clarity_db.rs:620: replace ClarityDatabase<'a>::fetch_metadata -> Result<Option<T>> with Ok(None)
+clarity/src/vm/analysis/errors.rs:303: replace formatted_expected_types -> String with "xyzzy".into()
+clarity/src/vm/database/clarity_db.rs:879: replace ClarityDatabase<'a>::get_sortition_id_for_stacks_tip -> Option<SortitionId> with None
+clarity/src/vm/database/clarity_db.rs:737: replace ClarityDatabase<'a>::get_total_liquid_ustx -> u128 with 1
+clarity/src/vm/functions/options.rs:227: replace is_okay -> Result<bool> with Ok(true)
+clarity/src/vm/database/sqlite.rs:159: replace SqliteConnection::initialize_conn -> Result<()> with Ok(())
+clarity/src/vm/contexts.rs:1833: replace ContractContext::is_name_used -> bool with true
+clarity/src/vm/database/clarity_db.rs:1826: replace ClarityDatabase<'a>::set_nft_owner -> Result<()> with Ok(())
+clarity/src/vm/analysis/types.rs:126: replace ContractAnalysis::add_persisted_variable_type with ()
+clarity/src/vm/types/signatures.rs:1658: replace TypeSignature::inner_size -> Option<u32> with Some(1)
+clarity/src/vm/types/mod.rs:581: replace <impl Display for UTF8Data>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/ast/mod.rs:53: replace parse -> Result<Vec<SymbolicExpression>, Error> with Ok(vec![])
+clarity/src/vm/contexts.rs:1814: replace ContractContext::lookup_variable -> Option<&Value> with None
+clarity/src/vm/contexts.rs:1749: replace GlobalContext<'a, 'hooks>::roll_back with ()
+clarity/src/vm/types/serialization.rs:1183: replace Value::serialize_to_hex -> String with String::new()
+clarity/src/vm/representations.rs:211: replace <impl SymbolicExpressionCommon for SymbolicExpression>::match_list_mut -> Option<&mut[SymbolicExpression]> with Some(Vec::leak(Vec::new()))
+clarity/src/vm/costs/mod.rs:1117: replace <impl CostOverflowingMath for u64>::cost_overflow_add -> Result<u64> with Ok(0)
+clarity/src/vm/representations.rs:348: replace PreSymbolicExpression::match_trait_reference -> Option<&ClarityName> with None
+clarity/src/vm/types/signatures.rs:1551: replace TypeSignature::parse_trait_type_repr -> Result<BTreeMap<ClarityName, FunctionSignature>> with Ok(BTreeMap::new())
+clarity/src/vm/types/signatures.rs:1852: replace <impl Display for TupleTypeSignature>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/representations.rs:396: replace PreSymbolicExpression::match_comment -> Option<&str> with Some("xyzzy")
+clarity/src/vm/functions/mod.rs:672: replace handle_binding_list -> std::result::Result<(), E> with Ok(())
+clarity/src/vm/contexts.rs:1947: replace CallStack::insert with ()
+clarity/src/vm/types/signatures.rs:535: replace TypeSignature::admits_type_v2_0 -> Result<bool> with Ok(true)
+clarity/src/vm/database/clarity_store.rs:187: replace <impl ClaritySerializable for ContractCommitment>::serialize -> String with "xyzzy".into()
+clarity/src/vm/variables.rs:44: replace NativeVariables::lookup_by_name_at_version -> Option<NativeVariables> with None
+clarity/src/vm/representations.rs:396: replace PreSymbolicExpression::match_comment -> Option<&str> with Some("")
+clarity/src/vm/types/signatures.rs:511: replace TypeSignature::is_response_type -> bool with false
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:96: replace ArithmeticOnlyChecker<'a>::check_top_levels -> Result<(), Error> with Ok(())
+clarity/src/vm/types/signatures.rs:524: replace TypeSignature::admits_type -> Result<bool> with Ok(false)
+clarity/src/vm/analysis/type_checker/contexts.rs:65: replace TypeMap::get_type -> Option<&TypeSignature> with None
+clarity/src/vm/contexts.rs:1299: replace Environment<'a, 'b, 'hooks>::initialize_contract_from_ast -> Result<()> with Ok(())
+clarity/src/vm/types/signatures.rs:896: replace TupleTypeSignature::shallow_merge with ()
+clarity/src/vm/database/key_value_wrapper.rs:233: replace RollbackWrapper<'a>::nest with ()
+clarity/src/vm/callables.rs:343: replace DefinedFunction::is_public -> bool with false
+clarity/src/vm/analysis/errors.rs:303: replace formatted_expected_types -> String with String::new()
+clarity/src/vm/contexts.rs:1833: replace ContractContext::is_name_used -> bool with false
+clarity/src/vm/contexts.rs:833: replace OwnedEnvironment<'a, 'hooks>::begin with ()
+clarity/src/vm/database/clarity_db.rs:1851: replace ClarityDatabase<'a>::burn_nft -> Result<()> with Ok(())
+clarity/src/vm/database/clarity_store.rs:307: replace <impl ClarityBackingStore for MemoryBackingStore>::get_block_at_height -> Option<StacksBlockId> with None
+clarity/src/vm/representations.rs:197: replace <impl SymbolicExpressionCommon for PreSymbolicExpression>::match_list_mut -> Option<&mut[PreSymbolicExpression]> with None
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:333: replace ContractInterfaceVariable::from_map -> Vec<ContractInterfaceVariable> with vec![]
+clarity/src/vm/variables.rs:55: replace is_reserved_name -> bool with true
+clarity/src/vm/analysis/types.rs:167: replace ContractAnalysis::get_read_only_function_type -> Option<&FunctionType> with None
+clarity/src/vm/contexts.rs:1848: replace ContractContext::canonicalize_types with ()
+clarity/src/vm/tests/mod.rs:164: replace test_only_mainnet_to_chain_id -> u32 with 1
+clarity/src/vm/types/mod.rs:637: replace <impl SequencedValue for BuffData>::drained_items -> Vec<u8> with vec![]
+clarity/src/vm/database/clarity_store.rs:295: replace <impl ClarityBackingStore for MemoryBackingStore>::get -> Option<String> with Some(String::new())
+clarity/src/vm/types/serialization.rs:1175: replace Value::serialize_to_vec -> Vec<u8> with vec![0]
+clarity/src/vm/costs/mod.rs:1250: replace int_log2 -> Option<u64> with None
+clarity/src/vm/database/structures.rs:332: replace STXBalanceSnapshot<'db, 'conn>::save with ()
+clarity/src/vm/types/mod.rs:680: replace <impl SequencedValue for UTF8Data>::drained_items -> Vec<Vec<u8>> with vec![vec![1]]
+clarity/src/vm/types/mod.rs:1182: replace BuffData::as_slice -> &[u8] with Vec::leak(vec![1])
+clarity/src/vm/callables.rs:363: replace DefinedFunction::canonicalize_types with ()
+clarity/src/vm/analysis/errors.rs:224: replace <impl Display for CheckErrors>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/types/mod.rs:637: replace <impl SequencedValue for BuffData>::drained_items -> Vec<u8> with vec![0]
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:84: replace ContractContext::ft_exists -> bool with true
+clarity/src/vm/database/structures.rs:420: replace STXBalanceSnapshot<'db, 'conn>::set_balance with ()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:194: replace ContractContext::get_persisted_variable_type -> Option<&TypeSignature> with None
+clarity/src/vm/ast/definition_sorter/mod.rs:412: replace Graph::add_node with ()
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:389: replace ContractInterface::serialize -> String with String::new()
+clarity/src/vm/representations.rs:372: replace PreSymbolicExpression::match_list -> Option<&[PreSymbolicExpression]> with Some(Vec::leak(Vec::new()))
+clarity/src/vm/database/structures.rs:892: replace STXBalance::get_available_balance_at_burn_block -> u128 with 1
+clarity/src/vm/costs/mod.rs:1120: replace <impl CostOverflowingMath for u64>::cost_overflow_sub -> Result<u64> with Ok(0)
+clarity/src/vm/database/sqlite.rs:50: replace sqlite_get -> Option<String> with None
+clarity/src/vm/variables.rs:55: replace is_reserved_name -> bool with false
+clarity/src/vm/types/mod.rs:1080: replace Value::expect_buff_padded -> Vec<u8> with vec![0]
+clarity/src/vm/types/signatures.rs:1652: replace TypeSignature::size -> u32 with 0
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:36: replace is_separator -> bool with true
+clarity/src/vm/contexts.rs:1707: replace GlobalContext<'a, 'hooks>::begin_read_only with ()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1156: replace TypeChecker<'a, 'b>::try_native_function_check -> Option<TypeResult> with None
+clarity/src/vm/database/structures.rs:801: replace STXBalance::amount_unlocked -> u128 with 1
+clarity/src/vm/types/mod.rs:1053: replace Value::expect_buff -> Vec<u8> with vec![]
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:389: replace ContractInterface::serialize -> String with "xyzzy".into()
+clarity/src/vm/database/structures.rs:801: replace STXBalance::amount_unlocked -> u128 with 0
+clarity/src/vm/database/sqlite.rs:133: replace SqliteConnection::get_metadata -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/database/sqlite.rs:133: replace SqliteConnection::get_metadata -> Option<String> with None
+clarity/src/vm/types/mod.rs:1053: replace Value::expect_buff -> Vec<u8> with vec![0]
+clarity/src/vm/mod.rs:569: replace execute_v2 -> Result<Option<Value>> with Ok(None)
+clarity/src/vm/types/mod.rs:1197: replace ListData::len -> u32 with 0
+clarity/src/vm/database/sqlite.rs:50: replace sqlite_get -> Option<String> with Some(String::new())
+clarity/src/vm/database/key_value_wrapper.rs:189: replace rollback_lookup_map -> String with "xyzzy".into()
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:174: replace ArithmeticOnlyChecker<'a>::check_native_function -> Result<(), Error> with Ok(())
+clarity/src/vm/callables.rs:331: replace DefinedFunction::is_read_only -> bool with false
+clarity/src/vm/database/clarity_db.rs:678: replace ClarityDatabase<'a>::set_contract_data_size -> Result<()> with Ok(())
+clarity/src/vm/types/signatures.rs:1812: replace parse_name_type_pairs -> Result<Vec<(ClarityName, TypeSignature)>> with Ok(vec![])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:646: replace TypeChecker<'a, 'b>::try_native_function_check -> Option<TypeResult> with None
+clarity/src/vm/analysis/type_checker/contexts.rs:112: replace TypingContext<'a>::add_variable_type with ()
+clarity/src/vm/contexts.rs:349: replace AssetMap::commit_other -> Result<()> with Ok(())
+clarity/src/vm/test_util/mod.rs:65: replace symbols_from_values -> Vec<SymbolicExpression> with vec![]
+clarity/src/vm/types/signatures.rs:519: replace TypeSignature::admits -> Result<bool> with Ok(true)
+clarity/src/vm/database/sqlite.rs:91: replace SqliteConnection::insert_metadata with ()
+clarity/src/vm/types/mod.rs:351: replace SequenceData::contains -> Result<Option<usize>> with Ok(None)
+clarity/src/vm/contexts.rs:1714: replace GlobalContext<'a, 'hooks>::commit -> Result<(Option<AssetMap>, Option<EventBatch>)> with Ok((None, Some(Default::default())))
+clarity/src/vm/database/clarity_db.rs:1719: replace ClarityDatabase<'a>::get_ft_balance -> Result<u128> with Ok(0)
+clarity/src/vm/contexts.rs:1599: replace GlobalContext<'a, 'hooks>::get_asset_map -> &mut AssetMap with Box::leak(Box::new(Default::default()))
+clarity/src/vm/types/signatures.rs:624: replace TypeSignature::admits_type_v2_1 -> Result<bool> with Ok(false)
+clarity/src/vm/types/mod.rs:800: replace <impl PartialEq for TupleData>::eq -> bool with false
+clarity/src/vm/contexts.rs:1962: replace CallStack::remove -> Result<()> with Ok(())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:354: replace ContractInterfaceMap::from_map -> Vec<ContractInterfaceMap> with vec![]
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:186: replace ContractContext::get_map_type -> Option<&(TypeSignature, TypeSignature)> with None
+clarity/src/vm/functions/principals.rs:47: replace version_matches_current_network -> bool with true
+clarity/src/vm/functions/options.rs:220: replace is_some -> Result<bool> with Ok(false)
+clarity/src/vm/representations.rs:197: replace <impl SymbolicExpressionCommon for PreSymbolicExpression>::match_list_mut -> Option<&mut[PreSymbolicExpression]> with Some(Vec::leak(Vec::new()))
+clarity/src/vm/ast/parser/v2/mod.rs:131: replace Parser<'a>::next_token -> Option<PlacedToken> with None
+clarity/src/vm/database/clarity_db.rs:486: replace ClarityDatabase<'a>::put_value_with_size -> Result<u64> with Ok(0)
+clarity/src/vm/contexts.rs:284: replace AssetMap::get_next_amount -> Result<u128> with Ok(1)
+clarity/src/vm/ast/definition_sorter/mod.rs:429: replace Graph::nodes_count -> usize with 1
+clarity/src/vm/types/mod.rs:1205: replace ListData::append -> Result<()> with Ok(())
+clarity/src/vm/analysis/errors.rs:319: replace <impl DiagnosableError for CheckErrors>::message -> String with "xyzzy".into()
+clarity/src/vm/database/sqlite.rs:36: replace sqlite_put with ()
+clarity/src/vm/analysis/types.rs:135: replace ContractAnalysis::add_public_function with ()
+clarity/src/vm/database/sqlite.rs:81: replace SqliteConnection::get -> Option<String> with Some(String::new())
+clarity/src/vm/contexts.rs:1939: replace CallStack::depth -> usize with 0
+clarity/src/vm/contexts.rs:1958: replace CallStack::decr_apply_depth with ()
+clarity/src/vm/types/mod.rs:565: replace <impl Display for ASCIIData>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/sqlite.rs:81: replace SqliteConnection::get -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/types/mod.rs:545: replace <impl Display for CharType>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/types/mod.rs:278: replace SequenceData::element_at -> Option<Value> with None
+clarity/src/vm/errors.rs:120: replace <impl PartialEq for Error>::eq -> bool with false
+clarity/src/vm/costs/mod.rs:1250: replace int_log2 -> Option<u64> with Some(0)
+clarity/src/vm/ast/definition_sorter/mod.rs:416: replace Graph::add_directed_edge with ()
+clarity/src/vm/contexts.rs:1954: replace CallStack::incr_apply_depth with ()
+clarity/src/vm/analysis/type_checker/contexts.rs:97: replace TypingContext<'a>::lookup_variable_type -> Option<&TypeSignature> with None
+clarity/src/vm/ast/definition_sorter/mod.rs:379: replace DefinitionSorter::find_expression_definition -> Option<(ClarityName, u64, &'b PreSymbolicExpression)> with None
+clarity/src/vm/representations.rs:356: replace PreSymbolicExpression::match_atom_value -> Option<&Value> with None
+clarity/src/vm/database/structures.rs:358: replace STXBalanceSnapshot<'db, 'conn>::get_available_balance -> u128 with 1
+clarity/src/vm/ast/definition_sorter/mod.rs:425: replace Graph::has_node_descendants -> bool with false
+clarity/src/vm/types/mod.rs:871: replace Value::size -> u32 with 0
+clarity/src/vm/types/signatures.rs:347: replace <impl From for u32>::from -> u32 with 0
+clarity/src/vm/types/serialization.rs:1198: replace Value::sanitize_value -> Option<(Value, bool)> with None
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:132: replace ArithmeticOnlyChecker<'a>::check_expression -> Result<(), Error> with Ok(())
+clarity/src/vm/types/mod.rs:680: replace <impl SequencedValue for UTF8Data>::drained_items -> Vec<Vec<u8>> with vec![vec![]]
+clarity/src/vm/database/clarity_db.rs:1302: replace ClarityDatabase<'a>::make_key_for_data_map_entry_serialized -> String with "xyzzy".into()
+clarity/src/vm/costs/mod.rs:1250: replace int_log2 -> Option<u64> with Some(1)
+clarity/src/vm/types/mod.rs:463: replace SequenceData::concat -> Result<()> with Ok(())
+clarity/src/vm/analysis/errors.rs:295: replace check_arguments_at_most -> Result<(), CheckErrors> with Ok(())
+clarity/src/vm/analysis/type_checker/contexts.rs:125: replace TypingContext<'a>::add_trait_reference with ()
+clarity/src/vm/functions/mod.rs:197: replace NativeFunctions::lookup_by_name_at_version -> Option<NativeFunctions> with None
+clarity/src/vm/costs/mod.rs:1117: replace <impl CostOverflowingMath for u64>::cost_overflow_add -> Result<u64> with Ok(1)
+clarity/src/vm/types/mod.rs:265: replace SequenceData::len -> usize with 1
+clarity/src/vm/types/serialization.rs:1139: replace Value::serialized_size -> u32 with 1
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:305: replace type_reserved_variable -> Option<TypeSignature> with None
+clarity/src/vm/types/signatures.rs:394: replace <impl From for u32>::from -> u32 with 1
+clarity/src/vm/ast/parser/v2/mod.rs:188: replace Parser<'a>::ignore_whitespace_and_comments -> Vec<PreSymbolicExpression> with vec![]
+clarity/src/vm/types/signatures.rs:857: replace TupleTypeSignature::field_type -> Option<&TypeSignature> with None
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:845: replace type_reserved_variable -> Option<TypeSignature> with None
+clarity/src/vm/representations.rs:578: replace SymbolicExpression::match_atom -> Option<&ClarityName> with None
+clarity/src/vm/types/mod.rs:1547: replace <impl Display for TupleData>::fmt -> fmt::Result with Ok(Default::default())
diff --git a/mutants/clarity/mutants.out/lock.json b/mutation-testing/mutants/clarity/lock.json
similarity index 69%
rename from mutants/clarity/mutants.out/lock.json
rename to mutation-testing/mutants/clarity/lock.json
index d5fceb8673..bbcdf17d83 100644
--- a/mutants/clarity/mutants.out/lock.json
+++ b/mutation-testing/mutants/clarity/lock.json
@@ -1,6 +1,6 @@
 {
   "cargo_mutants_version": "23.11.1",
-  "start_time": "2023-11-27T14:07:14.518556Z",
+  "start_time": "2023-11-28T14:28:05.607024Z",
   "hostname": "asuciu-macbook-pro.local",
   "username": "asuciu"
 }
diff --git a/mutation-testing/mutants/clarity/missed.txt b/mutation-testing/mutants/clarity/missed.txt
new file mode 100644
index 0000000000..a0fc67adf4
--- /dev/null
+++ b/mutation-testing/mutants/clarity/missed.txt
@@ -0,0 +1,634 @@
+clarity/src/vm/database/clarity_db.rs:1038: replace ClarityDatabase<'a>::get_cc_special_cases_handler -> Option<SpecialCaseHandler> with None
+clarity/src/vm/costs/mod.rs:1137: replace ExecutionCost::proportion_largest_dimension -> u64 with 0
+clarity/src/vm/types/signatures.rs:1766: replace TupleTypeSignature::size -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:332: replace <impl BurnStateDB for NullBurnStateDB>::get_burn_block_height -> Option<u32> with Some(0)
+clarity/src/vm/database/clarity_store.rs:231: replace <impl ClarityBackingStore for NullBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with None
+clarity/src/vm/contexts.rs:852: replace OwnedEnvironment<'a, 'hooks>::destruct -> Option<(ClarityDatabase<'a>, LimitedCostTracker)> with None
+clarity/src/vm/database/clarity_db.rs:172: replace <impl HeadersDB for &dyn HeadersDB>::get_burn_block_height_for_block -> Option<u32> with Some(0)
+clarity/src/vm/database/clarity_db.rs:194: replace <impl BurnStateDB for &dyn BurnStateDB>::get_v2_unlock_height -> u32 with 1
+clarity/src/vm/tests/datamaps.rs:25: replace assert_executes with ()
+clarity/src/vm/representations.rs:222: replace PreSymbolicExpression::cons -> PreSymbolicExpression with Default::default()
+clarity/src/vm/database/structures.rs:726: replace STXBalanceSnapshot<'db, 'conn>::unlock_available_tokens_if_any -> u128 with 1
+clarity/src/vm/analysis/errors.rs:217: replace CheckError::set_expressions with ()
+clarity/src/vm/contexts.rs:479: replace AssetMap::get_fungible_tokens -> Option<u128> with None
+clarity/src/vm/database/clarity_db.rs:317: replace <impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_block -> Option<u128> with None
+clarity/src/vm/costs/mod.rs:1006: replace <impl CostTracker for LimitedCostTracker>::drop_memory with ()
+clarity/src/vm/database/clarity_store.rs:227: replace <impl ClarityBackingStore for NullBackingStore>::get -> Option<String> with None
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:95: replace <impl CostTracker for TypeChecker<'_, '_>>::add_cost -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/database/clarity_store.rs:231: replace <impl ClarityBackingStore for NullBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some((String::new(), vec![1]))
+clarity/src/vm/database/clarity_db.rs:343: replace <impl BurnStateDB for NullBurnStateDB>::get_sortition_id_from_consensus_hash -> Option<SortitionId> with None
+clarity/src/vm/costs/mod.rs:1070: replace <impl CostTracker for &mut LimitedCostTracker>::short_circuit_contract_call -> Result<bool> with Ok(true)
+clarity/src/vm/tests/defines.rs:30: replace assert_eq_err with ()
+clarity/src/vm/database/clarity_db.rs:1006: replace ClarityDatabase<'a>::get_stx_btc_ops_processed -> u64 with 0
+clarity/src/vm/database/clarity_db.rs:1951: replace ClarityDatabase<'a>::get_burn_block_height -> Option<u32> with None
+clarity/src/vm/database/clarity_db.rs:716: replace ClarityDatabase<'a>::ustx_liquid_supply_key -> &'static str with "xyzzy"
+clarity/src/vm/coverage.rs:196: replace CoverageReporter::produce_lcov -> std::io::Result<()> with Ok(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:112: replace <impl CostTracker for TypeChecker<'_, '_>>::short_circuit_contract_call -> std::result::Result<bool, CostErrors> with Ok(false)
+clarity/src/vm/costs/mod.rs:104: replace <impl MemoryConsumer for Value>::get_memory_use -> u64 with 0
+clarity/src/vm/test_util/mod.rs:198: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_burn_block_height -> Option<u32> with None
+clarity/src/vm/tests/contracts.rs:890: replace test_factorial_contract with ()
+clarity/src/vm/database/clarity_db.rs:368: replace <impl BurnStateDB for NullBurnStateDB>::get_v1_unlock_height -> u32 with 0
+clarity/src/vm/database/clarity_db.rs:336: replace <impl BurnStateDB for NullBurnStateDB>::get_burn_start_height -> u32 with 0
+clarity/src/vm/contexts.rs:465: replace AssetMap::get_stx_burned_total -> u128 with 1
+clarity/src/vm/analysis/errors.rs:208: replace CheckError::has_expression -> bool with false
+clarity/src/vm/contexts.rs:465: replace AssetMap::get_stx_burned_total -> u128 with 0
+clarity/src/vm/tests/traits.rs:767: replace test_readwrite_violation_dynamic_dispatch with ()
+clarity/src/vm/database/clarity_db.rs:194: replace <impl BurnStateDB for &dyn BurnStateDB>::get_v2_unlock_height -> u32 with 0
+clarity/src/vm/tests/contracts.rs:1079: replace test_cc_stack_depth with ()
+clarity/src/vm/tests/defines.rs:191: replace test_recursive_panic with ()
+clarity/src/vm/database/structures.rs:512: replace STXBalanceSnapshot<'db, 'conn>::extend_lock_v2 with ()
+clarity/src/vm/costs/mod.rs:813: replace LimitedCostTracker::set_total with ()
+clarity/src/vm/costs/mod.rs:152: replace <impl CostTracker for ()>::short_circuit_contract_call -> Result<bool> with Ok(true)
+clarity/src/vm/database/clarity_db.rs:1023: replace ClarityDatabase<'a>::make_microblock_poison_key -> String with "xyzzy".into()
+clarity/src/vm/types/serialization.rs:253: replace PrincipalData::inner_consensus_serialize -> std::io::Result<()> with Ok(())
+clarity/src/vm/database/clarity_db.rs:580: replace ClarityDatabase<'a>::get_contract_src -> Option<String> with Some(String::new())
+clarity/src/vm/database/clarity_db.rs:1072: replace ClarityDatabase<'a>::get_microblock_pubkey_hash_height -> Option<u32> with Some(0)
+clarity/src/vm/database/clarity_db.rs:295: replace <impl HeadersDB for NullHeadersDB>::get_consensus_hash_for_block -> Option<ConsensusHash> with None
+clarity/src/vm/tests/traits.rs:824: replace test_bad_call_with_trait with ()
+clarity/src/vm/database/clarity_store.rs:251: replace <impl ClarityBackingStore for NullBackingStore>::get_current_block_height -> u32 with 0
+clarity/src/vm/contexts.rs:1411: replace Environment<'a, 'b, 'hooks>::push_to_event_batch with ()
+clarity/src/vm/database/clarity_db.rs:169: replace <impl HeadersDB for &dyn HeadersDB>::get_burn_block_time_for_block -> Option<u64> with Some(0)
+clarity/src/vm/costs/mod.rs:959: replace drop_memory with ()
+clarity/src/vm/database/clarity_db.rs:819: replace ClarityDatabase<'a>::get_v2_unlock_height -> u32 with 0
+clarity/src/vm/database/sqlite.rs:72: replace sqlite_has_entry -> bool with false
+clarity/src/vm/mod.rs:545: replace execute_against_version -> Result<Option<Value>> with Ok(None)
+clarity/src/vm/ast/parser/v2/lexer/error.rs:67: replace <impl DiagnosableError for LexerError>::suggestion -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/contexts.rs:1560: replace Environment<'a, 'b, 'hooks>::register_ft_burn_event -> Result<()> with Ok(())
+clarity/src/vm/database/clarity_db.rs:317: replace <impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_block -> Option<u128> with Some(1)
+clarity/src/vm/database/clarity_db.rs:323: replace <impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_winning_block -> Option<u128> with Some(0)
+clarity/src/vm/database/clarity_db.rs:1085: replace ClarityDatabase<'a>::get_microblock_poison_report -> Option<(StandardPrincipalData, u16)> with None
+clarity/src/vm/database/clarity_db.rs:1023: replace ClarityDatabase<'a>::make_microblock_poison_key -> String with String::new()
+clarity/src/vm/contexts.rs:1829: replace ContractContext::is_explicitly_implementing_trait -> bool with false
+clarity/src/vm/costs/mod.rs:1230: replace ExecutionCost::exceeds -> bool with false
+clarity/src/vm/database/structures.rs:979: replace STXBalance::was_locked_by_v3 -> bool with false
+clarity/src/vm/test_util/mod.rs:160: replace <impl HeadersDB for UnitTestHeaderDB>::get_burn_block_height_for_block -> Option<u32> with None
+clarity/src/vm/test_util/mod.rs:80: replace is_err_code -> bool with true
+clarity/src/vm/test_util/mod.rs:186: replace <impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_winning_block -> Option<u128> with None
+clarity/src/vm/database/clarity_db.rs:160: replace <impl HeadersDB for &dyn HeadersDB>::get_burn_header_hash_for_block -> Option<BurnchainHeaderHash> with None
+clarity/src/vm/representations.rs:266: replace PreSymbolicExpression::span -> &Span with &Default::default()
+clarity/src/vm/contexts.rs:893: replace <impl CostTracker for Environment<'_, '_, '_>>::short_circuit_contract_call -> std::result::Result<bool, CostErrors> with Ok(false)
+clarity/src/vm/ast/errors.rs:117: replace ParseError::set_pre_expression with ()
+clarity/src/vm/callables.rs:105: replace cost_input_sized_vararg -> Result<u64> with Ok(0)
+clarity/src/vm/contexts.rs:479: replace AssetMap::get_fungible_tokens -> Option<u128> with Some(0)
+clarity/src/vm/analysis/analysis_db.rs:70: replace AnalysisDatabase<'a>::storage_key -> &'static str with ""
+clarity/src/vm/events.rs:172: replace STXMintEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/costs/mod.rs:1230: replace ExecutionCost::exceeds -> bool with true
+clarity/src/vm/database/clarity_store.rs:231: replace <impl ClarityBackingStore for NullBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some(("xyzzy".into(), vec![0]))
+clarity/src/vm/types/mod.rs:1026: replace Value::expect_ascii -> String with String::new()
+clarity/src/vm/database/clarity_db.rs:984: replace ClarityDatabase<'a>::get_block_reward -> Option<u128> with Some(0)
+clarity/src/vm/database/clarity_db.rs:860: replace ClarityDatabase<'a>::get_block_time -> u64 with 0
+clarity/src/vm/database/structures.rs:949: replace STXBalance::get_total_balance -> u128 with 0
+clarity/src/vm/contexts.rs:912: replace <impl CostTracker for GlobalContext<'_, '_>>::add_memory -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/events.rs:189: replace STXLockEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:164: replace ContractContext::is_contract -> bool with false
+clarity/src/vm/database/clarity_store.rs:177: replace make_contract_hash_key -> String with "xyzzy".into()
+clarity/src/vm/database/clarity_db.rs:732: replace ClarityDatabase<'a>::set_clarity_epoch_version with ()
+clarity/src/vm/database/clarity_db.rs:395: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![], 1))
+clarity/src/vm/contexts.rs:1595: replace GlobalContext<'a, 'hooks>::is_top_level -> bool with true
+clarity/src/vm/contexts.rs:1878: replace LocalContext<'a>::depth -> u16 with 1
+clarity/src/vm/types/serialization.rs:290: replace <impl StacksMessageCodec for PrincipalData>::consensus_serialize -> Result<(), codec_error> with Ok(())
+clarity/src/vm/database/clarity_db.rs:172: replace <impl HeadersDB for &dyn HeadersDB>::get_burn_block_height_for_block -> Option<u32> with None
+clarity/src/vm/test_util/mod.rs:191: replace <impl HeadersDB for UnitTestHeaderDB>::get_tokens_earned_for_block -> Option<u128> with Some(0)
+clarity/src/vm/costs/mod.rs:1053: replace <impl CostTracker for &mut LimitedCostTracker>::add_cost -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/database/key_value_wrapper.rs:96: replace rollback_check_pre_bottom_commit -> Vec<(T, String)> with vec![(Default::default(), "xyzzy".into())]
+clarity/src/vm/database/clarity_db.rs:355: replace <impl BurnStateDB for NullBurnStateDB>::get_stacks_epoch -> Option<StacksEpoch> with None
+clarity/src/vm/tests/traits.rs:1744: replace test_pass_embedded_trait_to_subtrait_list with ()
+clarity/src/vm/database/clarity_db.rs:240: replace <impl BurnStateDB for &dyn BurnStateDB>::get_stacks_epoch_by_epoch_id -> Option<StacksEpoch> with None
+clarity/src/vm/contexts.rs:1525: replace Environment<'a, 'b, 'hooks>::register_ft_transfer_event -> Result<()> with Ok(())
+clarity/src/vm/database/clarity_db.rs:962: replace ClarityDatabase<'a>::get_miner_spend_winner -> u128 with 0
+clarity/src/vm/costs/mod.rs:1201: replace ExecutionCost::add -> Result<()> with Ok(())
+clarity/src/vm/ast/errors.rs:173: replace <impl DiagnosableError for ParseErrors>::message -> String with String::new()
+clarity/src/vm/database/structures.rs:1109: replace STXBalance::can_transfer_at_burn_block -> bool with true
+clarity/src/vm/tests/contracts.rs:160: replace test_contract_caller with ()
+clarity/src/vm/events.rs:315: replace FTMintEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/database/structures.rs:920: replace STXBalance::get_locked_balance_at_burn_block -> (u128, u64) with (1, 1)
+clarity/src/vm/database/key_value_wrapper.rs:96: replace rollback_check_pre_bottom_commit -> Vec<(T, String)> with vec![(Default::default(), String::new())]
+clarity/src/vm/database/clarity_db.rs:1938: replace ClarityDatabase<'a>::get_account_nonce -> u64 with 1
+clarity/src/vm/coverage.rs:104: replace CoverageReporter::executable_lines -> Vec<u32> with vec![1]
+clarity/src/vm/docs/mod.rs:809: replace get_signature -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/database/structures.rs:920: replace STXBalance::get_locked_balance_at_burn_block -> (u128, u64) with (0, 0)
+clarity/src/vm/costs/mod.rs:142: replace <impl CostTracker for ()>::add_memory -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/test_util/mod.rs:160: replace <impl HeadersDB for UnitTestHeaderDB>::get_burn_block_height_for_block -> Option<u32> with Some(0)
+clarity/src/vm/costs/mod.rs:1210: replace ExecutionCost::sub -> Result<()> with Ok(())
+clarity/src/vm/test_util/mod.rs:168: replace <impl HeadersDB for UnitTestHeaderDB>::get_miner_address -> Option<StacksAddress> with None
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:96: replace <impl CostTracker for TypeChecker<'_, '_>>::drop_memory with ()
+clarity/src/vm/costs/mod.rs:164: replace <impl Display for ClarityCostFunctionReference>::fmt -> ::std::fmt::Result with Ok(Default::default())
+clarity/src/vm/tests/contracts.rs:742: replace test_aborts with ()
+clarity/src/vm/database/structures.rs:691: replace STXBalanceSnapshot<'db, 'conn>::accelerate_unlock with ()
+clarity/src/vm/docs/mod.rs:2532: replace make_keyword_reference -> Option<KeywordAPI> with None
+clarity/src/vm/docs/mod.rs:2626: replace make_json_api_reference -> String with String::new()
+clarity/src/vm/database/clarity_db.rs:178: replace <impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_block -> Option<u128> with Some(0)
+clarity/src/vm/contexts.rs:1983: replace CallStack::make_stack_trace -> StackTrace with Default::default()
+clarity/src/vm/database/clarity_db.rs:376: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_3_activation_height -> u32 with 1
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:66: replace <impl Display for Error>::fmt -> std::fmt::Result with Ok(Default::default())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:318: replace ContractInterfaceNonFungibleTokens::from_map -> Vec<Self> with vec![]
+clarity/src/vm/types/mod.rs:533: replace SequenceData::is_list -> bool with true
+clarity/src/vm/contexts.rs:1490: replace Environment<'a, 'b, 'hooks>::register_nft_mint_event -> Result<()> with Ok(())
+clarity/src/vm/database/clarity_store.rs:327: replace <impl ClarityBackingStore for MemoryBackingStore>::get_cc_special_cases_handler -> Option<SpecialCaseHandler> with None
+clarity/src/vm/costs/mod.rs:1070: replace <impl CostTracker for &mut LimitedCostTracker>::short_circuit_contract_call -> Result<bool> with Ok(false)
+clarity/src/vm/tests/traits.rs:1462: replace test_embedded_trait with ()
+clarity/src/vm/tests/defines.rs:58: replace test_accept_options with ()
+clarity/src/vm/database/clarity_db.rs:1878: replace ClarityDatabase<'a>::make_key_for_account_nonce -> String with "xyzzy".into()
+clarity/src/vm/ast/parser/v2/mod.rs:1109: replace parse_collect_diagnostics -> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool) with (vec![], vec![], false)
+clarity/src/vm/test_util/mod.rs:232: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_3_activation_height -> u32 with 0
+clarity/src/vm/database/clarity_db.rs:376: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_3_activation_height -> u32 with 0
+clarity/src/vm/database/key_value_wrapper.rs:96: replace rollback_check_pre_bottom_commit -> Vec<(T, String)> with vec![]
+clarity/src/vm/database/clarity_db.rs:202: replace <impl BurnStateDB for &dyn BurnStateDB>::get_burn_block_height -> Option<u32> with Some(0)
+clarity/src/vm/database/clarity_db.rs:647: replace ClarityDatabase<'a>::load_contract_analysis -> Option<ContractAnalysis> with None
+clarity/src/vm/database/clarity_db.rs:306: replace <impl HeadersDB for NullHeadersDB>::get_burn_block_height_for_block -> Option<u32> with Some(1)
+clarity/src/vm/tests/traits.rs:204: replace test_dynamic_dispatch_intra_contract_call with ()
+clarity/src/vm/test_util/mod.rs:244: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_rejection_fraction -> u64 with 0
+clarity/src/vm/tests/traits.rs:710: replace test_readwrite_dynamic_dispatch with ()
+clarity/src/vm/database/clarity_db.rs:1047: replace ClarityDatabase<'a>::insert_microblock_poison -> Result<()> with Ok(())
+clarity/src/vm/database/clarity_db.rs:1072: replace ClarityDatabase<'a>::get_microblock_pubkey_hash_height -> Option<u32> with None
+clarity/src/vm/costs/mod.rs:152: replace <impl CostTracker for ()>::short_circuit_contract_call -> Result<bool> with Ok(false)
+clarity/src/vm/types/mod.rs:800: replace <impl PartialEq for TupleData>::eq -> bool with true
+clarity/src/vm/ast/parser/v1.rs:108: replace get_lines_at -> Vec<usize> with vec![0]
+clarity/src/vm/ast/parser/v2/lexer/token.rs:82: replace Token::reproduce -> String with "xyzzy".into()
+clarity/src/vm/database/structures.rs:818: replace STXBalance::debit_unlocked_amount with ()
+clarity/src/vm/database/structures.rs:42: replace <impl ClaritySerializable for String>::serialize -> String with String::new()
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:267: replace ArithmeticOnlyChecker<'a>::check_all -> Result<(), Error> with Ok(())
+clarity/src/vm/database/clarity_db.rs:172: replace <impl HeadersDB for &dyn HeadersDB>::get_burn_block_height_for_block -> Option<u32> with Some(1)
+clarity/src/vm/database/clarity_db.rs:229: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_prepare_length -> u32 with 0
+clarity/src/vm/test_util/mod.rs:253: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_sortition_id_from_consensus_hash -> Option<SortitionId> with None
+clarity/src/vm/database/clarity_db.rs:973: replace ClarityDatabase<'a>::get_miner_spend_total -> u128 with 0
+clarity/src/vm/types/signatures.rs:913: replace FunctionSignature::total_type_size -> Result<u64> with Ok(0)
+clarity/src/vm/tests/traits.rs:1963: replace test_let_trait with ()
+clarity/src/vm/costs/mod.rs:1062: replace <impl CostTracker for &mut LimitedCostTracker>::reset_memory with ()
+clarity/src/vm/database/structures.rs:949: replace STXBalance::get_total_balance -> u128 with 1
+clarity/src/vm/events.rs:206: replace STXBurnEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/ast/errors.rs:296: replace <impl DiagnosableError for ParseErrors>::suggestion -> Option<String> with Some(String::new())
+clarity/src/vm/database/clarity_db.rs:237: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_rejection_fraction -> u64 with 0
+clarity/src/vm/types/signatures.rs:902: replace FixedFunction::total_type_size -> Result<u64> with Ok(1)
+clarity/src/vm/contexts.rs:502: replace <impl Display for AssetMap>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:943: replace ClarityDatabase<'a>::get_burnchain_block_height -> Option<u32> with Some(0)
+clarity/src/vm/types/signatures.rs:1748: replace TupleTypeSignature::type_size -> Option<u32> with Some(0)
+clarity/src/vm/tests/traits.rs:1346: replace test_return_trait_with_contract_of with ()
+clarity/src/vm/costs/mod.rs:1059: replace <impl CostTracker for &mut LimitedCostTracker>::drop_memory with ()
+clarity/src/vm/tests/contracts.rs:99: replace test_get_block_info_eval with ()
+clarity/src/vm/database/clarity_db.rs:298: replace <impl HeadersDB for NullHeadersDB>::get_burn_block_time_for_block -> Option<u64> with None
+clarity/src/vm/database/clarity_store.rs:239: replace <impl ClarityBackingStore for NullBackingStore>::get_block_at_height -> Option<StacksBlockId> with None
+clarity/src/vm/errors.rs:114: replace <impl PartialEq for IncomparableError<T>>::eq -> bool with false
+clarity/src/vm/types/signatures.rs:1735: replace ListTypeData::type_size -> Option<u32> with Some(1)
+clarity/src/vm/database/clarity_db.rs:163: replace <impl HeadersDB for &dyn HeadersDB>::get_consensus_hash_for_block -> Option<ConsensusHash> with None
+clarity/src/vm/tests/sequences.rs:1160: replace test_construct_bad_list with ()
+clarity/src/vm/errors.rs:163: replace <impl Error for RuntimeErrorType>::source -> Option<&(dyn error::Error +'static)> with None
+clarity/src/vm/database/key_value_wrapper.rs:261: replace RollbackWrapper<'a>::depth -> usize with 1
+clarity/src/vm/types/mod.rs:274: replace SequenceData::is_empty -> bool with true
+clarity/src/vm/database/structures.rs:386: replace STXBalanceSnapshot<'db, 'conn>::has_unlockable_tokens -> bool with true
+clarity/src/vm/analysis/analysis_db.rs:84: replace AnalysisDatabase<'a>::has_contract -> bool with false
+clarity/src/vm/docs/mod.rs:2626: replace make_json_api_reference -> String with "xyzzy".into()
+clarity/src/vm/test_util/mod.rs:236: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_prepare_length -> u32 with 1
+clarity/src/vm/tests/contracts.rs:458: replace test_simple_naming_system with ()
+clarity/src/vm/database/clarity_store.rs:299: replace <impl ClarityBackingStore for MemoryBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some((String::new(), vec![1]))
+clarity/src/vm/analysis/types.rs:179: replace ContractAnalysis::get_variable_type -> Option<&TypeSignature> with None
+clarity/src/vm/tests/assets.rs:521: replace test_simple_token_system with ()
+clarity/src/vm/types/mod.rs:1559: replace byte_len_of_serialization -> u64 with 0
+clarity/src/vm/representations.rs:511: replace SymbolicExpression::span -> &Span with &Default::default()
+clarity/src/vm/database/clarity_db.rs:1072: replace ClarityDatabase<'a>::get_microblock_pubkey_hash_height -> Option<u32> with Some(1)
+clarity/src/vm/database/clarity_db.rs:181: replace <impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_winning_block -> Option<u128> with None
+clarity/src/vm/database/clarity_store.rs:227: replace <impl ClarityBackingStore for NullBackingStore>::get -> Option<String> with Some(String::new())
+clarity/src/vm/types/mod.rs:1301: replace PrincipalData::version -> u8 with 0
+clarity/src/vm/tests/contracts.rs:295: replace test_tx_sponsor with ()
+clarity/src/vm/database/clarity_db.rs:832: replace ClarityDatabase<'a>::get_current_burnchain_block_height -> u32 with 0
+clarity/src/vm/mod.rs:221: replace add_stack_trace with ()
+clarity/src/vm/database/key_value_wrapper.rs:174: replace RollbackWrapperPersistedLog::nest with ()
+clarity/src/vm/types/mod.rs:1044: replace Value::expect_i128 -> i128 with 0
+clarity/src/vm/database/clarity_db.rs:384: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_reward_cycle_length -> u32 with 0
+clarity/src/vm/database/clarity_db.rs:388: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_rejection_fraction -> u64 with 1
+clarity/src/vm/types/mod.rs:274: replace SequenceData::is_empty -> bool with false
+clarity/src/vm/database/clarity_store.rs:319: replace <impl ClarityBackingStore for MemoryBackingStore>::get_open_chain_tip_height -> u32 with 0
+clarity/src/vm/test_util/mod.rs:236: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_prepare_length -> u32 with 0
+clarity/src/vm/events.rs:155: replace STXTransferEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/coverage.rs:237: replace <impl EvalHook for CoverageReporter>::will_begin_eval with ()
+clarity/src/vm/types/mod.rs:256: replace SequenceData::element_size -> u32 with 0
+clarity/src/vm/database/clarity_db.rs:233: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_reward_cycle_length -> u32 with 0
+clarity/src/vm/database/sqlite.rs:153: replace SqliteConnection::has_entry -> bool with false
+clarity/src/vm/costs/mod.rs:826: replace LimitedCostTracker::get_memory -> u64 with 0
+clarity/src/vm/contexts.rs:926: replace <impl CostTracker for GlobalContext<'_, '_>>::short_circuit_contract_call -> std::result::Result<bool, CostErrors> with Ok(false)
+clarity/src/vm/tests/traits.rs:2024: replace test_let3_trait with ()
+clarity/src/vm/database/clarity_store.rs:299: replace <impl ClarityBackingStore for MemoryBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some(("xyzzy".into(), vec![0]))
+clarity/src/vm/database/clarity_db.rs:326: replace <impl HeadersDB for NullHeadersDB>::get_tokens_earned_for_block -> Option<u128> with Some(1)
+clarity/src/vm/database/structures.rs:979: replace STXBalance::was_locked_by_v3 -> bool with true
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:50: replace TraitContext::is_name_used -> bool with false
+clarity/src/vm/ast/errors.rs:296: replace <impl DiagnosableError for ParseErrors>::suggestion -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/database/structures.rs:578: replace STXBalanceSnapshot<'db, 'conn>::lock_tokens_v3 with ()
+clarity/src/vm/test_util/mod.rs:247: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_burn_start_height -> u32 with 0
+clarity/src/vm/tests/traits.rs:452: replace test_dynamic_dispatch_including_nested_trait with ()
+clarity/src/vm/ast/parser/v2/lexer/error.rs:67: replace <impl DiagnosableError for LexerError>::suggestion -> Option<String> with None
+clarity/src/vm/database/clarity_db.rs:336: replace <impl BurnStateDB for NullBurnStateDB>::get_burn_start_height -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:580: replace ClarityDatabase<'a>::get_contract_src -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/analysis/errors.rs:208: replace CheckError::has_expression -> bool with true
+clarity/src/vm/types/mod.rs:1374: replace <impl Display for CallableData>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/types/mod.rs:1483: replace TupleData::is_empty -> bool with false
+clarity/src/vm/mod.rs:481: replace execute_on_network -> Result<Option<Value>> with Ok(None)
+clarity/src/vm/types/serialization.rs:1169: replace <impl Write for WriteCounter>::flush -> std::io::Result<()> with Ok(())
+clarity/src/vm/contexts.rs:915: replace <impl CostTracker for GlobalContext<'_, '_>>::drop_memory with ()
+clarity/src/vm/database/clarity_db.rs:306: replace <impl HeadersDB for NullHeadersDB>::get_burn_block_height_for_block -> Option<u32> with Some(0)
+clarity/src/vm/database/clarity_db.rs:314: replace <impl HeadersDB for NullHeadersDB>::get_miner_address -> Option<StacksAddress> with None
+clarity/src/vm/tests/traits.rs:1816: replace test_pass_embedded_trait_to_subtrait_list_option with ()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:90: replace <impl CostTracker for TypeChecker<'_, '_>>::add_cost -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/database/structures.rs:42: replace <impl ClaritySerializable for String>::serialize -> String with "xyzzy".into()
+clarity/src/vm/ast/errors.rs:173: replace <impl DiagnosableError for ParseErrors>::message -> String with "xyzzy".into()
+clarity/src/vm/database/clarity_store.rs:251: replace <impl ClarityBackingStore for NullBackingStore>::get_current_block_height -> u32 with 1
+clarity/src/vm/database/structures.rs:1109: replace STXBalance::can_transfer_at_burn_block -> bool with false
+clarity/src/vm/database/clarity_db.rs:190: replace <impl BurnStateDB for &dyn BurnStateDB>::get_v1_unlock_height -> u32 with 0
+clarity/src/vm/database/clarity_db.rs:213: replace <impl BurnStateDB for &dyn BurnStateDB>::get_burn_start_height -> u32 with 1
+clarity/src/vm/contexts.rs:1988: replace CallStack::make_stack_trace -> StackTrace with Default::default()
+clarity/src/vm/database/clarity_db.rs:323: replace <impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_winning_block -> Option<u128> with None
+clarity/src/vm/database/clarity_db.rs:533: replace ClarityDatabase<'a>::make_key_for_trip -> String with String::new()
+clarity/src/vm/types/signatures.rs:69: replace AssetIdentifier::sugared -> String with "xyzzy".into()
+clarity/src/vm/test_util/mod.rs:149: replace <impl HeadersDB for UnitTestHeaderDB>::get_burn_block_time_for_block -> Option<u64> with Some(1)
+clarity/src/vm/costs/mod.rs:259: replace LimitedCostTracker::contract_call_circuits -> HashMap<(QualifiedContractIdentifier, ClarityName), ClarityCostFunctionReference> with HashMap::new()
+clarity/src/vm/contexts.rs:461: replace AssetMap::get_stx_burned -> Option<u128> with None
+clarity/src/vm/database/clarity_db.rs:659: replace ClarityDatabase<'a>::get_contract_size -> Result<u64> with Ok(0)
+clarity/src/vm/test_util/mod.rs:228: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_v2_unlock_height -> u32 with 0
+clarity/src/vm/types/signatures.rs:913: replace FunctionSignature::total_type_size -> Result<u64> with Ok(1)
+clarity/src/vm/tests/principals.rs:138: replace test_simple_is_standard_mainnet_cases with ()
+clarity/src/vm/database/key_value_wrapper.rs:261: replace RollbackWrapper<'a>::depth -> usize with 0
+clarity/src/vm/database/clarity_db.rs:221: replace <impl BurnStateDB for &dyn BurnStateDB>::get_burn_header_hash -> Option<BurnchainHeaderHash> with None
+clarity/src/vm/analysis/errors.rs:212: replace CheckError::set_expression with ()
+clarity/src/vm/database/clarity_db.rs:175: replace <impl HeadersDB for &dyn HeadersDB>::get_miner_address -> Option<StacksAddress> with None
+clarity/src/vm/database/clarity_db.rs:178: replace <impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_block -> Option<u128> with None
+clarity/src/vm/tests/traits.rs:1232: replace test_return_trait_with_contract_of_wrapped_in_begin with ()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:99: replace <impl CostTracker for TypeChecker<'_, '_>>::reset_memory with ()
+clarity/src/vm/contexts.rs:457: replace AssetMap::get_stx -> Option<u128> with Some(1)
+clarity/src/vm/costs/mod.rs:735: replace TrackerData::load_costs -> Result<()> with Ok(())
+clarity/src/vm/types/signatures.rs:1872: replace <impl Display for AssetIdentifier>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/ast/errors.rs:129: replace <impl Display for ParseError>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:395: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with None
+clarity/src/vm/database/clarity_db.rs:962: replace ClarityDatabase<'a>::get_miner_spend_winner -> u128 with 1
+clarity/src/vm/ast/errors.rs:113: replace ParseError::has_pre_expression -> bool with false
+clarity/src/vm/database/structures.rs:988: replace STXBalance::has_locked_tokens_at_burn_block -> bool with true
+clarity/src/vm/representations.rs:503: replace SymbolicExpression::copy_span with ()
+clarity/src/vm/test_util/mod.rs:220: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_stacks_epoch_by_epoch_id -> Option<StacksEpoch> with None
+clarity/src/vm/database/clarity_db.rs:229: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_prepare_length -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:1031: replace ClarityDatabase<'a>::insert_microblock_pubkey_hash_height -> Result<()> with Ok(())
+clarity/src/vm/coverage.rs:104: replace CoverageReporter::executable_lines -> Vec<u32> with vec![0]
+clarity/src/vm/database/structures.rs:48: replace <impl ClarityDeserializable for String>::deserialize -> String with String::new()
+clarity/src/vm/database/clarity_db.rs:463: replace ClarityDatabase<'a>::put_with_size -> u64 with 1
+clarity/src/vm/types/mod.rs:1201: replace ListData::is_empty -> bool with false
+clarity/src/vm/costs/mod.rs:716: replace LimitedCostTracker::default_cost_contract_for_epoch -> String with String::new()
+clarity/src/vm/database/clarity_db.rs:298: replace <impl HeadersDB for NullHeadersDB>::get_burn_block_time_for_block -> Option<u64> with Some(0)
+clarity/src/vm/tests/traits.rs:1165: replace test_contract_of_no_impl with ()
+clarity/src/vm/database/clarity_store.rs:231: replace <impl ClarityBackingStore for NullBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some(("xyzzy".into(), vec![1]))
+clarity/src/vm/tests/traits.rs:390: replace test_dynamic_dispatch_by_importing_trait with ()
+clarity/src/vm/costs/mod.rs:358: replace store_state_summary -> Result<()> with Ok(())
+clarity/src/vm/test_util/mod.rs:186: replace <impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_winning_block -> Option<u128> with Some(1)
+clarity/src/vm/contracts.rs:57: replace Contract::canonicalize_types with ()
+clarity/src/vm/contexts.rs:479: replace AssetMap::get_fungible_tokens -> Option<u128> with Some(1)
+clarity/src/vm/tests/contracts.rs:685: replace test_simple_contract_call with ()
+clarity/src/vm/database/key_value_wrapper.rs:77: replace rollback_value_check with ()
+clarity/src/vm/database/clarity_store.rs:231: replace <impl ClarityBackingStore for NullBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some((String::new(), vec![0]))
+clarity/src/vm/database/clarity_store.rs:299: replace <impl ClarityBackingStore for MemoryBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with None
+clarity/src/vm/database/clarity_store.rs:247: replace <impl ClarityBackingStore for NullBackingStore>::get_open_chain_tip_height -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:388: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_rejection_fraction -> u64 with 0
+clarity/src/vm/database/clarity_store.rs:323: replace <impl ClarityBackingStore for MemoryBackingStore>::get_current_block_height -> u32 with 1
+clarity/src/vm/database/key_value_wrapper.rs:229: replace RollbackWrapper<'a>::get_cc_special_cases_handler -> Option<SpecialCaseHandler> with None
+clarity/src/vm/database/clarity_db.rs:298: replace <impl HeadersDB for NullHeadersDB>::get_burn_block_time_for_block -> Option<u64> with Some(1)
+clarity/src/vm/database/clarity_db.rs:252: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with None
+clarity/src/vm/database/clarity_db.rs:431: replace ClarityDatabase<'a>::is_stack_empty -> bool with true
+clarity/src/vm/representations.rs:121: replace <impl StacksMessageCodec for ContractName>::consensus_serialize -> Result<(), codec_error> with Ok(())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:307: replace ContractInterfaceFungibleTokens::from_set -> Vec<Self> with vec![]
+clarity/src/vm/database/clarity_store.rs:255: replace <impl ClarityBackingStore for NullBackingStore>::put_all with ()
+clarity/src/vm/contexts.rs:893: replace <impl CostTracker for Environment<'_, '_, '_>>::short_circuit_contract_call -> std::result::Result<bool, CostErrors> with Ok(true)
+clarity/src/vm/test_util/mod.rs:232: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_3_activation_height -> u32 with 1
+clarity/src/vm/ast/parser/v2/mod.rs:167: replace Parser<'a>::skip_to_end with ()
+clarity/src/vm/database/clarity_db.rs:326: replace <impl HeadersDB for NullHeadersDB>::get_tokens_earned_for_block -> Option<u128> with None
+clarity/src/vm/database/structures.rs:463: replace STXBalanceSnapshot<'db, 'conn>::is_v2_locked -> bool with false
+clarity/src/vm/database/clarity_db.rs:943: replace ClarityDatabase<'a>::get_burnchain_block_height -> Option<u32> with Some(1)
+clarity/src/vm/tests/contracts.rs:992: replace test_at_unknown_block with ()
+clarity/src/vm/coverage.rs:104: replace CoverageReporter::executable_lines -> Vec<u32> with vec![]
+clarity/src/vm/types/serialization.rs:102: replace <impl Error for SerializationError>::source -> Option<&(dyn error::Error +'static)> with None
+clarity/src/vm/representations.rs:81: replace <impl StacksMessageCodec for ClarityName>::consensus_serialize -> Result<(), codec_error> with Ok(())
+clarity/src/vm/database/clarity_db.rs:1951: replace ClarityDatabase<'a>::get_burn_block_height -> Option<u32> with Some(0)
+clarity/src/vm/test_util/mod.rs:263: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![], 1))
+clarity/src/vm/database/clarity_store.rs:227: replace <impl ClarityBackingStore for NullBackingStore>::get -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/test_util/mod.rs:228: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_v2_unlock_height -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:384: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_reward_cycle_length -> u32 with 1
+clarity/src/vm/tests/traits.rs:89: replace test_dynamic_dispatch_pass_trait_nested_in_let with ()
+clarity/src/vm/errors.rs:114: replace <impl PartialEq for IncomparableError<T>>::eq -> bool with true
+clarity/src/vm/callables.rs:370: replace DefinedFunction::get_span -> Span with Default::default()
+clarity/src/vm/database/clarity_store.rs:177: replace make_contract_hash_key -> String with String::new()
+clarity/src/vm/database/clarity_db.rs:768: replace ClarityDatabase<'a>::decrement_ustx_liquid_supply -> Result<()> with Ok(())
+clarity/src/vm/contexts.rs:1507: replace Environment<'a, 'b, 'hooks>::register_nft_burn_event -> Result<()> with Ok(())
+clarity/src/vm/database/structures.rs:680: replace STXBalanceSnapshot<'db, 'conn>::is_v3_locked -> bool with false
+clarity/src/vm/database/clarity_db.rs:592: replace ClarityDatabase<'a>::set_metadata with ()
+clarity/src/vm/database/clarity_db.rs:213: replace <impl BurnStateDB for &dyn BurnStateDB>::get_burn_start_height -> u32 with 0
+clarity/src/vm/analysis/errors.rs:443: replace <impl DiagnosableError for CheckErrors>::suggestion -> Option<String> with None
+clarity/src/vm/costs/mod.rs:282: replace <impl Debug for LimitedCostTracker>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:463: replace ClarityDatabase<'a>::put_with_size -> u64 with 0
+clarity/src/vm/types/mod.rs:1268: replace <impl Debug for BuffData>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:108: replace get_lines_at -> Vec<usize> with vec![]
+clarity/src/vm/representations.rs:388: replace PreSymbolicExpression::match_placeholder -> Option<&str> with Some("xyzzy")
+clarity/src/vm/database/clarity_db.rs:323: replace <impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_winning_block -> Option<u128> with Some(1)
+clarity/src/vm/database/clarity_db.rs:184: replace <impl HeadersDB for &dyn HeadersDB>::get_tokens_earned_for_block -> Option<u128> with Some(0)
+clarity/src/vm/database/structures.rs:971: replace STXBalance::was_locked_by_v1 -> bool with true
+clarity/src/vm/tests/traits.rs:1036: replace test_dynamic_dispatch_pass_literal_principal_as_trait_in_user_defined_functions with ()
+clarity/src/vm/database/clarity_db.rs:1878: replace ClarityDatabase<'a>::make_key_for_account_nonce -> String with String::new()
+clarity/src/vm/costs/mod.rs:934: replace add_cost -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/test_util/mod.rs:125: replace <impl HeadersDB for UnitTestHeaderDB>::get_burn_header_hash_for_block -> Option<BurnchainHeaderHash> with None
+clarity/src/vm/contexts.rs:1429: replace Environment<'a, 'b, 'hooks>::register_print_event -> Result<()> with Ok(())
+clarity/src/vm/contexts.rs:1445: replace Environment<'a, 'b, 'hooks>::register_stx_transfer_event -> Result<()> with Ok(())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:93: replace <impl CostTracker for TypeChecker<'_, '_>>::add_memory -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/coverage.rs:54: replace CoverageReporter::report_eval with ()
+clarity/src/vm/types/mod.rs:1026: replace Value::expect_ascii -> String with "xyzzy".into()
+clarity/src/vm/events.rs:272: replace NFTBurnEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/test_util/mod.rs:244: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_rejection_fraction -> u64 with 1
+clarity/src/vm/types/mod.rs:1044: replace Value::expect_i128 -> i128 with -1
+clarity/src/vm/tests/traits.rs:1397: replace test_pass_trait_to_subtrait with ()
+clarity/src/vm/contexts.rs:457: replace AssetMap::get_stx -> Option<u128> with Some(0)
+clarity/src/vm/database/clarity_db.rs:819: replace ClarityDatabase<'a>::get_v2_unlock_height -> u32 with 1
+clarity/src/vm/database/structures.rs:1047: replace STXBalance::has_unlockable_tokens_at_burn_block -> bool with true
+clarity/src/vm/tests/traits.rs:650: replace test_reentrant_dynamic_dispatch with ()
+clarity/src/vm/database/clarity_db.rs:716: replace ClarityDatabase<'a>::ustx_liquid_supply_key -> &'static str with ""
+clarity/src/vm/ast/parser/v2/mod.rs:1109: replace parse_collect_diagnostics -> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool) with (vec![], vec![], true)
+clarity/src/vm/tests/traits.rs:262: replace test_dynamic_dispatch_by_implementing_imported_trait with ()
+clarity/src/vm/types/signatures.rs:1690: replace TypeSignature::type_size -> Result<u32> with Ok(1)
+clarity/src/vm/representations.rs:238: replace PreSymbolicExpression::set_span with ()
+clarity/src/vm/costs/mod.rs:270: replace LimitedCostTracker::cost_function_references -> HashMap<&'static ClarityCostFunction, ClarityCostFunctionReference> with HashMap::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:98: replace <impl CostTracker for TypeChecker<'_, '_>>::add_memory -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/callables.rs:119: replace <impl Display for FunctionIdentifier>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/structures.rs:975: replace STXBalance::was_locked_by_v2 -> bool with true
+clarity/src/vm/database/clarity_db.rs:984: replace ClarityDatabase<'a>::get_block_reward -> Option<u128> with None
+clarity/src/vm/database/clarity_db.rs:178: replace <impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_block -> Option<u128> with Some(1)
+clarity/src/vm/database/clarity_db.rs:782: replace ClarityDatabase<'a>::is_in_regtest -> bool with true
+clarity/src/vm/version.rs:15: replace <impl Display for ClarityVersion>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/tests/traits.rs:1528: replace test_pass_embedded_trait_to_subtrait_optional with ()
+clarity/src/vm/database/structures.rs:754: replace STXBalance::unlock_height -> u64 with 0
+clarity/src/vm/analysis/errors.rs:262: replace <impl Error for CheckError>::source -> Option<&(dyn error::Error +'static)> with None
+clarity/src/vm/types/mod.rs:1559: replace byte_len_of_serialization -> u64 with 1
+clarity/src/vm/contexts.rs:876: replace <impl CostTracker for Environment<'_, '_, '_>>::add_cost -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/database/clarity_db.rs:659: replace ClarityDatabase<'a>::get_contract_size -> Result<u64> with Ok(1)
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:72: replace ArithmeticOnlyChecker<'a>::check_contract_cost_eligible with ()
+clarity/src/vm/database/clarity_db.rs:1938: replace ClarityDatabase<'a>::get_account_nonce -> u64 with 0
+clarity/src/vm/callables.rs:105: replace cost_input_sized_vararg -> Result<u64> with Ok(1)
+clarity/src/vm/database/sqlite.rs:121: replace SqliteConnection::drop_metadata with ()
+clarity/src/vm/database/clarity_db.rs:317: replace <impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_block -> Option<u128> with Some(0)
+clarity/src/vm/contexts.rs:102: replace AssetMap::to_json -> serde_json::Value with Default::default()
+clarity/src/vm/test_util/mod.rs:191: replace <impl HeadersDB for UnitTestHeaderDB>::get_tokens_earned_for_block -> Option<u128> with Some(1)
+clarity/src/vm/types/mod.rs:1478: replace TupleData::len -> u64 with 0
+clarity/src/vm/database/clarity_db.rs:252: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![], 0))
+clarity/src/vm/clarity.rs:42: replace <impl Error for Error>::cause -> Option<&dyn std::error::Error> with None
+clarity/src/vm/database/sqlite.rs:110: replace SqliteConnection::commit_metadata_to with ()
+clarity/src/vm/database/structures.rs:376: replace STXBalanceSnapshot<'db, 'conn>::has_locked_tokens -> bool with true
+clarity/src/vm/events.rs:332: replace FTBurnEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/mod.rs:96: replace version_string -> String with String::new()
+clarity/src/vm/database/sqlite.rs:192: replace SqliteConnection::check_schema -> Result<()> with Ok(())
+clarity/src/vm/test_util/mod.rs:181: replace <impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_block -> Option<u128> with Some(0)
+clarity/src/vm/database/clarity_db.rs:1011: replace ClarityDatabase<'a>::set_stx_btc_ops_processed with ()
+clarity/src/vm/database/structures.rs:400: replace STXBalanceSnapshot<'db, 'conn>::debit with ()
+clarity/src/vm/database/clarity_db.rs:1882: replace ClarityDatabase<'a>::make_key_for_account_stx_locked -> String with "xyzzy".into()
+clarity/src/vm/database/sqlite.rs:72: replace sqlite_has_entry -> bool with true
+clarity/src/vm/tests/traits.rs:895: replace test_good_call_with_trait with ()
+clarity/src/vm/types/signatures.rs:1929: replace <impl Display for FunctionArg>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/contexts.rs:461: replace AssetMap::get_stx_burned -> Option<u128> with Some(1)
+clarity/src/vm/database/clarity_db.rs:209: replace <impl BurnStateDB for &dyn BurnStateDB>::get_sortition_id_from_consensus_hash -> Option<SortitionId> with None
+clarity/src/vm/clarity.rs:27: replace <impl Display for Error>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:351: replace <impl BurnStateDB for NullBurnStateDB>::get_burn_header_hash -> Option<BurnchainHeaderHash> with None
+clarity/src/vm/test_util/mod.rs:206: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_burn_header_hash -> Option<BurnchainHeaderHash> with None
+clarity/src/vm/database/key_value_wrapper.rs:84: replace rollback_edits_push with ()
+clarity/src/vm/costs/mod.rs:832: replace LimitedCostTracker::get_memory_limit -> u64 with 1
+clarity/src/vm/database/clarity_db.rs:332: replace <impl BurnStateDB for NullBurnStateDB>::get_burn_block_height -> Option<u32> with Some(1)
+clarity/src/vm/tests/traits.rs:2092: replace test_pass_principal_literal_to_trait with ()
+clarity/src/vm/costs/mod.rs:1085: replace <impl Display for ExecutionCost>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/clarity_store.rs:299: replace <impl ClarityBackingStore for MemoryBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some(("xyzzy".into(), vec![1]))
+clarity/src/vm/types/mod.rs:1090: replace Value::expect_bool -> bool with false
+clarity/src/vm/types/mod.rs:794: replace <impl PartialEq for ListData>::eq -> bool with true
+clarity/src/vm/ast/definition_sorter/mod.rs:425: replace Graph::has_node_descendants -> bool with true
+clarity/src/vm/database/clarity_db.rs:169: replace <impl HeadersDB for &dyn HeadersDB>::get_burn_block_time_for_block -> Option<u64> with Some(1)
+clarity/src/vm/database/clarity_db.rs:372: replace <impl BurnStateDB for NullBurnStateDB>::get_v2_unlock_height -> u32 with 0
+clarity/src/vm/representations.rs:388: replace PreSymbolicExpression::match_placeholder -> Option<&str> with Some("")
+clarity/src/vm/contexts.rs:909: replace <impl CostTracker for GlobalContext<'_, '_>>::add_cost -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/contexts.rs:726: replace OwnedEnvironment<'a, 'hooks>::initialize_contract_from_ast -> Result<((), AssetMap, Vec<StacksTransactionEvent>)> with Ok(((), Default::default(), vec![]))
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:60: replace <impl Error for Error>::source -> Option<&(dyn std::error::Error +'static)> with None
+clarity/src/vm/database/key_value_wrapper.rs:532: replace RollbackWrapper<'a>::has_metadata_entry -> bool with false
+clarity/src/vm/ast/parser/v2/lexer/error.rs:36: replace <impl DiagnosableError for LexerError>::message -> String with "xyzzy".into()
+clarity/src/vm/database/clarity_db.rs:380: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_prepare_length -> u32 with 0
+clarity/src/vm/types/signatures.rs:1696: replace TypeSignature::inner_type_size -> Option<u32> with Some(1)
+clarity/src/vm/database/structures.rs:726: replace STXBalanceSnapshot<'db, 'conn>::unlock_available_tokens_if_any -> u128 with 0
+clarity/src/vm/types/serialization.rs:1338: replace <impl Hash for Value>::hash with ()
+clarity/src/vm/database/clarity_db.rs:225: replace <impl BurnStateDB for &dyn BurnStateDB>::get_stacks_epoch -> Option<StacksEpoch> with None
+clarity/src/vm/tests/traits.rs:963: replace test_good_call_2_with_trait with ()
+clarity/src/vm/types/mod.rs:1301: replace PrincipalData::version -> u8 with 1
+clarity/src/vm/representations.rs:610: replace SymbolicExpression::match_field -> Option<&TraitIdentifier> with None
+clarity/src/vm/analysis/errors.rs:443: replace <impl DiagnosableError for CheckErrors>::suggestion -> Option<String> with Some(String::new())
+clarity/src/vm/database/clarity_db.rs:541: replace ClarityDatabase<'a>::clarity_state_epoch_key -> &'static str with ""
+clarity/src/vm/database/clarity_db.rs:431: replace ClarityDatabase<'a>::is_stack_empty -> bool with false
+clarity/src/vm/costs/mod.rs:139: replace <impl CostTracker for ()>::add_cost -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/representations.rs:602: replace SymbolicExpression::match_trait_reference -> Option<&ClarityName> with None
+clarity/src/vm/ast/errors.rs:113: replace ParseError::has_pre_expression -> bool with true
+clarity/src/vm/contexts.rs:461: replace AssetMap::get_stx_burned -> Option<u128> with Some(0)
+clarity/src/vm/database/key_value_wrapper.rs:420: replace RollbackWrapper<'a>::get_current_block_height -> u32 with 1
+clarity/src/vm/types/signatures.rs:69: replace AssetIdentifier::sugared -> String with String::new()
+clarity/src/vm/database/clarity_db.rs:541: replace ClarityDatabase<'a>::clarity_state_epoch_key -> &'static str with "xyzzy"
+clarity/src/vm/tests/traits.rs:147: replace test_dynamic_dispatch_pass_trait with ()
+clarity/src/vm/database/clarity_db.rs:380: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_prepare_length -> u32 with 1
+clarity/src/vm/types/signatures.rs:1735: replace ListTypeData::type_size -> Option<u32> with Some(0)
+clarity/src/vm/database/clarity_db.rs:580: replace ClarityDatabase<'a>::get_contract_src -> Option<String> with None
+clarity/src/vm/database/clarity_store.rs:231: replace <impl ClarityBackingStore for NullBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some(("xyzzy".into(), vec![]))
+clarity/src/vm/test_util/mod.rs:240: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_reward_cycle_length -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:1006: replace ClarityDatabase<'a>::get_stx_btc_ops_processed -> u64 with 1
+clarity/src/vm/contexts.rs:918: replace <impl CostTracker for GlobalContext<'_, '_>>::reset_memory with ()
+clarity/src/vm/database/clarity_db.rs:984: replace ClarityDatabase<'a>::get_block_reward -> Option<u128> with Some(1)
+clarity/src/vm/ast/parser/v2/lexer/error.rs:67: replace <impl DiagnosableError for LexerError>::suggestion -> Option<String> with Some(String::new())
+clarity/src/vm/database/key_value_wrapper.rs:517: replace RollbackWrapper<'a>::has_entry -> bool with false
+clarity/src/vm/database/clarity_db.rs:1882: replace ClarityDatabase<'a>::make_key_for_account_stx_locked -> String with String::new()
+clarity/src/vm/database/clarity_db.rs:372: replace <impl BurnStateDB for NullBurnStateDB>::get_v2_unlock_height -> u32 with 1
+clarity/src/vm/types/signatures.rs:902: replace FixedFunction::total_type_size -> Result<u64> with Ok(0)
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:112: replace <impl CostTracker for TypeChecker<'_, '_>>::short_circuit_contract_call -> std::result::Result<bool, CostErrors> with Ok(true)
+clarity/src/vm/analysis/errors.rs:443: replace <impl DiagnosableError for CheckErrors>::suggestion -> Option<String> with Some("xyzzy".into())
+clarity/src/vm/database/clarity_db.rs:198: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_3_activation_height -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:368: replace <impl BurnStateDB for NullBurnStateDB>::get_v1_unlock_height -> u32 with 1
+clarity/src/vm/contexts.rs:879: replace <impl CostTracker for Environment<'_, '_, '_>>::add_memory -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/database/structures.rs:754: replace STXBalance::unlock_height -> u64 with 1
+clarity/src/vm/test_util/mod.rs:224: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_v1_unlock_height -> u32 with 0
+clarity/src/vm/database/clarity_db.rs:190: replace <impl BurnStateDB for &dyn BurnStateDB>::get_v1_unlock_height -> u32 with 1
+clarity/src/vm/costs/mod.rs:104: replace <impl MemoryConsumer for Value>::get_memory_use -> u64 with 1
+clarity/src/vm/events.rs:41: replace StacksTransactionEvent::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/database/structures.rs:975: replace STXBalance::was_locked_by_v2 -> bool with false
+clarity/src/vm/docs/mod.rs:809: replace get_signature -> Option<String> with None
+clarity/src/vm/representations.rs:388: replace PreSymbolicExpression::match_placeholder -> Option<&str> with None
+clarity/src/vm/test_util/mod.rs:198: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_burn_block_height -> Option<u32> with Some(1)
+clarity/src/vm/analysis/types.rs:147: replace ContractAnalysis::add_fungible_token with ()
+clarity/src/vm/test_util/mod.rs:263: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![], 0))
+clarity/src/vm/analysis/errors.rs:268: replace <impl Error for CheckErrors>::source -> Option<&(dyn error::Error +'static)> with None
+clarity/src/vm/types/mod.rs:1483: replace TupleData::is_empty -> bool with true
+clarity/src/vm/database/clarity_db.rs:233: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_reward_cycle_length -> u32 with 1
+clarity/src/vm/database/structures.rs:386: replace STXBalanceSnapshot<'db, 'conn>::has_unlockable_tokens -> bool with false
+clarity/src/vm/database/clarity_db.rs:271: replace <impl HeadersDB for NullHeadersDB>::get_burn_header_hash_for_block -> Option<BurnchainHeaderHash> with None
+clarity/src/vm/test_util/mod.rs:181: replace <impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_block -> Option<u128> with None
+clarity/src/vm/tests/assets.rs:821: replace test_total_supply with ()
+clarity/src/vm/tests/assets.rs:985: replace test_simple_naming_system with ()
+clarity/src/vm/costs/mod.rs:1153: replace ExecutionCost::proportion_dot_product -> u64 with 1
+clarity/src/vm/tests/traits.rs:1672: replace test_pass_embedded_trait_to_subtrait_err with ()
+clarity/src/vm/costs/mod.rs:303: replace <impl PartialEq for LimitedCostTracker>::eq -> bool with false
+clarity/src/vm/database/structures.rs:641: replace STXBalanceSnapshot<'db, 'conn>::increase_lock_v3 with ()
+clarity/src/vm/database/structures.rs:48: replace <impl ClarityDeserializable for String>::deserialize -> String with "xyzzy".into()
+clarity/src/vm/database/structures.rs:920: replace STXBalance::get_locked_balance_at_burn_block -> (u128, u64) with (1, 0)
+clarity/src/vm/tests/traits.rs:325: replace test_dynamic_dispatch_by_implementing_imported_trait_mul_funcs with ()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:104: replace <impl CostTracker for TypeChecker<'_, '_>>::reset_memory with ()
+clarity/src/vm/database/clarity_db.rs:184: replace <impl HeadersDB for &dyn HeadersDB>::get_tokens_earned_for_block -> Option<u128> with Some(1)
+clarity/src/vm/database/clarity_db.rs:169: replace <impl HeadersDB for &dyn HeadersDB>::get_burn_block_time_for_block -> Option<u64> with None
+clarity/src/vm/database/clarity_db.rs:634: replace ClarityDatabase<'a>::fetch_metadata_manual -> Result<Option<T>> with Ok(None)
+clarity/src/vm/analysis/analysis_db.rs:84: replace AnalysisDatabase<'a>::has_contract -> bool with true
+clarity/src/vm/analysis/types.rs:183: replace ContractAnalysis::get_persisted_variable_type -> Option<&TypeSignature> with None
+clarity/src/vm/database/clarity_db.rs:813: replace ClarityDatabase<'a>::get_pox_3_activation_height -> u32 with 0
+clarity/src/vm/diagnostic.rs:56: replace Diagnostic::add_span with ()
+clarity/src/vm/costs/mod.rs:1153: replace ExecutionCost::proportion_dot_product -> u64 with 0
+clarity/src/vm/test_util/mod.rs:224: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_v1_unlock_height -> u32 with 1
+clarity/src/vm/database/sqlite.rs:153: replace SqliteConnection::has_entry -> bool with true
+clarity/src/vm/database/clarity_db.rs:332: replace <impl BurnStateDB for NullBurnStateDB>::get_burn_block_height -> Option<u32> with None
+clarity/src/vm/contexts.rs:926: replace <impl CostTracker for GlobalContext<'_, '_>>::short_circuit_contract_call -> std::result::Result<bool, CostErrors> with Ok(true)
+clarity/src/vm/contexts.rs:1878: replace LocalContext<'a>::depth -> u16 with 0
+clarity/src/vm/ast/parser/v2/lexer/error.rs:36: replace <impl DiagnosableError for LexerError>::message -> String with String::new()
+clarity/src/vm/types/signatures.rs:139: replace SequenceSubtype::is_list_type -> bool with false
+clarity/src/vm/contexts.rs:457: replace AssetMap::get_stx -> Option<u128> with None
+clarity/src/vm/test_util/mod.rs:135: replace <impl HeadersDB for UnitTestHeaderDB>::get_vrf_seed_for_block -> Option<VRFSeed> with None
+clarity/src/vm/types/signatures.rs:1690: replace TypeSignature::type_size -> Result<u32> with Ok(0)
+clarity/src/vm/database/clarity_db.rs:973: replace ClarityDatabase<'a>::get_miner_spend_total -> u128 with 1
+clarity/src/vm/costs/mod.rs:826: replace LimitedCostTracker::get_memory -> u64 with 1
+clarity/src/vm/types/signatures.rs:853: replace TupleTypeSignature::is_empty -> bool with false
+clarity/src/vm/ast/parser/v1.rs:108: replace get_lines_at -> Vec<usize> with vec![1]
+clarity/src/vm/database/structures.rs:988: replace STXBalance::has_locked_tokens_at_burn_block -> bool with false
+clarity/src/vm/types/serialization.rs:1325: replace <impl StacksMessageCodec for Value>::consensus_serialize -> Result<(), codec_error> with Ok(())
+clarity/src/vm/types/signatures.rs:1766: replace TupleTypeSignature::size -> u32 with 0
+clarity/src/vm/test_util/mod.rs:88: replace is_err_code_i128 -> bool with true
+clarity/src/vm/contexts.rs:856: replace OwnedEnvironment<'a, 'hooks>::add_eval_hook with ()
+clarity/src/vm/types/signatures.rs:1748: replace TupleTypeSignature::type_size -> Option<u32> with Some(1)
+clarity/src/vm/database/clarity_db.rs:181: replace <impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_winning_block -> Option<u128> with Some(1)
+clarity/src/vm/database/clarity_db.rs:184: replace <impl HeadersDB for &dyn HeadersDB>::get_tokens_earned_for_block -> Option<u128> with None
+clarity/src/vm/contexts.rs:1472: replace Environment<'a, 'b, 'hooks>::register_nft_transfer_event -> Result<()> with Ok(())
+clarity/src/vm/database/structures.rs:767: replace STXBalance::effective_unlock_height -> u64 with 0
+clarity/src/vm/docs/contracts.rs:178: replace produce_docs_refs -> BTreeMap<String, ContractRef> with BTreeMap::new()
+clarity/src/vm/ast/errors.rs:296: replace <impl DiagnosableError for ParseErrors>::suggestion -> Option<String> with None
+clarity/src/vm/database/structures.rs:790: replace STXBalance::amount_locked -> u128 with 0
+clarity/src/vm/analysis/analysis_db.rs:70: replace AnalysisDatabase<'a>::storage_key -> &'static str with "xyzzy"
+clarity/src/vm/ast/errors.rs:141: replace <impl Error for ParseError>::source -> Option<&(dyn error::Error +'static)> with None
+clarity/src/vm/types/mod.rs:1044: replace Value::expect_i128 -> i128 with 1
+clarity/src/vm/costs/mod.rs:1012: replace <impl CostTracker for LimitedCostTracker>::reset_memory with ()
+clarity/src/vm/representations.rs:483: replace SymbolicExpression::set_span with ()
+clarity/src/vm/database/clarity_db.rs:281: replace <impl HeadersDB for NullHeadersDB>::get_vrf_seed_for_block -> Option<VRFSeed> with None
+clarity/src/vm/costs/mod.rs:950: replace add_memory -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/database/structures.rs:971: replace STXBalance::was_locked_by_v1 -> bool with false
+clarity/src/vm/test_util/mod.rs:160: replace <impl HeadersDB for UnitTestHeaderDB>::get_burn_block_height_for_block -> Option<u32> with Some(1)
+clarity/src/vm/tests/traits.rs:1891: replace test_pass_embedded_trait_to_subtrait_option_list with ()
+clarity/src/vm/tests/contracts.rs:247: replace tx_sponsor_contract_asserts with ()
+clarity/src/vm/database/clarity_db.rs:237: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_rejection_fraction -> u64 with 1
+clarity/src/vm/tests/traits.rs:536: replace test_dynamic_dispatch_mismatched_args with ()
+clarity/src/vm/analysis/types.rs:175: replace ContractAnalysis::get_map_type -> Option<&(TypeSignature, TypeSignature)> with None
+clarity/src/vm/database/clarity_store.rs:299: replace <impl ClarityBackingStore for MemoryBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some((String::new(), vec![0]))
+clarity/src/vm/database/clarity_db.rs:832: replace ClarityDatabase<'a>::get_current_burnchain_block_height -> u32 with 1
+clarity/src/vm/costs/mod.rs:1219: replace ExecutionCost::multiply -> Result<()> with Ok(())
+clarity/src/vm/costs/mod.rs:303: replace <impl PartialEq for LimitedCostTracker>::eq -> bool with true
+clarity/src/vm/database/clarity_db.rs:1019: replace ClarityDatabase<'a>::make_microblock_pubkey_height_key -> String with String::new()
+clarity/src/vm/database/clarity_store.rs:231: replace <impl ClarityBackingStore for NullBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some((String::new(), vec![]))
+clarity/src/vm/ast/types.rs:63: replace ContractAST::add_implemented_trait with ()
+clarity/src/vm/database/structures.rs:920: replace STXBalance::get_locked_balance_at_burn_block -> (u128, u64) with (0, 1)
+clarity/src/vm/test_util/mod.rs:141: replace <impl HeadersDB for UnitTestHeaderDB>::get_stacks_block_header_hash_for_block -> Option<BlockHeaderHash> with None
+clarity/src/vm/database/clarity_db.rs:802: replace ClarityDatabase<'a>::get_current_block_height -> u32 with 1
+clarity/src/vm/ast/errors.rs:122: replace ParseError::set_pre_expressions with ()
+clarity/src/vm/database/clarity_db.rs:813: replace ClarityDatabase<'a>::get_pox_3_activation_height -> u32 with 1
+clarity/src/vm/tests/traits.rs:34: replace test_dynamic_dispatch_by_defining_trait with ()
+clarity/src/vm/analysis/types.rs:143: replace ContractAnalysis::add_non_fungible_token with ()
+clarity/src/vm/test_util/mod.rs:240: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_reward_cycle_length -> u32 with 0
+clarity/src/vm/errors.rs:157: replace <impl Error for Error>::source -> Option<&(dyn error::Error +'static)> with None
+clarity/src/vm/database/clarity_db.rs:808: replace ClarityDatabase<'a>::get_v1_unlock_height -> u32 with 0
+clarity/src/vm/database/clarity_db.rs:1951: replace ClarityDatabase<'a>::get_burn_block_height -> Option<u32> with Some(1)
+clarity/src/vm/docs/mod.rs:809: replace get_signature -> Option<String> with Some(String::new())
+clarity/src/vm/database/key_value_wrapper.rs:150: replace <impl From for RollbackWrapperPersistedLog>::from -> RollbackWrapperPersistedLog with Default::default()
+clarity/src/vm/database/structures.rs:1047: replace STXBalance::has_unlockable_tokens_at_burn_block -> bool with false
+clarity/src/vm/test_util/mod.rs:210: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_stacks_epoch -> Option<StacksEpoch> with None
+clarity/src/vm/costs/mod.rs:1056: replace <impl CostTracker for &mut LimitedCostTracker>::add_memory -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/database/key_value_wrapper.rs:354: replace RollbackWrapper<'a>::get_with_proof -> Option<(T, Vec<u8>)> with None
+clarity/src/vm/tests/traits.rs:593: replace test_dynamic_dispatch_mismatched_returned with ()
+clarity/src/vm/database/clarity_db.rs:198: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_3_activation_height -> u32 with 0
+clarity/src/vm/test_util/mod.rs:172: replace <impl HeadersDB for UnitTestHeaderDB>::get_consensus_hash_for_block -> Option<ConsensusHash> with None
+clarity/src/vm/types/signatures.rs:1771: replace TupleTypeSignature::max_depth -> u8 with 0
+clarity/src/vm/types/mod.rs:1071: replace Value::expect_list -> Vec<Value> with vec![]
+clarity/src/vm/representations.rs:258: replace PreSymbolicExpression::copy_span with ()
+clarity/src/vm/tests/contracts.rs:369: replace test_fully_qualified_contract_call with ()
+clarity/src/vm/events.rs:223: replace NFTTransferEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:101: replace <impl CostTracker for TypeChecker<'_, '_>>::drop_memory with ()
+clarity/src/vm/database/structures.rs:463: replace STXBalanceSnapshot<'db, 'conn>::is_v2_locked -> bool with true
+clarity/src/vm/costs/mod.rs:832: replace LimitedCostTracker::get_memory_limit -> u64 with 0
+clarity/src/vm/types/signatures.rs:1771: replace TupleTypeSignature::max_depth -> u8 with 1
+clarity/src/vm/types/serialization.rs:78: replace <impl Display for SerializationError>::fmt -> std::fmt::Result with Ok(Default::default())
+clarity/src/vm/tests/assets.rs:935: replace test_overlapping_nfts with ()
+clarity/src/vm/database/structures.rs:538: replace STXBalanceSnapshot<'db, 'conn>::lock_tokens_v2 with ()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:107: replace <impl CostTracker for TypeChecker<'_, '_>>::short_circuit_contract_call -> std::result::Result<bool, CostErrors> with Ok(false)
+clarity/src/vm/events.rs:348: replace SmartContractEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/costs/mod.rs:716: replace LimitedCostTracker::default_cost_contract_for_epoch -> String with "xyzzy".into()
+clarity/src/vm/tests/traits.rs:1600: replace test_pass_embedded_trait_to_subtrait_ok with ()
+clarity/src/vm/types/signatures.rs:139: replace SequenceSubtype::is_list_type -> bool with true
+clarity/src/vm/database/clarity_db.rs:166: replace <impl HeadersDB for &dyn HeadersDB>::get_vrf_seed_for_block -> Option<VRFSeed> with None
+clarity/src/vm/database/clarity_store.rs:247: replace <impl ClarityBackingStore for NullBackingStore>::get_open_chain_tip_height -> u32 with 0
+clarity/src/vm/test_util/mod.rs:191: replace <impl HeadersDB for UnitTestHeaderDB>::get_tokens_earned_for_block -> Option<u128> with None
+clarity/src/vm/database/clarity_db.rs:1886: replace ClarityDatabase<'a>::make_key_for_account_unlock_height -> String with String::new()
+clarity/src/vm/coverage.rs:78: replace CoverageReporter::to_file -> std::io::Result<()> with Ok(())
+clarity/src/vm/tests/traits.rs:1100: replace test_contract_of_value with ()
+clarity/src/vm/database/structures.rs:616: replace STXBalanceSnapshot<'db, 'conn>::extend_lock_v3 with ()
+clarity/src/vm/database/clarity_db.rs:287: replace <impl HeadersDB for NullHeadersDB>::get_stacks_block_header_hash_for_block -> Option<BlockHeaderHash> with None
+clarity/src/vm/database/clarity_db.rs:181: replace <impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_winning_block -> Option<u128> with Some(0)
+clarity/src/vm/contexts.rs:882: replace <impl CostTracker for Environment<'_, '_, '_>>::drop_memory with ()
+clarity/src/vm/representations.rs:464: replace SymbolicExpression::cons -> SymbolicExpression with Default::default()
+clarity/src/vm/test_util/mod.rs:263: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with None
+clarity/src/vm/test_util/mod.rs:181: replace <impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_block -> Option<u128> with Some(1)
+clarity/src/vm/database/clarity_db.rs:699: replace ClarityDatabase<'a>::has_contract -> bool with false
+clarity/src/vm/test_util/mod.rs:186: replace <impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_winning_block -> Option<u128> with Some(0)
+clarity/src/vm/costs/mod.rs:1025: replace <impl CostTracker for LimitedCostTracker>::short_circuit_contract_call -> Result<bool> with Ok(true)
+clarity/src/vm/events.rs:297: replace FTTransferEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/types/signatures.rs:853: replace TupleTypeSignature::is_empty -> bool with true
+clarity/src/vm/tests/assets.rs:138: replace test_native_stx_ops with ()
+clarity/src/vm/database/clarity_db.rs:808: replace ClarityDatabase<'a>::get_v1_unlock_height -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:202: replace <impl BurnStateDB for &dyn BurnStateDB>::get_burn_block_height -> Option<u32> with Some(1)
+clarity/src/vm/contexts.rs:885: replace <impl CostTracker for Environment<'_, '_, '_>>::reset_memory with ()
+clarity/src/vm/costs/mod.rs:89: replace analysis_typecheck_cost -> Result<()> with Ok(())
+clarity/src/vm/database/clarity_db.rs:252: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![], 1))
+clarity/src/vm/types/mod.rs:554: replace <impl Debug for CharType>::fmt -> fmt::Result with Ok(Default::default())
+clarity/src/vm/database/structures.rs:472: replace STXBalanceSnapshot<'db, 'conn>::increase_lock_v2 with ()
+clarity/src/vm/costs/mod.rs:1025: replace <impl CostTracker for LimitedCostTracker>::short_circuit_contract_call -> Result<bool> with Ok(false)
+clarity/src/vm/costs/mod.rs:1196: replace ExecutionCost::add_runtime -> Result<()> with Ok(())
+clarity/src/vm/tests/contracts.rs:1116: replace test_cc_trait_stack_depth with ()
+clarity/src/vm/docs/contracts.rs:69: replace doc_execute -> Result<Option<Value>, vm::Error> with Ok(None)
+clarity/src/vm/database/clarity_db.rs:157: replace <impl HeadersDB for &dyn HeadersDB>::get_stacks_block_header_hash_for_block -> Option<BlockHeaderHash> with None
+clarity/src/vm/database/clarity_db.rs:364: replace <impl BurnStateDB for NullBurnStateDB>::get_stacks_epoch_by_epoch_id -> Option<StacksEpoch> with None
+clarity/src/vm/database/clarity_db.rs:202: replace <impl BurnStateDB for &dyn BurnStateDB>::get_burn_block_height -> Option<u32> with None
+clarity/src/vm/ast/parser/v2/lexer/token.rs:82: replace Token::reproduce -> String with String::new()
+clarity/src/vm/database/clarity_store.rs:299: replace <impl ClarityBackingStore for MemoryBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some((String::new(), vec![]))
+clarity/src/vm/tests/traits.rs:1289: replace test_return_trait_with_contract_of_wrapped_in_let with ()
+clarity/src/vm/costs/mod.rs:1000: replace <impl CostTracker for LimitedCostTracker>::add_memory -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/contexts.rs:1458: replace Environment<'a, 'b, 'hooks>::register_stx_burn_event -> Result<()> with Ok(())
+clarity/src/vm/database/clarity_db.rs:326: replace <impl HeadersDB for NullHeadersDB>::get_tokens_earned_for_block -> Option<u128> with Some(0)
+clarity/src/vm/database/clarity_db.rs:1886: replace ClarityDatabase<'a>::make_key_for_account_unlock_height -> String with "xyzzy".into()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:107: replace <impl CostTracker for TypeChecker<'_, '_>>::short_circuit_contract_call -> std::result::Result<bool, CostErrors> with Ok(true)
+clarity/src/vm/database/clarity_db.rs:1019: replace ClarityDatabase<'a>::make_microblock_pubkey_height_key -> String with "xyzzy".into()
+clarity/src/vm/contexts.rs:1784: replace GlobalContext<'a, 'hooks>::destruct -> Option<(ClarityDatabase<'a>, LimitedCostTracker)> with None
+clarity/src/mod.rs:96: replace version_string -> String with "xyzzy".into()
+clarity/src/vm/test_util/mod.rs:149: replace <impl HeadersDB for UnitTestHeaderDB>::get_burn_block_time_for_block -> Option<u64> with None
+clarity/src/vm/contexts.rs:705: replace OwnedEnvironment<'a, 'hooks>::initialize_versioned_contract -> Result<((), AssetMap, Vec<StacksTransactionEvent>)> with Ok(((), Default::default(), vec![]))
+clarity/src/vm/database/structures.rs:424: replace STXBalanceSnapshot<'db, 'conn>::lock_tokens_v1 with ()
+clarity/src/vm/test_util/mod.rs:149: replace <impl HeadersDB for UnitTestHeaderDB>::get_burn_block_time_for_block -> Option<u64> with Some(0)
+clarity/src/vm/database/structures.rs:376: replace STXBalanceSnapshot<'db, 'conn>::has_locked_tokens -> bool with false
+clarity/src/vm/types/signatures.rs:1696: replace TypeSignature::inner_type_size -> Option<u32> with Some(0)
+clarity/src/vm/contexts.rs:490: replace AssetMap::get_nonfungible_tokens -> Option<&Vec<Value>> with None
+clarity/src/vm/types/mod.rs:1090: replace Value::expect_bool -> bool with true
+clarity/src/vm/database/key_value_wrapper.rs:517: replace RollbackWrapper<'a>::has_entry -> bool with true
+clarity/src/vm/database/clarity_db.rs:1943: replace ClarityDatabase<'a>::set_account_nonce with ()
+clarity/src/vm/test_util/mod.rs:198: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_burn_block_height -> Option<u32> with Some(0)
+clarity/src/vm/database/clarity_db.rs:860: replace ClarityDatabase<'a>::get_block_time -> u64 with 1
+clarity/src/vm/contexts.rs:1543: replace Environment<'a, 'b, 'hooks>::register_ft_mint_event -> Result<()> with Ok(())
+clarity/src/vm/costs/mod.rs:994: replace <impl CostTracker for LimitedCostTracker>::add_cost -> std::result::Result<(), CostErrors> with Ok(())
+clarity/src/vm/database/clarity_db.rs:395: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![], 0))
+clarity/src/vm/events.rs:248: replace NFTMintEventData::json_serialize -> serde_json::Value with Default::default()
+clarity/src/vm/tests/contracts.rs:1018: replace test_as_max_len with ()
+clarity/src/vm/coverage.rs:170: replace CoverageReporter::register_src_file -> std::io::Result<()> with Ok(())
+clarity/src/vm/database/clarity_db.rs:1957: replace ClarityDatabase<'a>::get_stacks_epoch -> Option<StacksEpoch> with None
+clarity/src/vm/types/mod.rs:256: replace SequenceData::element_size -> u32 with 1
+clarity/src/vm/database/clarity_db.rs:533: replace ClarityDatabase<'a>::make_key_for_trip -> String with "xyzzy".into()
+clarity/src/vm/test_util/mod.rs:247: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_burn_start_height -> u32 with 1
+clarity/src/vm/types/mod.rs:1201: replace ListData::is_empty -> bool with true
+clarity/src/vm/database/clarity_store.rs:299: replace <impl ClarityBackingStore for MemoryBackingStore>::get_with_proof -> Option<(String, Vec<u8>)> with Some(("xyzzy".into(), vec![]))
+clarity/src/vm/costs/mod.rs:1137: replace ExecutionCost::proportion_largest_dimension -> u64 with 1
+clarity/src/vm/database/clarity_db.rs:525: replace ClarityDatabase<'a>::get_with_proof -> Option<(T, Vec<u8>)> with None
+clarity/src/vm/database/structures.rs:680: replace STXBalanceSnapshot<'db, 'conn>::is_v3_locked -> bool with true
diff --git a/mutation-testing/mutants/clarity/mutants.json b/mutation-testing/mutants/clarity/mutants.json
new file mode 100644
index 0000000000..783f4d084d
--- /dev/null
+++ b/mutation-testing/mutants/clarity/mutants.json
@@ -0,0 +1,26210 @@
+[
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 265,
+    "function": "RollbackWrapper<'a>::commit",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 376,
+    "function": "CallableType::get_identifier",
+    "return_type": "-> FunctionIdentifier",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 801,
+    "function": "OwnedEnvironment<'a, 'hooks>::eval_raw",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 101,
+    "function": "get_value_or_err",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::from_iter([String::new()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1109,
+    "function": "parse_collect_diagnostics",
+    "return_type": "-> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool)",
+    "replacement": "(vec![Default::default()], vec![], false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 219,
+    "function": "Parser<'a>::handle_open_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 144,
+    "function": "DefinedFunction::execute_apply",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1038,
+    "function": "ClarityDatabase<'a>::get_cc_special_cases_handler",
+    "return_type": "-> Option<SpecialCaseHandler>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1137,
+    "function": "ExecutionCost::proportion_largest_dimension",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 871,
+    "function": "Value::size",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 160,
+    "function": "Lexer<'a>::proceed_through_error",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from_iter([\"xyzzy\".into()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 219,
+    "function": "Parser<'a>::handle_open_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([Some(Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1766,
+    "function": "TupleTypeSignature::size",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 332,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 78,
+    "function": "Lexer<'a>::read_char",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 504,
+    "function": "special_greater",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 111,
+    "function": "Lexer<'a>::report_line_ending",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 115,
+    "function": "DefinitionSorter::probe_for_dependencies",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 271,
+    "function": "AssetMap::get_next_stx_burn_amount",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1093,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![Default::default()]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 231,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 172,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_consensus_hash_for_block",
+    "return_type": "-> Option<ConsensusHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 210,
+    "function": "ContractContext::into_contract_analysis",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1346,
+    "function": "TypeChecker<'a, 'b>::type_check_define_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 852,
+    "function": "OwnedEnvironment<'a, 'hooks>::destruct",
+    "return_type": "-> Option<(ClarityDatabase<'a>, LimitedCostTracker)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 326,
+    "function": "Lexer<'a>::read_integer",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 136,
+    "function": "ContractContext::add_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1415,
+    "function": "<impl From for Value>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 189,
+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 172,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burn_block_height_for_block",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 557,
+    "function": "native_sub",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/contracts.rs",
+    "line": 48,
+    "function": "make_func_ref",
+    "return_type": "-> FunctionRef",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 194,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_v2_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1301,
+    "function": "TypeSignature::list_of",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 740,
+    "function": "TypeChecker<'a, 'b>::type_check_define_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 720,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 47,
+    "function": "I128Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 145,
+    "function": "FunctionType::check_args_2_05",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/mod.rs",
+    "line": 45,
+    "function": "FunctionType::check_args",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 45,
+    "function": "rollback_edits_push",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/boolean.rs",
+    "line": 27,
+    "function": "type_force_bool",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 288,
+    "function": "build_ast_precheck_size",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 222,
+    "function": "PreSymbolicExpression::cons",
+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 296,
+    "function": "check_special_as_max_len",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 201,
+    "function": "TraitsResolver::probe_for_generics",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 726,
+    "function": "STXBalanceSnapshot<'db, 'conn>::unlock_available_tokens_if_any",
+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/datamaps.rs",
+    "line": 25,
+    "function": "assert_executes",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 217,
+    "function": "CheckError::set_expressions",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 479,
+    "function": "check_principal_of",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 270,
+    "function": "LimitedCostTracker::cost_function_references",
+    "return_type": "-> HashMap<&'static ClarityCostFunction, ClarityCostFunctionReference>",
+    "replacement": "HashMap::from_iter([(&Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from_iter([vec![(Default::default(), 0, 0)]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 947,
+    "function": "ClarityDatabase<'a>::get_block_vrf_seed",
+    "return_type": "-> VRFSeed",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 474,
+    "function": "Lexer<'a>::read_utf8_encoding",
+    "return_type": "-> LexResult<Result<String, String>>",
+    "replacement": "LexResult::new(Ok(String::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 186,
+    "function": "ContractContext::check_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 23,
+    "function": "inner_relabel",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::from(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 194,
+    "function": "<impl SymbolicExpressionCommon for PreSymbolicExpression>::set_id",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 479,
+    "function": "AssetMap::get_fungible_tokens",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 785,
+    "function": "clarity2_lookup_trait",
+    "return_type": "-> CheckResult<BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "CheckResult::new(BTreeMap::from_iter([(Default::default(), Default::default())]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 837,
+    "function": "STXBalance::checked_add_unlocked_amount",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 174,
+    "function": "native_string_to_uint",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1870,
+    "function": "ClarityDatabase<'a>::make_key_for_account",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 292,
+    "function": "ContractContext::add_used_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 317,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 377,
+    "function": "native_bitwise_or",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 36,
+    "function": "<impl BuildASTPass for TraitsResolver>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 572,
+    "function": "native_log2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 323,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_current_block_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 189,
+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::from_iter([None])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 495,
+    "function": "RollbackWrapper<'a>::get_metadata_manual",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 462,
+    "function": "special_leq",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 145,
+    "function": "FunctionType::check_args_2_05",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 210,
+    "function": "Lexer<'a>::read_identifier",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 839,
+    "function": "contract_analysis_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/sequences.rs",
+    "line": 120,
+    "function": "special_map",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 326,
+    "function": "load_state_summary",
+    "return_type": "-> Result<CostStateSummary>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1006,
+    "function": "<impl CostTracker for LimitedCostTracker>::drop_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 40,
+    "function": "version_matches_testnet",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 39,
+    "function": "get_simple_native_or_user_define",
+    "return_type": "-> CheckResult<FunctionType>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 546,
+    "function": "TypeChecker<'a, 'b>::type_check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, FixedFunction)>",
+    "replacement": "CheckResult::from((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 172,
+    "function": "ContractContext::add_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 227,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get",
+    "return_type": "-> Option<String>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 86,
+    "function": "TraitContext::add_used_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 95,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::add_cost",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 892,
+    "function": "STXBalance::get_available_balance_at_burn_block",
+    "return_type": "-> u128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 220,
+    "function": "is_some",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 259,
+    "function": "LimitedCostTracker::contract_call_circuits",
+    "return_type": "-> HashMap<(QualifiedContractIdentifier, ClarityName), ClarityCostFunctionReference>",
+    "replacement": "HashMap::from_iter([((Default::default(), Default::default()), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs",
+    "line": 28,
+    "function": "check_special_get_owner",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/diagnostic.rs",
+    "line": 67,
+    "function": "<impl Display for Diagnostic>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 521,
+    "function": "Parser<'a>::read_principal",
+    "return_type": "-> ParseResult<PreSymbolicExpression>",
+    "replacement": "ParseResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 123,
+    "function": "<impl AnalysisPass for TypeChecker<'_, '_>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1760,
+    "function": "ClarityDatabase<'a>::get_ft_supply",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 36,
+    "function": "<impl BuildASTPass for TraitsResolver>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 808,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::from_iter([None])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 2601,
+    "function": "make_all_api_reference",
+    "return_type": "-> ReferenceAPIs",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 231,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((String::new(), vec![1]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 716,
+    "function": "TypeChecker<'a, 'b>::inner_type_check",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 355,
+    "function": "DefinedFunction::get_arguments",
+    "return_type": "-> &Vec<ClarityName>",
+    "replacement": "&vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 53,
+    "function": "check_vary",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 343,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_sortition_id_from_consensus_hash",
+    "return_type": "-> Option<SortitionId>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 172,
+    "function": "ContractContext::add_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 185,
+    "function": "Lexer<'a>::proceed_through_error_string",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 195,
+    "function": "check_special_tuple_cons",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 396,
+    "function": "TypeSignature::max_serialized_size",
+    "return_type": "-> Result<u32, CheckErrors>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 61,
+    "function": "ContractContext::check_name_used",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 168,
+    "function": "ContractContext::check_name_used",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/defines.rs",
+    "line": 30,
+    "function": "assert_eq_err",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 699,
+    "function": "TypedNativeFunction::type_native_function",
+    "return_type": "-> TypedNativeFunction",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1070,
+    "function": "<impl CostTracker for &mut LimitedCostTracker>::short_circuit_contract_call",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 999,
+    "function": "TypeSignature::contract_name_string_ascii_type",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1006,
+    "function": "ClarityDatabase<'a>::get_stx_btc_ops_processed",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1433,
+    "function": "<impl From for PrincipalData>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 58,
+    "function": "ExpressionIdentifier::run_expression_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 88,
+    "function": "ContractContext::get_nft_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1951,
+    "function": "ClarityDatabase<'a>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 58,
+    "function": "ExpressionIdentifier::run_expression_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 269,
+    "function": "ContractContext::add_nft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 357,
+    "function": "DefinitionSorter::probe_for_dependencies_in_wrapped_key_value_pairs",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 281,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_vrf_seed_for_block",
+    "return_type": "-> Option<VRFSeed>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1023,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::new(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 169,
+    "function": "lookup_variable",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 137,
+    "function": "AnalysisDatabase<'a>::get_clarity_version",
+    "return_type": "-> CheckResult<ClarityVersion>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 315,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_open_chain_tip",
+    "return_type": "-> StacksBlockId",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 112,
+    "function": "ReadOnlyChecker<'a, 'b>::check_top_level_expression",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 716,
+    "function": "ClarityDatabase<'a>::ustx_liquid_supply_key",
+    "return_type": "-> &'static str",
+    "replacement": "\"xyzzy\"",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 198,
+    "function": "ContractContext::get_function_type",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 168,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_miner_address",
+    "return_type": "-> Option<StacksAddress>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/coverage.rs",
+    "line": 196,
+    "function": "CoverageReporter::produce_lcov",
+    "return_type": "-> std::io::Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 112,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::short_circuit_contract_call",
+    "return_type": "-> std::result::Result<bool, CostErrors>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 53,
+    "function": "check_vary",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 472,
+    "function": "ClarityDatabase<'a>::get",
+    "return_type": "-> Option<T>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from_iter([vec![(Default::default(), 0, 0)]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 557,
+    "function": "execute",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 210,
+    "function": "Lexer<'a>::read_identifier",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 104,
+    "function": "<impl MemoryConsumer for Value>::get_memory_use",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 182,
+    "function": "SqliteConnection::memory",
+    "return_type": "-> Result<Connection>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 112,
+    "function": "ReadOnlyChecker<'a, 'b>::check_top_level_expression",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/tuples.rs",
+    "line": 79,
+    "function": "tuple_merge",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "return_type": "-> Option<u32>",
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+    "replacement": "()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 185,
+    "function": "Lexer<'a>::proceed_through_error_string",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::new(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "ClarityDatabase<'a>::get_microblock_poison_report",
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+    "replacement": "Some((Default::default(), 1))",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "return_type": "-> (ContractAST, Vec<Diagnostic>, bool)",
+    "replacement": "(Default::default(), vec![Default::default()], false)",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::from(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "TypeSignature::admits_type_v2_0",
+    "return_type": "-> Result<bool>",
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+    "genre": "FnValue"
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+    "package": "clarity",
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+    "line": 465,
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+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "SugarExpander::transform",
+    "return_type": "-> ParseResult<Vec<SymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![Default::default()])",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "genre": "FnValue"
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+  {
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+    "line": 790,
+    "function": "STXBalance::amount_locked",
+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1414,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1398,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
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+    "replacement": "CheckResult::from_iter([(Default::default(), BTreeMap::new())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 104,
+    "function": "ContractAnalysis::replace_contract_cost_tracker",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 441,
+    "function": "ClarityDatabase<'a>::commit",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 324,
+    "function": "DefinitionSorter::probe_for_dependencies_in_define_args",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 208,
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+    "return_type": "-> bool",
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+  {
+    "package": "clarity",
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+    "function": "<impl From for StandardPrincipalData>::from",
+    "return_type": "-> StandardPrincipalData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 1814,
+    "function": "ContractContext::lookup_variable",
+    "return_type": "-> Option<&Value>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 434,
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+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 465,
+    "function": "AssetMap::get_stx_burned_total",
+    "return_type": "-> u128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 65,
+    "function": "DefinitionSorter::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 767,
+    "function": "test_readwrite_violation_dynamic_dispatch",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 194,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_v2_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 160,
+    "function": "Lexer<'a>::proceed_through_error",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::new(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 861,
+    "function": "TupleTypeSignature::get_type_map",
+    "return_type": "-> &BTreeMap<ClarityName, TypeSignature>",
+    "replacement": "&BTreeMap::from_iter([(Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "test_cc_stack_depth",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1372,
+    "function": "TypeChecker<'a, 'b>::type_check_define_ft",
+    "return_type": "-> CheckResult<ClarityName>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 82,
+    "function": "TypingContext<'a>::extend",
+    "return_type": "-> CheckResult<TypingContext>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 485,
+    "function": "check_function_arg_signature",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 191,
+    "function": "handle_define_nonfungible_asset",
+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 512,
+    "function": "STXBalanceSnapshot<'db, 'conn>::extend_lock_v2",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/conversions.rs",
+    "line": 36,
+    "function": "check_special_from_consensus_buff",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 813,
+    "function": "LimitedCostTracker::set_total",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/defines.rs",
+    "line": 191,
+    "function": "test_recursive_panic",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1062,
+    "function": "Parser<'a>::parse_node_or_eof",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([None])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 170,
+    "function": "ReadOnlyChecker<'a, 'b>::check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, bool)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 152,
+    "function": "<impl CostTracker for ()>::short_circuit_contract_call",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 561,
+    "function": "ClarityDatabase<'a>::insert_contract_hash",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/assets.rs",
+    "line": 133,
+    "function": "execute_transaction",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>), Error>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1023,
+    "function": "ClarityDatabase<'a>::make_microblock_poison_key",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 189,
+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::new(Some(BTreeMap::from_iter([(Default::default(), Default::default())])))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 604,
+    "function": "native_bitwise_right_shift",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 58,
+    "function": "AnalysisDatabase<'a>::begin",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 34,
+    "function": "version_matches_mainnet",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 253,
+    "function": "PrincipalData::inner_consensus_serialize",
+    "return_type": "-> std::io::Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 141,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_stacks_block_header_hash_for_block",
+    "return_type": "-> Option<BlockHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 79,
+    "function": "ContractContext::check_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 580,
+    "function": "ClarityDatabase<'a>::get_contract_src",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1072,
+    "function": "ClarityDatabase<'a>::get_microblock_pubkey_hash_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1398,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())]))])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1699,
+    "function": "GlobalContext<'a, 'hooks>::begin",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 824,
+    "function": "test_bad_call_with_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 28,
+    "function": "check",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 295,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_consensus_hash_for_block",
+    "return_type": "-> Option<ConsensusHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 62,
+    "function": "TraitContext::add_defined_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 277,
+    "function": "DefineFunctions::try_parse",
+    "return_type": "-> Option<(DefineFunctions, &[SymbolicExpression])>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 69,
+    "function": "parse_in_epoch",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 766,
+    "function": "TypeChecker<'a, 'b>::type_check_define_ft",
+    "return_type": "-> CheckResult<ClarityName>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 251,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_current_block_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1055,
+    "function": "TypeChecker<'a, 'b>::type_check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, FixedFunction)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 128,
+    "function": "Lexer<'a>::skip_whitespace",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1411,
+    "function": "Environment<'a, 'b, 'hooks>::push_to_event_batch",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+  },
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+  },
+  {
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+    "genre": "FnValue"
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+    "function": "AnalysisDatabase<'a>::get_read_only_function_type",
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+    "replacement": "CheckResult::from(None)",
+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burn_block_time_for_block",
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+    "replacement": "Some(0)",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 433,
+    "function": "Graph::edges_count",
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+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1870,
+    "function": "ClarityDatabase<'a>::make_key_for_account",
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+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
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+    "genre": "FnValue"
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+    "line": 1290,
+    "function": "ClarityDatabase<'a>::make_key_for_data_map_entry",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
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+  {
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+    "genre": "FnValue"
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+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
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+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
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+    "genre": "FnValue"
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+    "replacement": "ParseResult::from(vec![(Default::default(), 1, 0)])",
+    "genre": "FnValue"
+  },
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+    "replacement": "LexResult::from(String::new())",
+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "replacement": "Ok(1)",
+    "genre": "FnValue"
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+    "return_type": "-> Result<BufferLength>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "return_type": "-> Vec<Value>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
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+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
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+    "function": "<impl From for PrincipalData>::from",
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+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
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+    "function": "special_get_balance",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "line": 404,
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+  {
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+    "line": 879,
+    "function": "ClarityDatabase<'a>::get_sortition_id_for_stacks_tip",
+    "return_type": "-> Option<SortitionId>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
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+    "replacement": "ParseResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
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+    "function": "AnalysisDatabase<'a>::commit",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
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+    "return_type": "-> CheckResult<(ClarityName, (TypeSignature, TypeSignature))>",
+    "replacement": "CheckResult::new((Default::default(), (Default::default(), Default::default())))",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 242,
+    "function": "<impl From for CheckError>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
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+    "function": "native_bitwise_and",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 186,
+    "function": "ContractContext::get_map_type",
+    "return_type": "-> Option<&(TypeSignature, TypeSignature)>",
+    "replacement": "Some(&(Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
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+    "line": 67,
+    "function": "<impl DiagnosableError for LexerError>::suggestion",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1560,
+    "function": "Environment<'a, 'b, 'hooks>::register_ft_burn_event",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
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+    "line": 575,
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+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
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+    "function": "parse_cost",
+    "return_type": "-> Result<ExecutionCost>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 317,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
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+    "line": 323,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_winning_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
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+  {
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+    "function": "check_special_delete_entry",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+    "function": "GlobalContext<'a, 'hooks>::is_read_only",
+    "return_type": "-> bool",
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+    "genre": "FnValue"
+  },
+  {
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+    "line": 42,
+    "function": "<impl Error for Error>::cause",
+    "return_type": "-> Option<&dyn std::error::Error>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 333,
+    "function": "ContractInterfaceVariable::from_map",
+    "return_type": "-> Vec<ContractInterfaceVariable>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1714,
+    "function": "GlobalContext<'a, 'hooks>::commit",
+    "return_type": "-> Result<(Option<AssetMap>, Option<EventBatch>)>",
+    "replacement": "Ok((None, None))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 263,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![Default::default()], 0))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1085,
+    "function": "ClarityDatabase<'a>::get_microblock_poison_report",
+    "return_type": "-> Option<(StandardPrincipalData, u16)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1023,
+    "function": "ClarityDatabase<'a>::make_microblock_poison_key",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 899,
+    "function": "TypeChecker<'a, 'b>::track_return_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1829,
+    "function": "ContractContext::is_explicitly_implementing_trait",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 96,
+    "function": "native_buff_to_uint_le",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 516,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 266,
+    "function": "PrincipalData::inner_consensus_deserialize",
+    "return_type": "-> Result<PrincipalData, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1274,
+    "function": "Environment<'a, 'b, 'hooks>::initialize_contract",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1230,
+    "function": "ExecutionCost::exceeds",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 297,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from_iter([1])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 132,
+    "function": "<impl Display for Error>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 48,
+    "function": "<impl BuildASTPass for StackDepthChecker>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/errors.rs",
+    "line": 157,
+    "function": "<impl Error for Error>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 979,
+    "function": "STXBalance::was_locked_by_v3",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 163,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_consensus_hash_for_block",
+    "return_type": "-> Option<ConsensusHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 118,
+    "function": "ContractAnalysis::add_variable_type",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1083,
+    "function": "Parser<'a>::parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 240,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_stacks_epoch_by_epoch_id",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 728,
+    "function": "parse_no_stack_limit",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![Default::default()]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 160,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burn_block_height_for_block",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 80,
+    "function": "is_err_code",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 839,
+    "function": "contract_analysis_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 624,
+    "function": "TypeSignature::admits_type_v2_1",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 186,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_winning_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 234,
+    "function": "apply",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 230,
+    "function": "PreSymbolicExpression::cons",
+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 156,
+    "function": "FunctionType::check_args_2_1",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 160,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burn_header_hash_for_block",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 345,
+    "function": "DefinitionSorter::probe_for_dependencies_in_list_of_wrapped_key_value_pairs",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1889,
+    "function": "LocalContext<'a>::extend",
+    "return_type": "-> Result<LocalContext<'a>>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 227,
+    "function": "ReadOnlyChecker<'a, 'b>::check_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 758,
+    "function": "ClarityDatabase<'a>::increment_ustx_liquid_supply",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 115,
+    "function": "DefinitionSorter::probe_for_dependencies",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1114,
+    "function": "<impl CostOverflowingMath for u64>::cost_overflow_mul",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/mod.rs",
+    "line": 50,
+    "function": "mem_type_check",
+    "return_type": "-> CheckResult<(Option<TypeSignature>, ContractAnalysis)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 266,
+    "function": "PreSymbolicExpression::span",
+    "return_type": "-> &Span",
+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 343,
+    "function": "check_special_match_resp",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 372,
+    "function": "PreSymbolicExpression::match_list",
+    "return_type": "-> Option<&[PreSymbolicExpression]>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 893,
+    "function": "<impl CostTracker for Environment<'_, '_, '_>>::short_circuit_contract_call",
+    "return_type": "-> std::result::Result<bool, CostErrors>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 287,
+    "function": "check_special_set_var",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 546,
+    "function": "special_less",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 476,
+    "function": "ListTypeData::get_max_len",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 117,
+    "function": "ParseError::set_pre_expression",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1023,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 899,
+    "function": "TypeChecker<'a, 'b>::track_return_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 513,
+    "function": "execute_with_parameters",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 105,
+    "function": "cost_input_sized_vararg",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 175,
+    "function": "<impl From for Error>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 479,
+    "function": "AssetMap::get_fungible_tokens",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 785,
+    "function": "clarity2_lookup_trait",
+    "return_type": "-> CheckResult<BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "CheckResult::from_iter([BTreeMap::from_iter([(Default::default(), Default::default())])])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 369,
+    "function": "native_bitwise_xor",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 114,
+    "function": "check_legal_define",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 70,
+    "function": "AnalysisDatabase<'a>::storage_key",
+    "return_type": "-> &'static str",
+    "replacement": "\"\"",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 865,
+    "function": "TupleTypeSignature::admits",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 98,
+    "function": "ContractAnalysis::take_contract_cost_tracker",
+    "return_type": "-> LimitedCostTracker",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 515,
+    "function": "TypeSignature::is_no_type",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 57,
+    "function": "TypeMap::set_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 227,
+    "function": "ReadOnlyChecker<'a, 'b>::check_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 990,
+    "function": "Environment<'a, 'b, 'hooks>::eval_read_only_with_rules",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 172,
+    "function": "STXMintEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 183,
+    "function": "ContractAnalysis::get_persisted_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 291,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::set_block_hash",
+    "return_type": "-> InterpreterResult<StacksBlockId>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 751,
+    "function": "TypeChecker<'a, 'b>::type_check_define_persisted_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 268,
+    "function": "<impl Error for CheckErrors>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1230,
+    "function": "ExecutionCost::exceeds",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 231,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((\"xyzzy\".into(), vec![0]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1062,
+    "function": "Parser<'a>::parse_node_or_eof",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1026,
+    "function": "Value::expect_ascii",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 984,
+    "function": "ClarityDatabase<'a>::get_block_reward",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 860,
+    "function": "ClarityDatabase<'a>::get_block_time",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 949,
+    "function": "STXBalance::get_total_balance",
+    "return_type": "-> u128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 189,
+    "function": "STXLockEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 292,
+    "function": "ContractContext::add_used_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 912,
+    "function": "<impl CostTracker for GlobalContext<'_, '_>>::add_memory",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 369,
+    "function": "DefinitionSorter::probe_for_dependencies_in_key_value_pair",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1627,
+    "function": "TypeSignature::depth",
+    "return_type": "-> u8",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 367,
+    "function": "check_special_element_at",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 164,
+    "function": "ContractContext::is_contract",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 466,
+    "function": "RollbackWrapper<'a>::get_metadata",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from_iter([Some(\"xyzzy\".into())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 177,
+    "function": "make_contract_hash_key",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1175,
+    "function": "Value::serialize_to_vec",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![1]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 369,
+    "function": "eval_all",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 732,
+    "function": "ClarityDatabase<'a>::set_clarity_epoch_version",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 395,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![], 1))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1595,
+    "function": "GlobalContext<'a, 'hooks>::is_top_level",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 436,
+    "function": "ClarityDatabase<'a>::begin",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 320,
+    "function": "ContractContext::get_function_type",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 937,
+    "function": "ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 171,
+    "function": "AnalysisDatabase<'a>::get_read_only_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::new(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 330,
+    "function": "no_type",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 315,
+    "function": "RollbackWrapper<'a>::put",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 153,
+    "function": "build_ast_with_diagnostics",
+    "return_type": "-> (ContractAST, Vec<Diagnostic>, bool)",
+    "replacement": "(Default::default(), vec![], true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1878,
+    "function": "LocalContext<'a>::depth",
+    "return_type": "-> u16",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1446,
+    "function": "TypeSignature::parse_string_ascii_type_repr",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 59,
+    "function": "<impl AnalysisPass for ReadOnlyChecker<'a, 'b>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 539,
+    "function": "check_contract_of",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 488,
+    "function": "GraphWalker::get_cycling_dependencies",
+    "return_type": "-> Option<Vec<usize>>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 516,
+    "function": "SymbolicExpression::span",
+    "return_type": "-> &Span",
+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1408,
+    "function": "ClarityDatabase<'a>::set_entry",
+    "return_type": "-> Result<ValueResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 290,
+    "function": "<impl StacksMessageCodec for PrincipalData>::consensus_serialize",
+    "return_type": "-> Result<(), codec_error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 66,
+    "function": "Lexer<'a>::add_diagnostic",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 870,
+    "function": "STXBalance::canonical_repr_at_block",
+    "return_type": "-> (STXBalance, u128)",
+    "replacement": "(Default::default(), 0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 512,
+    "function": "special_set_entry_v205",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 191,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_tokens_earned_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 172,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burn_block_height_for_block",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1053,
+    "function": "<impl CostTracker for &mut LimitedCostTracker>::add_cost",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 189,
+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::from_iter([Some(BTreeMap::new())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 419,
+    "function": "special_geq",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 353,
+    "function": "is_reserved",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 433,
+    "function": "Graph::edges_count",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::from_iter([0])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 246,
+    "function": "Lexer<'a>::read_trait_identifier",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 490,
+    "function": "special_greater_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 96,
+    "function": "rollback_check_pre_bottom_commit",
+    "return_type": "-> Vec<(T, String)>",
+    "replacement": "vec![(Default::default(), \"xyzzy\".into())]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1627,
+    "function": "TypeSignature::depth",
+    "return_type": "-> u8",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 355,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_stacks_epoch",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 875,
+    "function": "Value::depth",
+    "return_type": "-> u8",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1744,
+    "function": "test_pass_embedded_trait_to_subtrait_list",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 202,
+    "function": "TraitIdentifier::parse",
+    "return_type": "-> Result<(Option<StandardPrincipalData>, ContractName, ClarityName)>",
+    "replacement": "Ok((Some(Default::default()), Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1818,
+    "function": "ContractContext::lookup_function",
+    "return_type": "-> Option<DefinedFunction>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 652,
+    "function": "OwnedEnvironment<'a, 'hooks>::execute_in_env",
+    "return_type": "-> std::result::Result<(A, AssetMap, Vec<StacksTransactionEvent>), E>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 119,
+    "function": "Parser<'a>::add_diagnostic",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 837,
+    "function": "STXBalance::checked_add_unlocked_amount",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 706,
+    "function": "Lexer<'a>::read_token",
+    "return_type": "-> Result<PlacedToken, LexerError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 421,
+    "function": "Graph::get_node_descendants",
+    "return_type": "-> Vec<usize>",
+    "replacement": "vec![0]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 153,
+    "function": "AnalysisDatabase<'a>::get_public_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::from_iter([None])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1095,
+    "function": "Environment<'a, 'b, 'hooks>::epoch",
+    "return_type": "-> &StacksEpochId",
+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 56,
+    "function": "SugarExpander::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 41,
+    "function": "U128Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 223,
+    "function": "ContractContext::add_private_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1357,
+    "function": "TypeChecker<'a, 'b>::type_check_define_persisted_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1829,
+    "function": "ContractContext::is_explicitly_implementing_trait",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 240,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_stacks_epoch_by_epoch_id",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 120,
+    "function": "inner_handle_tuple_get",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1053,
+    "function": "Value::expect_buff",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![1]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1525,
+    "function": "Environment<'a, 'b, 'hooks>::register_ft_transfer_event",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 519,
+    "function": "TypeSignature::admits",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 962,
+    "function": "ClarityDatabase<'a>::get_miner_spend_winner",
+    "return_type": "-> u128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1625,
+    "function": "ClarityDatabase<'a>::load_ft",
+    "return_type": "-> Result<FungibleTokenMetadata>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 119,
+    "function": "Parser<'a>::add_diagnostic",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 433,
+    "function": "Graph::edges_count",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::from(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 65,
+    "function": "DefinitionSorter::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 244,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_ast_rules",
+    "return_type": "-> ASTRules",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 288,
+    "function": "Lexer<'a>::read_principal",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 227,
+    "function": "ReadOnlyChecker<'a, 'b>::check_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1201,
+    "function": "ExecutionCost::add",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 284,
+    "function": "AssetMap::get_next_amount",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 173,
+    "function": "<impl DiagnosableError for ParseErrors>::message",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 179,
+    "function": "ContractAnalysis::get_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/mod.rs",
+    "line": 50,
+    "function": "mem_type_check",
+    "return_type": "-> CheckResult<(Option<TypeSignature>, ContractAnalysis)>",
+    "replacement": "CheckResult::from_iter([(Some(Default::default()), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 345,
+    "function": "Lexer<'a>::read_hex",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 73,
+    "function": "native_unwrap_err",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 532,
+    "function": "special_less_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1722,
+    "function": "ListTypeData::inner_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 792,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())]))])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 582,
+    "function": "check_principal_construct",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/mod.rs",
+    "line": 131,
+    "function": "tl_env_factory",
+    "return_type": "-> TopLevelMemoryEnvironmentGenerator",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 985,
+    "function": "TypeSignature::max_string_utf8",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 381,
+    "function": "native_bitwise_not",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 1109,
+    "function": "STXBalance::can_transfer_at_burn_block",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 359,
+    "function": "DefinedFunction::get_arg_types",
+    "return_type": "-> &Vec<TypeSignature>",
+    "replacement": "&vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1329,
+    "function": "<impl StacksMessageCodec for Value>::consensus_deserialize",
+    "return_type": "-> Result<Value, codec_error>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 314,
+    "function": "eval",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 315,
+    "function": "FTMintEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 82,
+    "function": "check_special_mint_asset",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 160,
+    "function": "test_contract_caller",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 172,
+    "function": "check_special_transfer_token",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 153,
+    "function": "build_ast_with_diagnostics",
+    "return_type": "-> (ContractAST, Vec<Diagnostic>, bool)",
+    "replacement": "(Default::default(), vec![Default::default()], true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 647,
+    "function": "ClarityDatabase<'a>::load_contract_analysis",
+    "return_type": "-> Option<ContractAnalysis>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 113,
+    "function": "check_special_mint_token",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 126,
+    "function": "<impl From for SerializationError>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 60,
+    "function": "special_is_standard",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 508,
+    "function": "parse_lexed",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 920,
+    "function": "STXBalance::get_locked_balance_at_burn_block",
+    "return_type": "-> (u128, u64)",
+    "replacement": "(1, 1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 126,
+    "function": "handle_define_variable",
+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 59,
+    "function": "rollback_check_pre_bottom_commit",
+    "return_type": "-> Vec<(T, String)>",
+    "replacement": "vec![(Default::default(), \"xyzzy\".into())]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 571,
+    "function": "clarity2_trait_check_trait_compliance",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 171,
+    "function": "AnalysisDatabase<'a>::get_read_only_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 91,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::compute_cost",
+    "return_type": "-> Result<ExecutionCost, CostErrors>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 1061,
+    "function": "special_burn_asset_v205",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 748,
+    "function": "ClarityDatabase<'a>::set_ustx_liquid_supply",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 213,
+    "function": "ContractContext::add_read_only_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 140,
+    "function": "Lexer<'a>::read_line",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 96,
+    "function": "rollback_check_pre_bottom_commit",
+    "return_type": "-> Vec<(T, String)>",
+    "replacement": "vec![(Default::default(), String::new())]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 260,
+    "function": "check_special_fetch_var",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1938,
+    "function": "ClarityDatabase<'a>::get_account_nonce",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 297,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1818,
+    "function": "ContractContext::lookup_function",
+    "return_type": "-> Option<DefinedFunction>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/coverage.rs",
+    "line": 104,
+    "function": "CoverageReporter::executable_lines",
+    "return_type": "-> Vec<u32>",
+    "replacement": "vec![1]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 172,
+    "function": "ContractContext::add_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1414,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::from_iter([Some(())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 579,
+    "function": "native_bitwise_left_shift",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 809,
+    "function": "get_signature",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 263,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![Default::default()], 1))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 920,
+    "function": "STXBalance::get_locked_balance_at_burn_block",
+    "return_type": "-> (u128, u64)",
+    "replacement": "(0, 0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1372,
+    "function": "TypeSignature::parse_atom_type",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 203,
+    "function": "ContractContext::add_public_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 448,
+    "function": "special_leq_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from(vec![(Default::default(), 0, 1)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 142,
+    "function": "<impl CostTracker for ()>::add_memory",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 49,
+    "function": "check_special_some",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 171,
+    "function": "AnalysisDatabase<'a>::get_read_only_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::from_iter([Some(Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 307,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_block_at_height",
+    "return_type": "-> Option<StacksBlockId>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 244,
+    "function": "ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 474,
+    "function": "Lexer<'a>::read_utf8_encoding",
+    "return_type": "-> LexResult<Result<String, String>>",
+    "replacement": "LexResult::from(Ok(String::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 325,
+    "function": "check_special_equals",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 92,
+    "function": "ArithmeticOnlyChecker<'a>::check_define_function",
+    "return_type": "-> Result<(), Error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 160,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burn_block_height_for_block",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 831,
+    "function": "Value::err_uint",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 419,
+    "function": "special_geq",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/mod.rs",
+    "line": 50,
+    "function": "mem_type_check",
+    "return_type": "-> CheckResult<(Option<TypeSignature>, ContractAnalysis)>",
+    "replacement": "CheckResult::from((None, Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 396,
+    "function": "STXBalanceSnapshot<'db, 'conn>::can_transfer",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1210,
+    "function": "ExecutionCost::sub",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 208,
+    "function": "<impl From for CostStateSummary>::from",
+    "return_type": "-> CostStateSummary",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 356,
+    "function": "PreSymbolicExpression::match_atom_value",
+    "return_type": "-> Option<&Value>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 223,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::set_block_hash",
+    "return_type": "-> Result<StacksBlockId>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 409,
+    "function": "STXBalanceSnapshot<'db, 'conn>::credit",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 93,
+    "function": "AnalysisDatabase<'a>::load_contract_non_canonical",
+    "return_type": "-> Option<ContractAnalysis>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 54,
+    "function": "DefinitionSorter::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 807,
+    "function": "Parser<'a>::parse_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 831,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1445,
+    "function": "<impl From for Value>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1263,
+    "function": "ClarityDatabase<'a>::create_map",
+    "return_type": "-> DataMapMetadata",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 168,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_miner_address",
+    "return_type": "-> Option<StacksAddress>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 28,
+    "function": "inner_unwrap",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 970,
+    "function": "Value::string_utf8_from_string_utf8_literal",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 522,
+    "function": "Value::deserialize_read",
+    "return_type": "-> Result<Value, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 96,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::drop_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 140,
+    "function": "Lexer<'a>::read_line",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::new(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 229,
+    "function": "special_fetch_variable_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 508,
+    "function": "parse_lexed",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 305,
+    "function": "inner_put",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 520,
+    "function": "SymbolicExpression::atom_value",
+    "return_type": "-> SymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 476,
+    "function": "ListTypeData::get_max_len",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 97,
+    "function": "TypingContext<'a>::lookup_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1694,
+    "function": "GlobalContext<'a, 'hooks>::is_read_only",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 164,
+    "function": "<impl Display for ClarityCostFunctionReference>::fmt",
+    "return_type": "-> ::std::fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 118,
+    "function": "<impl AnalysisPass for TypeChecker<'_, '_>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/contracts.rs",
+    "line": 178,
+    "function": "produce_docs_refs",
+    "return_type": "-> BTreeMap<String, ContractRef>",
+    "replacement": "BTreeMap::from_iter([(\"xyzzy\".into(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 283,
+    "function": "Parser<'a>::handle_open_tuple",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 358,
+    "function": "STXBalanceSnapshot<'db, 'conn>::get_available_balance",
+    "return_type": "-> u128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 54,
+    "function": "DefinitionSorter::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 742,
+    "function": "test_aborts",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 369,
+    "function": "native_bitwise_xor",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 691,
+    "function": "STXBalanceSnapshot<'db, 'conn>::accelerate_unlock",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1023,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::from_iter([vec![Default::default()]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 279,
+    "function": "check_argument_count",
+    "return_type": "-> Result<(), CheckErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 62,
+    "function": "check_special_map",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 2626,
+    "function": "make_json_api_reference",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 2532,
+    "function": "make_keyword_reference",
+    "return_type": "-> Option<KeywordAPI>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 227,
+    "function": "ReadOnlyChecker<'a, 'b>::check_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1427,
+    "function": "<impl From for Value>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1527,
+    "function": "TupleData::get_owned",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from(vec![(Default::default(), 0, 1)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 60,
+    "function": "check_special_error",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 728,
+    "function": "parse_no_stack_limit",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 112,
+    "function": "eval_with_new_binding",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 178,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 324,
+    "function": "DefinitionSorter::probe_for_dependencies_in_define_args",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 724,
+    "function": "ClarityDatabase<'a>::get_clarity_epoch_version",
+    "return_type": "-> StacksEpochId",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1361,
+    "function": "ClarityDatabase<'a>::fetch_entry_with_size",
+    "return_type": "-> Result<ValueResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 156,
+    "function": "FunctionType::check_args_2_1",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 134,
+    "function": "check_special_asserts",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 728,
+    "function": "get_input_type_string",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 343,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_sortition_id_from_consensus_hash",
+    "return_type": "-> Option<SortitionId>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1062,
+    "function": "Parser<'a>::parse_node_or_eof",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([Some(Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1760,
+    "function": "GlobalContext<'a, 'hooks>::handle_tx_result",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 942,
+    "function": "Value::buff_from",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 634,
+    "function": "ClarityDatabase<'a>::fetch_metadata_manual",
+    "return_type": "-> Result<Option<T>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 88,
+    "function": "native_buff_to_int_le",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 312,
+    "function": "ContractContext::get_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1626,
+    "function": "GlobalContext<'a, 'hooks>::log_token_transfer",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 81,
+    "function": "SqliteConnection::get",
+    "return_type": "-> Option<String>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 194,
+    "function": "ContractContext::get_persisted_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 376,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_3_activation_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1983,
+    "function": "CallStack::make_stack_trace",
+    "return_type": "-> StackTrace",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1083,
+    "function": "Parser<'a>::parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 265,
+    "function": "check_special_fetch_var",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 318,
+    "function": "ContractInterfaceNonFungibleTokens::from_map",
+    "return_type": "-> Vec<Self>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/sequences.rs",
+    "line": 409,
+    "function": "special_replace_at",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 66,
+    "function": "<impl Display for Error>::fmt",
+    "return_type": "-> std::fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 748,
+    "function": "STXBalance::initial",
+    "return_type": "-> STXBalance",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 40,
+    "function": "update_expression_id",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 533,
+    "function": "SequenceData::is_list",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 699,
+    "function": "ClarityDatabase<'a>::has_contract",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 263,
+    "function": "AssetMap::get_next_stx_amount",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1253,
+    "function": "<impl Display for ResponseData>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1714,
+    "function": "GlobalContext<'a, 'hooks>::commit",
+    "return_type": "-> Result<(Option<AssetMap>, Option<EventBatch>)>",
+    "replacement": "Ok((Some(Default::default()), None))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1023,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1115,
+    "function": "map_no_contract_as_none",
+    "return_type": "-> Result<Option<T>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 579,
+    "function": "native_bitwise_left_shift",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 66,
+    "function": "Lexer<'a>::add_diagnostic",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 466,
+    "function": "RollbackWrapper<'a>::get_metadata",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1490,
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+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1246,
+    "function": "Environment<'a, 'b, 'hooks>::evaluate_at_block",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 242,
+    "function": "from_consensus_buff",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/version.rs",
+    "line": 27,
+    "function": "ClarityVersion::default_for_epoch",
+    "return_type": "-> ClarityVersion",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 269,
+    "function": "ContractContext::add_nft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 274,
+    "function": "ArithmeticOnlyChecker<'a>::check_function_application",
+    "return_type": "-> Result<(), Error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1070,
+    "function": "<impl CostTracker for &mut LimitedCostTracker>::short_circuit_contract_call",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 327,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_cc_special_cases_handler",
+    "return_type": "-> Option<SpecialCaseHandler>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 319,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_open_chain_tip_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 281,
+    "function": "ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from_iter([true])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 490,
+    "function": "AssetMap::get_nonfungible_tokens",
+    "return_type": "-> Option<&Vec<Value>>",
+    "replacement": "Some(&vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 355,
+    "function": "DefinedFunction::get_arguments",
+    "return_type": "-> &Vec<ClarityName>",
+    "replacement": "&vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 60,
+    "function": "<impl Error for Error>::source",
+    "return_type": "-> Option<&(dyn std::error::Error +'static)>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 937,
+    "function": "ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![Default::default()], 1))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 557,
+    "function": "native_sub",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 199,
+    "function": "<impl From for Error>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1939,
+    "function": "CallStack::depth",
+    "return_type": "-> usize",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1133,
+    "function": "Value::try_deserialize_hex_untyped",
+    "return_type": "-> Result<Value, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 190,
+    "function": "ContractAnalysis::get_defined_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "Some(&BTreeMap::from_iter([(Default::default(), Default::default())]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 47,
+    "function": "I128Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 728,
+    "function": "parse_no_stack_limit",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 250,
+    "function": "check_special_get_token_supply",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 306,
+    "function": "check_special_match_opt",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1109,
+    "function": "parse_collect_diagnostics",
+    "return_type": "-> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool)",
+    "replacement": "(vec![Default::default()], vec![], true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 125,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burn_header_hash_for_block",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1069,
+    "function": "Environment<'a, 'b, 'hooks>::eval_raw",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1302,
+    "function": "ClarityDatabase<'a>::make_key_for_data_map_entry_serialized",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 462,
+    "function": "unescape_ascii_chars",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1462,
+    "function": "test_embedded_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/defines.rs",
+    "line": 58,
+    "function": "test_accept_options",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 79,
+    "function": "ContractContext::check_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1917,
+    "function": "<impl Display for BufferLength>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1109,
+    "function": "parse_collect_diagnostics",
+    "return_type": "-> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool)",
+    "replacement": "(vec![], vec![], false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1878,
+    "function": "ClarityDatabase<'a>::make_key_for_account_nonce",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 420,
+    "function": "RollbackWrapper<'a>::get_current_block_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 2557,
+    "function": "make_for_special",
+    "return_type": "-> FunctionAPI",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 247,
+    "function": "SequenceData::atom_values",
+    "return_type": "-> Vec<SymbolicExpression>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 376,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_3_activation_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 232,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_3_activation_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 785,
+    "function": "clarity2_lookup_trait",
+    "return_type": "-> CheckResult<BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 808,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::new(Some(()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 172,
+    "function": "ContractContext::add_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 208,
+    "function": "AnalysisDatabase<'a>::get_implemented_traits",
+    "return_type": "-> CheckResult<BTreeSet<TraitIdentifier>>",
+    "replacement": "CheckResult::from_iter([BTreeSet::from_iter([Default::default()])])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 490,
+    "function": "special_greater_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1635,
+    "function": "GlobalContext<'a, 'hooks>::log_stx_transfer",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 358,
+    "function": "TypeChecker<'a, 'b>::track_return_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 130,
+    "function": "build_ast_typical",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 2532,
+    "function": "make_keyword_reference",
+    "return_type": "-> Option<KeywordAPI>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 653,
+    "function": "<impl SequencedValue for ASCIIData>::items",
+    "return_type": "-> &Vec<u8>",
+    "replacement": "&vec![1]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 96,
+    "function": "rollback_check_pre_bottom_commit",
+    "return_type": "-> Vec<(T, String)>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 40,
+    "function": "update_expression_id",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 430,
+    "function": "ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1346,
+    "function": "TypeChecker<'a, 'b>::type_check_define_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 647,
+    "function": "ClarityDatabase<'a>::load_contract_analysis",
+    "return_type": "-> Option<ContractAnalysis>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 202,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/version.rs",
+    "line": 24,
+    "function": "ClarityVersion::latest",
+    "return_type": "-> ClarityVersion",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 47,
+    "function": "I128Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 306,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burn_block_height_for_block",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 357,
+    "function": "DefinitionSorter::probe_for_dependencies_in_wrapped_key_value_pairs",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 299,
+    "function": "SequenceData::replace_at",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 189,
+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::from(Some(BTreeMap::from_iter([(Default::default(), Default::default())])))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 395,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![Default::default()], 1))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 165,
+    "function": "ArithmeticOnlyChecker<'a>::try_native_function_check",
+    "return_type": "-> Option<Result<(), Error>>",
+    "replacement": "Some(Ok(()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/boolean.rs",
+    "line": 58,
+    "function": "special_and",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 828,
+    "function": "make_for_simple_native",
+    "return_type": "-> FunctionAPI",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 204,
+    "function": "test_dynamic_dispatch_intra_contract_call",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 244,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_rejection_fraction",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 710,
+    "function": "test_readwrite_dynamic_dispatch",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 642,
+    "function": "special_delete_entry_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 411,
+    "function": "evaluate_define",
+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1054,
+    "function": "TypeSignature::least_supertype",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 466,
+    "function": "RollbackWrapper<'a>::get_metadata",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1047,
+    "function": "ClarityDatabase<'a>::insert_microblock_poison",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/crypto.rs",
+    "line": 102,
+    "function": "special_principal_of",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 345,
+    "function": "DefinitionSorter::probe_for_dependencies_in_list_of_wrapped_key_value_pairs",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1072,
+    "function": "ClarityDatabase<'a>::get_microblock_pubkey_hash_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 694,
+    "function": "ClarityDatabase<'a>::insert_contract",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 926,
+    "function": "ClarityDatabase<'a>::get_burnchain_block_header_hash_for_burnchain_height",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 326,
+    "function": "Lexer<'a>::read_integer",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1928,
+    "function": "ClarityDatabase<'a>::get_account_stx_balance",
+    "return_type": "-> STXBalance",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 152,
+    "function": "<impl CostTracker for ()>::short_circuit_contract_call",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 283,
+    "function": "Parser<'a>::handle_open_tuple",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 43,
+    "function": "is_string_terminator",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::from(vec![1])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 800,
+    "function": "<impl PartialEq for TupleData>::eq",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 524,
+    "function": "TypeSignature::admits_type",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/contracts.rs",
+    "line": 69,
+    "function": "doc_execute",
+    "return_type": "-> Result<Option<Value>, vm::Error>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 135,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_vrf_seed_for_block",
+    "return_type": "-> Option<VRFSeed>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 751,
+    "function": "TypeChecker<'a, 'b>::type_check_define_persisted_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 430,
+    "function": "ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 101,
+    "function": "get_value_or_err",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::from(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contracts.rs",
+    "line": 44,
+    "function": "Contract::initialize_from_ast",
+    "return_type": "-> Result<Contract>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 189,
+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::new(Some(BTreeMap::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 905,
+    "function": "<impl CostTracker for GlobalContext<'_, '_>>::compute_cost",
+    "return_type": "-> std::result::Result<ExecutionCost, CostErrors>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new(vec![(Default::default(), 1, 1)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 88,
+    "function": "ContractContext::get_nft_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 171,
+    "function": "ContractAnalysis::get_private_function",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 23,
+    "function": "inner_relabel",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::new(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 74,
+    "function": "check_special_is_response",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 516,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::new(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 926,
+    "function": "FunctionSignature::check_args_trait_compliance",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 108,
+    "function": "get_lines_at",
+    "return_type": "-> Vec<usize>",
+    "replacement": "vec![0]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/token.rs",
+    "line": 47,
+    "function": "<impl Display for Token>::fmt",
+    "return_type": "-> std::fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/token.rs",
+    "line": 82,
+    "function": "Token::reproduce",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 259,
+    "function": "ContractContext::add_ft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 429,
+    "function": "TypeChecker<'a, 'b>::type_check_expects",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 39,
+    "function": "get_simple_native_or_user_define",
+    "return_type": "-> CheckResult<FunctionType>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 818,
+    "function": "STXBalance::debit_unlocked_amount",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1719,
+    "function": "ClarityDatabase<'a>::get_ft_balance",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 571,
+    "function": "clarity2_trait_check_trait_compliance",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 462,
+    "function": "special_leq",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 871,
+    "function": "<impl CostTracker for Environment<'_, '_, '_>>::compute_cost",
+    "return_type": "-> std::result::Result<ExecutionCost, CostErrors>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 677,
+    "function": "LimitedCostTracker::new_mid_block",
+    "return_type": "-> Result<LimitedCostTracker>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 42,
+    "function": "<impl ClaritySerializable for String>::serialize",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 570,
+    "function": "SymbolicExpression::match_list",
+    "return_type": "-> Option<&[SymbolicExpression]>",
+    "replacement": "Some(Vec::leak(Vec::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1913,
+    "function": "LocalContext<'a>::lookup_callable_contract",
+    "return_type": "-> Option<&CallableData>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 475,
+    "function": "SymbolicExpression::cons",
+    "return_type": "-> SymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 267,
+    "function": "ArithmeticOnlyChecker<'a>::check_all",
+    "return_type": "-> Result<(), Error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 139,
+    "function": "ContractAnalysis::add_private_function",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 172,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burn_block_height_for_block",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 229,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_prepare_length",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 211,
+    "function": "<impl SymbolicExpressionCommon for SymbolicExpression>::match_list_mut",
+    "return_type": "-> Option<&mut[SymbolicExpression]>",
+    "replacement": "Some(Vec::leak(vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 557,
+    "function": "native_sub",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 253,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_sortition_id_from_consensus_hash",
+    "return_type": "-> Option<SortitionId>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1361,
+    "function": "<impl Display for PrincipalData>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 973,
+    "function": "ClarityDatabase<'a>::get_miner_spend_total",
+    "return_type": "-> u128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 405,
+    "function": "special_geq_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 721,
+    "function": "TypeSignature::canonicalize",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 913,
+    "function": "FunctionSignature::total_type_size",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/sequences.rs",
+    "line": 38,
+    "function": "list_cons",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1451,
+    "function": "<impl From for Value>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1825,
+    "function": "ContractContext::lookup_trait_definition",
+    "return_type": "-> Option<BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 281,
+    "function": "ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from_iter([false])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/types.rs",
+    "line": 67,
+    "function": "ContractAST::get_referenced_trait",
+    "return_type": "-> Option<&TraitDefinition>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 532,
+    "function": "special_less_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 389,
+    "function": "Lexer<'a>::read_ascii_string",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 213,
+    "function": "ContractContext::add_read_only_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1420,
+    "function": "Environment<'a, 'b, 'hooks>::construct_print_transaction_event",
+    "return_type": "-> StacksTransactionEvent",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 208,
+    "function": "AnalysisDatabase<'a>::get_implemented_traits",
+    "return_type": "-> CheckResult<BTreeSet<TraitIdentifier>>",
+    "replacement": "CheckResult::from(BTreeSet::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1153,
+    "function": "<impl Write for WriteCounter>::write",
+    "return_type": "-> std::io::Result<usize>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 78,
+    "function": "Lexer<'a>::read_char",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 174,
+    "function": "inner_build_ast",
+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::from_iter([(Default::default(), vec![], false)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 223,
+    "function": "ContractContext::add_private_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1963,
+    "function": "test_let_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 228,
+    "function": "check_special_let",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 463,
+    "function": "Parser<'a>::open_tuple",
+    "return_type": "-> ParseResult<SetupTupleResult>",
+    "replacement": "ParseResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 334,
+    "function": "PreSymbolicExpression::placeholder",
+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1062,
+    "function": "<impl CostTracker for &mut LimitedCostTracker>::reset_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 573,
+    "function": "native_eq",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 111,
+    "function": "Lexer<'a>::report_line_ending",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 486,
+    "function": "TypeSignature::new_option",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 949,
+    "function": "STXBalance::get_total_balance",
+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1385,
+    "function": "TypeChecker<'a, 'b>::type_check_define_nft",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 829,
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+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1406,
+    "function": "<impl From for StacksAddress>::from",
+    "return_type": "-> StacksAddress",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1209,
+    "function": "Environment<'a, 'b, 'hooks>::execute_function_as_transaction",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 206,
+    "function": "STXBurnEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 446,
+    "function": "ClarityDatabase<'a>::roll_back",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 728,
+    "function": "parse_no_stack_limit",
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+    "replacement": "ParseResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 602,
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+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 716,
+    "function": "OptionalData::type_signature",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 1782,
+    "function": "TupleTypeSignature::inner_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 391,
+    "function": "special_geq_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 807,
+    "function": "Parser<'a>::parse_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 296,
+    "function": "<impl DiagnosableError for ParseErrors>::suggestion",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 237,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_rejection_fraction",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 454,
+    "function": "ClarityDatabase<'a>::set_block_hash",
+    "return_type": "-> Result<StacksBlockId>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 902,
+    "function": "FixedFunction::total_type_size",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 101,
+    "function": "get_value_or_err",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::from_iter([\"xyzzy\".into()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 794,
+    "function": "<impl PartialEq for ListData>::eq",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1595,
+    "function": "GlobalContext<'a, 'hooks>::is_top_level",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 516,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 502,
+    "function": "<impl Display for AssetMap>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 430,
+    "function": "ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 943,
+    "function": "ClarityDatabase<'a>::get_burnchain_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 306,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burn_block_height_for_block",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 128,
+    "function": "Lexer<'a>::skip_whitespace",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1748,
+    "function": "TupleTypeSignature::type_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 217,
+    "function": "check_special_try_ret",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1346,
+    "function": "test_return_trait_with_contract_of",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 338,
+    "function": "RollbackWrapper<'a>::set_block_hash",
+    "return_type": "-> InterpreterResult<StacksBlockId>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 299,
+    "function": "check_special_burn_token",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 808,
+    "function": "Value::some",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 168,
+    "function": "ContractContext::check_name_used",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 36,
+    "function": "<impl BuildASTPass for TraitsResolver>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1059,
+    "function": "<impl CostTracker for &mut LimitedCostTracker>::drop_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 239,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_block_at_height",
+    "return_type": "-> Option<StacksBlockId>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 91,
+    "function": "get_principal_as_principal_data",
+    "return_type": "-> PrincipalData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 99,
+    "function": "test_get_block_info_eval",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 298,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burn_block_time_for_block",
+    "return_type": "-> Option<u64>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 114,
+    "function": "<impl PartialEq for IncomparableError<T>>::eq",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1372,
+    "function": "TypeChecker<'a, 'b>::type_check_define_ft",
+    "return_type": "-> CheckResult<ClarityName>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1735,
+    "function": "ListTypeData::type_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 253,
+    "function": "ContractContext::add_persisted_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 421,
+    "function": "Graph::get_node_descendants",
+    "return_type": "-> Vec<usize>",
+    "replacement": "vec![1]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new(vec![(Default::default(), 0, 0)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 363,
+    "function": "RollbackWrapper<'a>::get",
+    "return_type": "-> Option<T>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 737,
+    "function": "ClarityDatabase<'a>::get_total_liquid_ustx",
+    "return_type": "-> u128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 243,
+    "function": "RollbackWrapper<'a>::rollback",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 106,
+    "function": "native_buff_to_int_be::convert_to_int_be",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/types.rs",
+    "line": 67,
+    "function": "ContractAST::get_referenced_trait",
+    "return_type": "-> Option<&TraitDefinition>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::new(vec![1])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 305,
+    "function": "special_mint_token",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 606,
+    "function": "special_print",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 163,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_consensus_hash_for_block",
+    "return_type": "-> Option<ConsensusHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 307,
+    "function": "DefinitionSorter::probe_for_dependencies_in_tuple",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 177,
+    "function": "ContractContext::add_implemented_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 332,
+    "function": "ContractContext::into_contract_analysis",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1044,
+    "function": "Environment<'a, 'b, 'hooks>::eval_raw_with_rules",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/sequences.rs",
+    "line": 1160,
+    "function": "test_construct_bad_list",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 234,
+    "function": "<impl ClarityDeserializable for STXBalance>::deserialize",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 163,
+    "function": "<impl Error for RuntimeErrorType>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 291,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::set_block_hash",
+    "return_type": "-> InterpreterResult<StacksBlockId>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 56,
+    "function": "SugarExpander::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 782,
+    "function": "ClarityDatabase<'a>::is_in_regtest",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 685,
+    "function": "TypedNativeFunction::type_check_application",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1874,
+    "function": "ClarityDatabase<'a>::make_key_for_account_balance",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1372,
+    "function": "TypeChecker<'a, 'b>::type_check_define_ft",
+    "return_type": "-> CheckResult<ClarityName>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 223,
+    "function": "ContractContext::add_private_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 476,
+    "function": "special_greater_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 182,
+    "function": "ReadOnlyChecker<'a, 'b>::check_reads_only_valid",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 261,
+    "function": "RollbackWrapper<'a>::depth",
+    "return_type": "-> usize",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 626,
+    "function": "TypeChecker<'a, 'b>::type_check_define_map",
+    "return_type": "-> CheckResult<(ClarityName, (TypeSignature, TypeSignature))>",
+    "replacement": "CheckResult::from_iter([(Default::default(), (Default::default(), Default::default()))])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 274,
+    "function": "SequenceData::is_empty",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 386,
+    "function": "STXBalanceSnapshot<'db, 'conn>::has_unlockable_tokens",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 341,
+    "function": "<impl From for u32>::from",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 101,
+    "function": "get_value_or_err",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 2626,
+    "function": "make_json_api_reference",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 84,
+    "function": "AnalysisDatabase<'a>::has_contract",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 48,
+    "function": "<impl BuildASTPass for StackDepthChecker>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 943,
+    "function": "ClarityDatabase<'a>::get_burnchain_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 146,
+    "function": "ContractContext::add_persisted_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 639,
+    "function": "native_to_int",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 236,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_prepare_length",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1213,
+    "function": "ClarityDatabase<'a>::lookup_variable",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 391,
+    "function": "special_geq_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 792,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::from((Default::default(), BTreeMap::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 182,
+    "function": "ReadOnlyChecker<'a, 'b>::check_reads_only_valid",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 246,
+    "function": "Lexer<'a>::read_trait_identifier",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 458,
+    "function": "test_simple_naming_system",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 521,
+    "function": "Parser<'a>::read_principal",
+    "return_type": "-> ParseResult<PreSymbolicExpression>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/trait_checker/mod.rs",
+    "line": 55,
+    "function": "TraitChecker::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 554,
+    "function": "native_add",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 359,
+    "function": "check_contract_call",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 65,
+    "function": "symbols_from_values",
+    "return_type": "-> Vec<SymbolicExpression>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 389,
+    "function": "Lexer<'a>::read_ascii_string",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 820,
+    "function": "LimitedCostTracker::get_limit",
+    "return_type": "-> ExecutionCost",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 579,
+    "function": "native_bitwise_left_shift",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 329,
+    "function": "<impl From for TypeSignature>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs",
+    "line": 195,
+    "function": "check_special_get_token_supply",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 179,
+    "function": "ContractAnalysis::get_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 202,
+    "function": "TraitIdentifier::parse",
+    "return_type": "-> Result<(Option<StandardPrincipalData>, ContractName, ClarityName)>",
+    "replacement": "Ok((None, Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 182,
+    "function": "ContractContext::get_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "Some(&BTreeMap::from_iter([(Default::default(), Default::default())]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1183,
+    "function": "Value::serialize_to_hex",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 448,
+    "function": "special_leq_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 299,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((String::new(), vec![1]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/assets.rs",
+    "line": 521,
+    "function": "test_simple_token_system",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 316,
+    "function": "ContractContext::get_persisted_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 233,
+    "function": "ContractContext::add_map_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 84,
+    "function": "ContractContext::ft_exists",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/mod.rs",
+    "line": 147,
+    "function": "TopLevelMemoryEnvironmentGenerator::get_env",
+    "return_type": "-> OwnedEnvironment",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1559,
+    "function": "byte_len_of_serialization",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 532,
+    "function": "special_less_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 128,
+    "function": "SequenceSubtype::unit_type",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1072,
+    "function": "ClarityDatabase<'a>::get_microblock_pubkey_hash_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 511,
+    "function": "SymbolicExpression::span",
+    "return_type": "-> &Span",
+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 111,
+    "function": "Lexer<'a>::report_line_ending",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 377,
+    "function": "native_bitwise_or",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1083,
+    "function": "Parser<'a>::parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 852,
+    "function": "OwnedEnvironment<'a, 'hooks>::destruct",
+    "return_type": "-> Option<(ClarityDatabase<'a>, LimitedCostTracker)>",
+    "replacement": "Some((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 156,
+    "function": "FunctionType::check_args_2_1",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 181,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_winning_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1093,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 227,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1301,
+    "function": "PrincipalData::version",
+    "return_type": "-> u8",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 295,
+    "function": "test_tx_sponsor",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 832,
+    "function": "ClarityDatabase<'a>::get_current_burnchain_block_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1017,
+    "function": "Value::serialize_write",
+    "return_type": "-> std::io::Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 563,
+    "function": "native_div",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 839,
+    "function": "contract_analysis_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from_iter([1])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 197,
+    "function": "NativeFunctions::lookup_by_name_at_version",
+    "return_type": "-> Option<NativeFunctions>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 283,
+    "function": "Parser<'a>::handle_open_tuple",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 189,
+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::from_iter([Some(BTreeMap::from_iter([(Default::default(), Default::default())]))])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 227,
+    "function": "is_okay",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 103,
+    "function": "build_ast_with_rules",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 221,
+    "function": "add_stack_trace",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 490,
+    "function": "special_greater_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 268,
+    "function": "ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only",
+    "return_type": "-> Option<CheckResult<bool>>",
+    "replacement": "Some(CheckResult::new(true))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 174,
+    "function": "RollbackWrapperPersistedLog::nest",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1044,
+    "function": "Value::expect_i128",
+    "return_type": "-> i128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1229,
+    "function": "TypeChecker<'a, 'b>::clarity1_type_check_expects",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 391,
+    "function": "special_geq_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 415,
+    "function": "FunctionType::check_args_by_allowing_trait_cast_2_1",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 464,
+    "function": "ListTypeData::destruct",
+    "return_type": "-> (TypeSignature, u32)",
+    "replacement": "(Default::default(), 0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 86,
+    "function": "TraitContext::add_used_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 466,
+    "function": "RollbackWrapper<'a>::get_metadata",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from(Some(\"xyzzy\".into()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 572,
+    "function": "native_log2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1317,
+    "function": "ClarityDatabase<'a>::fetch_entry_unknown_descriptor",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1139,
+    "function": "Value::serialized_size",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1186,
+    "function": "ExecutionCost::runtime",
+    "return_type": "-> ExecutionCost",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 384,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_reward_cycle_length",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 77,
+    "function": "check_special_is_response",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 190,
+    "function": "ContractContext::get_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/trait_checker/mod.rs",
+    "line": 55,
+    "function": "TraitChecker::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 388,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_rejection_fraction",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::new(vec![0])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 586,
+    "function": "SymbolicExpression::match_atom_value",
+    "return_type": "-> Option<&Value>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 57,
+    "function": "TypeMap::set_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 274,
+    "function": "SequenceData::is_empty",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 423,
+    "function": "SequenceData::filter",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 309,
+    "function": "build_ast",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 408,
+    "function": "AssetMap::to_table",
+    "return_type": "-> HashMap<PrincipalData, HashMap<AssetIdentifier, AssetMapEntry>>",
+    "replacement": "HashMap::from_iter([(Default::default(), HashMap::new())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 680,
+    "function": "<impl SequencedValue for UTF8Data>::drained_items",
+    "return_type": "-> Vec<Vec<u8>>",
+    "replacement": "vec![vec![0]]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 405,
+    "function": "special_geq_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 319,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_open_chain_tip_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 512,
+    "function": "check_get_block_info",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 476,
+    "function": "ClarityDatabase<'a>::put_value",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 348,
+    "function": "DeserializeStackItem::next_expected_type",
+    "return_type": "-> Result<Option<TypeSignature>, SerializationError>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 236,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_prepare_length",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 248,
+    "function": "<impl From for CheckErrors>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 182,
+    "function": "TraitsResolver::try_parse_pre_expr",
+    "return_type": "-> Option<(DefineFunctions, Vec<&'a PreSymbolicExpression>)>",
+    "replacement": "Some((Default::default(), vec![&Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 792,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::new((Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())])))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 155,
+    "function": "STXTransferEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 256,
+    "function": "SequenceData::element_size",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 546,
+    "function": "special_less",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 123,
+    "function": "<impl AnalysisPass for TypeChecker<'_, '_>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/coverage.rs",
+    "line": 237,
+    "function": "<impl EvalHook for CoverageReporter>::will_begin_eval",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 253,
+    "function": "ContractContext::add_persisted_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1722,
+    "function": "ListTypeData::inner_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 233,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_reward_cycle_length",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1093,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 153,
+    "function": "AnalysisDatabase<'a>::get_public_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 302,
+    "function": "AssetMap::add_stx_burn",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 347,
+    "function": "<impl From for u32>::from",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 119,
+    "function": "Parser<'a>::add_diagnostic",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 815,
+    "function": "OwnedEnvironment<'a, 'hooks>::eval_read_only_with_rules",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 657,
+    "function": "<impl SequencedValue for ASCIIData>::drained_items",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1115,
+    "function": "map_no_contract_as_none",
+    "return_type": "-> Result<Option<T>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 123,
+    "function": "AnalysisDatabase<'a>::insert_contract",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 266,
+    "function": "ContractInterfaceFunction::from_map",
+    "return_type": "-> Vec<ContractInterfaceFunction>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 110,
+    "function": "<impl From for PrincipalData>::from",
+    "return_type": "-> PrincipalData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 230,
+    "function": "<impl Display for CheckError>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1696,
+    "function": "TypeSignature::inner_type_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1903,
+    "function": "LocalContext<'a>::lookup_variable",
+    "return_type": "-> Option<&Value>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 153,
+    "function": "SqliteConnection::has_entry",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 187,
+    "function": "SqliteConnection::open",
+    "return_type": "-> Result<Connection>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 489,
+    "function": "check_secp256k1_recover",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 826,
+    "function": "LimitedCostTracker::get_memory",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 119,
+    "function": "Parser<'a>::add_diagnostic",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 926,
+    "function": "<impl CostTracker for GlobalContext<'_, '_>>::short_circuit_contract_call",
+    "return_type": "-> std::result::Result<bool, CostErrors>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 550,
+    "function": "ClarityDatabase<'a>::make_key_for_quad",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 2024,
+    "function": "test_let3_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 331,
+    "function": "DefinedFunction::is_read_only",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 299,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((\"xyzzy\".into(), vec![0]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1244,
+    "function": "<impl Display for OptionalData>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 433,
+    "function": "RollbackWrapper<'a>::prepare_for_contract_metadata",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 101,
+    "function": "get_value_or_err",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::new(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 766,
+    "function": "TypeChecker<'a, 'b>::type_check_define_ft",
+    "return_type": "-> CheckResult<ClarityName>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 979,
+    "function": "STXBalance::was_locked_by_v3",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 326,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_tokens_earned_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 50,
+    "function": "TraitContext::is_name_used",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 831,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from_iter([1])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 243,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_open_chain_tip",
+    "return_type": "-> StacksBlockId",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 87,
+    "function": "ast_check_size",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1421,
+    "function": "<impl From for Value>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 333,
+    "function": "special_set_variable_v205",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 779,
+    "function": "TypeChecker<'a, 'b>::type_check_define_nft",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 169,
+    "function": "<impl StacksAddressExtensions for StacksAddress>::to_account_principal",
+    "return_type": "-> PrincipalData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 283,
+    "function": "Parser<'a>::handle_open_tuple",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([Some(Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/mod.rs",
+    "line": 45,
+    "function": "FunctionType::check_args",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 415,
+    "function": "FunctionType::check_args_by_allowing_trait_cast_2_1",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/crypto.rs",
+    "line": 139,
+    "function": "special_secp256k1_recover",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1153,
+    "function": "<impl Write for WriteCounter>::write",
+    "return_type": "-> std::io::Result<usize>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 51,
+    "function": "ExpressionIdentifier::run_pre_expression_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 151,
+    "function": "<impl Display for RuntimeErrorType>::fmt",
+    "return_type": "-> std::fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 296,
+    "function": "<impl DiagnosableError for ParseErrors>::suggestion",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from_iter([vec![(Default::default(), 1, 0)]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 578,
+    "function": "STXBalanceSnapshot<'db, 'conn>::lock_tokens_v3",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/trait_checker/mod.rs",
+    "line": 55,
+    "function": "TraitChecker::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 929,
+    "function": "TypeChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 807,
+    "function": "Parser<'a>::parse_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 837,
+    "function": "OwnedEnvironment<'a, 'hooks>::commit",
+    "return_type": "-> Result<(AssetMap, EventBatch)>",
+    "replacement": "Ok((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 705,
+    "function": "OwnedEnvironment<'a, 'hooks>::initialize_versioned_contract",
+    "return_type": "-> Result<((), AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok(((), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 123,
+    "function": "<impl AnalysisPass for TypeChecker<'_, '_>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1093,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1414,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::from_iter([None])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 163,
+    "function": "<impl Error for RuntimeErrorType>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 123,
+    "function": "AnalysisDatabase<'a>::insert_contract",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1167,
+    "function": "TypeSignature::least_supertype_v2_1",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 171,
+    "function": "ContractAnalysis::get_private_function",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new(vec![(Default::default(), 0, 1)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 566,
+    "function": "native_pow",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 233,
+    "function": "ContractContext::add_map_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 369,
+    "function": "native_bitwise_xor",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 247,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_burn_start_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 380,
+    "function": "PreSymbolicExpression::match_field_identifier",
+    "return_type": "-> Option<&TraitIdentifier>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 676,
+    "function": "<impl SequencedValue for UTF8Data>::items",
+    "return_type": "-> &Vec<Vec<u8>>",
+    "replacement": "&vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 217,
+    "function": "NullBackingStore::as_analysis_db",
+    "return_type": "-> AnalysisDatabase",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 28,
+    "function": "build_contract_interface",
+    "return_type": "-> ContractInterface",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 152,
+    "function": "ContractContext::add_ft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 77,
+    "function": "SqliteConnection::put",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 288,
+    "function": "build_ast_precheck_size",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 720,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 162,
+    "function": "ContractContext::add_nft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 116,
+    "function": "ContractContext::add_private_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 288,
+    "function": "Lexer<'a>::read_principal",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 221,
+    "function": "check_special_let",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 452,
+    "function": "test_dynamic_dispatch_including_nested_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 720,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/error.rs",
+    "line": 67,
+    "function": "<impl DiagnosableError for LexerError>::suggestion",
+    "return_type": "-> Option<String>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 345,
+    "function": "Lexer<'a>::read_hex",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 466,
+    "function": "RollbackWrapper<'a>::get_metadata",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::new(Some(String::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 295,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 345,
+    "function": "Lexer<'a>::read_hex",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 336,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_burn_start_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 848,
+    "function": "TupleTypeSignature::len",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 255,
+    "function": "check_special_unwrap",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 136,
+    "function": "ContractContext::add_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 181,
+    "function": "<impl From for Error>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 516,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::from_iter([vec![Default::default()]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/mod.rs",
+    "line": 45,
+    "function": "FunctionType::check_args",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 394,
+    "function": "FunctionIdentifier::new_user_function",
+    "return_type": "-> FunctionIdentifier",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 59,
+    "function": "AssetIdentifier::STX_burned",
+    "return_type": "-> AssetIdentifier",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 580,
+    "function": "ClarityDatabase<'a>::get_contract_src",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 892,
+    "function": "TypeChecker<'a, 'b>::into_contract_analysis",
+    "return_type": "-> LimitedCostTracker",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 395,
+    "function": "load_cost_functions",
+    "return_type": "-> Result<CostStateSummary>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 205,
+    "function": "<impl From for Error>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 208,
+    "function": "CheckError::has_expression",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 219,
+    "function": "Parser<'a>::handle_open_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 64,
+    "function": "check_special_list_cons",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1487,
+    "function": "TupleData::from_data",
+    "return_type": "-> Result<TupleData>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 629,
+    "function": "native_to_uint",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 429,
+    "function": "Graph::nodes_count",
+    "return_type": "-> usize",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 190,
+    "function": "ContractContext::get_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 243,
+    "function": "FunctionArgSignature::canonicalize",
+    "return_type": "-> FunctionArgSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 629,
+    "function": "native_to_uint",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 141,
+    "function": "check_special_get",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1374,
+    "function": "<impl Display for CallableData>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 499,
+    "function": "special_transfer_asset_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 807,
+    "function": "LimitedCostTracker::get_total",
+    "return_type": "-> ExecutionCost",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 615,
+    "function": "<impl SequencedValue for ListData>::items",
+    "return_type": "-> &Vec<Value>",
+    "replacement": "&vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 926,
+    "function": "ClarityDatabase<'a>::get_burnchain_block_header_hash_for_burnchain_height",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 130,
+    "function": "build_ast_typical",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/maps.rs",
+    "line": 153,
+    "function": "check_special_set_entry",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 320,
+    "function": "ContractContext::get_function_type",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 555,
+    "function": "special_insert_entry_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1483,
+    "function": "TupleData::is_empty",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 929,
+    "function": "TypeChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 481,
+    "function": "execute_on_network",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 583,
+    "function": "OwnedEnvironment<'a, 'hooks>::new_max_limit",
+    "return_type": "-> OwnedEnvironment<'a, '_>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 41,
+    "function": "AnalysisDatabase<'a>::new_with_rollback_wrapper",
+    "return_type": "-> AnalysisDatabase<'a>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 448,
+    "function": "special_leq_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1169,
+    "function": "<impl Write for WriteCounter>::flush",
+    "return_type": "-> std::io::Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1109,
+    "function": "parse_collect_diagnostics",
+    "return_type": "-> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool)",
+    "replacement": "(vec![Default::default()], vec![Default::default()], true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 495,
+    "function": "RollbackWrapper<'a>::get_metadata_manual",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from_iter([Some(\"xyzzy\".into())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 853,
+    "function": "ClarityDatabase<'a>::get_block_header_hash",
+    "return_type": "-> BlockHeaderHash",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1171,
+    "function": "TypeChecker<'a, 'b>::type_check_function_application",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 160,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burn_header_hash_for_block",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1943,
+    "function": "CallStack::contains",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 488,
+    "function": "GraphWalker::get_cycling_dependencies",
+    "return_type": "-> Option<Vec<usize>>",
+    "replacement": "Some(vec![0])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1735,
+    "function": "ListTypeData::type_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 545,
+    "function": "execute_against_version",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 348,
+    "function": "PreSymbolicExpression::match_trait_reference",
+    "return_type": "-> Option<&ClarityName>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 915,
+    "function": "<impl CostTracker for GlobalContext<'_, '_>>::drop_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 858,
+    "function": "Value::error",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1141,
+    "function": "ClarityDatabase<'a>::load_variable",
+    "return_type": "-> Result<DataVariableMetadata>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 288,
+    "function": "Lexer<'a>::read_principal",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 306,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burn_block_height_for_block",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 136,
+    "function": "<impl StacksMessageCodec for ContractName>::consensus_deserialize",
+    "return_type": "-> Result<ContractName, codec_error>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 170,
+    "function": "ReadOnlyChecker<'a, 'b>::check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, bool)>",
+    "replacement": "CheckResult::from((Default::default(), true))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 43,
+    "function": "is_string_terminator",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 125,
+    "function": "<impl Display for QualifiedContractIdentifier>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1023,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 802,
+    "function": "ClarityDatabase<'a>::get_current_block_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 720,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1485,
+    "function": "ClarityDatabase<'a>::data_map_entry_exists",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 314,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_miner_address",
+    "return_type": "-> Option<StacksAddress>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1816,
+    "function": "test_pass_embedded_trait_to_subtrait_list_option",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1693,
+    "function": "ClarityDatabase<'a>::checked_decrease_token_supply",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 90,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::add_cost",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 42,
+    "function": "<impl ClaritySerializable for String>::serialize",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 234,
+    "function": "native_is_some",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1099,
+    "function": "<impl FromSql for ExecutionCost>::column_result",
+    "return_type": "-> FromSqlResult<ExecutionCost>",
+    "replacement": "FromSqlResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 391,
+    "function": "special_geq_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 173,
+    "function": "<impl DiagnosableError for ParseErrors>::message",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 419,
+    "function": "special_geq",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 251,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_current_block_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 71,
+    "function": "is_committed",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 271,
+    "function": "AssetMap::get_next_stx_burn_amount",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 202,
+    "function": "special_match",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 297,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 396,
+    "function": "PreSymbolicExpression::match_comment",
+    "return_type": "-> Option<&str>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 778,
+    "function": "ClarityDatabase<'a>::destroy",
+    "return_type": "-> RollbackWrapper<'a>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 59,
+    "function": "<impl AnalysisPass for ReadOnlyChecker<'a, 'b>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1312,
+    "function": "TypeSignature::type_of",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 808,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 808,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::from(Some(()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 1109,
+    "function": "STXBalance::can_transfer_at_burn_block",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 243,
+    "function": "ContractContext::add_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1533,
+    "function": "TupleData::shallow_merge",
+    "return_type": "-> Result<TupleData>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 47,
+    "function": "version_matches_current_network",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/maps.rs",
+    "line": 73,
+    "function": "check_special_delete_entry",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 190,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_v1_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 422,
+    "function": "check_special_slice",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 323,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_winning_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 213,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_burn_start_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1988,
+    "function": "CallStack::make_stack_trace",
+    "return_type": "-> StackTrace",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/variables.rs",
+    "line": 63,
+    "function": "lookup_reserved_variable",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 533,
+    "function": "ClarityDatabase<'a>::make_key_for_trip",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 69,
+    "function": "AssetIdentifier::sugared",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 415,
+    "function": "FunctionType::check_args_by_allowing_trait_cast_2_1",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 508,
+    "function": "parse_lexed",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![Default::default()]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 296,
+    "function": "ContractContext::add_implemented_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 676,
+    "function": "<impl SequencedValue for UTF8Data>::items",
+    "return_type": "-> &Vec<Vec<u8>>",
+    "replacement": "&vec![vec![1]]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 165,
+    "function": "inner_unwrap_err",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 311,
+    "function": "Lexer<'a>::read_unsigned",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 486,
+    "function": "ClarityDatabase<'a>::put_value_with_size",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 657,
+    "function": "<impl SequencedValue for ASCIIData>::drained_items",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![1]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1903,
+    "function": "LocalContext<'a>::lookup_variable",
+    "return_type": "-> Option<&Value>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 586,
+    "function": "SymbolicExpression::match_atom_value",
+    "return_type": "-> Option<&Value>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 288,
+    "function": "Lexer<'a>::read_principal",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 837,
+    "function": "STXBalance::checked_add_unlocked_amount",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 170,
+    "function": "ContractInterfaceAtomType::vec_from_tuple_type",
+    "return_type": "-> Vec<ContractInterfaceTupleEntryType>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 118,
+    "function": "check_special_filter",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 626,
+    "function": "TypeChecker<'a, 'b>::type_check_define_map",
+    "return_type": "-> CheckResult<(ClarityName, (TypeSignature, TypeSignature))>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1099,
+    "function": "<impl FromSql for ExecutionCost>::column_result",
+    "return_type": "-> FromSqlResult<ExecutionCost>",
+    "replacement": "FromSqlResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 277,
+    "function": "DefineFunctions::try_parse",
+    "return_type": "-> Option<(DefineFunctions, &[SymbolicExpression])>",
+    "replacement": "Some((Default::default(), Vec::leak(vec![Default::default()])))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 433,
+    "function": "Graph::edges_count",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::from_iter([1])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 458,
+    "function": "ClarityDatabase<'a>::put",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 516,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 295,
+    "function": "<impl StacksMessageCodec for PrincipalData>::consensus_deserialize",
+    "return_type": "-> Result<PrincipalData, codec_error>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 250,
+    "function": "native_okay",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 149,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burn_block_time_for_block",
+    "return_type": "-> Option<u64>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 128,
+    "function": "Lexer<'a>::skip_whitespace",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 292,
+    "function": "check_special_set_var",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1156,
+    "function": "TypeChecker<'a, 'b>::try_native_function_check",
+    "return_type": "-> Option<TypeResult>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 243,
+    "function": "ContractContext::add_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/crypto.rs",
+    "line": 181,
+    "function": "special_secp256k1_verify",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 929,
+    "function": "TypeChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 740,
+    "function": "TypeChecker<'a, 'b>::type_check_define_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 972,
+    "function": "TypeSignature::min_string_utf8",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 259,
+    "function": "LimitedCostTracker::contract_call_circuits",
+    "return_type": "-> HashMap<(QualifiedContractIdentifier, ClarityName), ClarityCostFunctionReference>",
+    "replacement": "HashMap::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 461,
+    "function": "AssetMap::get_stx_burned",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 535,
+    "function": "TypeChecker<'a, 'b>::get_function_type",
+    "return_type": "-> Option<FunctionType>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 452,
+    "function": "check_contract_of",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 185,
+    "function": "Lexer<'a>::proceed_through_error_string",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from_iter([\"xyzzy\".into()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 268,
+    "function": "ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only",
+    "return_type": "-> Option<CheckResult<bool>>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 162,
+    "function": "ContractContext::add_nft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1714,
+    "function": "GlobalContext<'a, 'hooks>::commit",
+    "return_type": "-> Result<(Option<AssetMap>, Option<EventBatch>)>",
+    "replacement": "Ok((Some(Default::default()), Some(Default::default())))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 388,
+    "function": "TypeChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 537,
+    "function": "ClarityDatabase<'a>::make_metadata_key",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 136,
+    "function": "CostSynthesis::from_cost_tracker",
+    "return_type": "-> CostSynthesis",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 267,
+    "function": "check_special_unwrap_err",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1652,
+    "function": "TypeSignature::size",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 839,
+    "function": "contract_analysis_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 661,
+    "function": "<impl SequencedValue for ASCIIData>::type_signature",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 659,
+    "function": "ClarityDatabase<'a>::get_contract_size",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 373,
+    "function": "native_bitwise_and",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 364,
+    "function": "native_xor",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 228,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_v2_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 210,
+    "function": "Lexer<'a>::read_identifier",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 57,
+    "function": "TypeMap::set_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 633,
+    "function": "<impl SequencedValue for BuffData>::items",
+    "return_type": "-> &Vec<u8>",
+    "replacement": "&vec![1]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 913,
+    "function": "FunctionSignature::total_type_size",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1862,
+    "function": "<impl Debug for TupleTypeSignature>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 307,
+    "function": "DefinitionSorter::probe_for_dependencies_in_tuple",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 538,
+    "function": "TypedNativeFunction::type_check_application",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/principals.rs",
+    "line": 138,
+    "function": "test_simple_is_standard_mainnet_cases",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 333,
+    "function": "AssetMap::add_token_transfer",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 34,
+    "function": "version_matches_mainnet",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1414,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 720,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![Default::default()]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1782,
+    "function": "TupleTypeSignature::inner_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 114,
+    "function": "ContractAnalysis::add_map_type",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 279,
+    "function": "ContractContext::add_defined_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 402,
+    "function": "RollbackWrapper<'a>::get_value",
+    "return_type": "-> Result<Option<ValueResult>, SerializationError>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 261,
+    "function": "RollbackWrapper<'a>::depth",
+    "return_type": "-> usize",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 221,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_burn_header_hash",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 212,
+    "function": "CheckError::set_expression",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 146,
+    "function": "ContractContext::add_persisted_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 175,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_miner_address",
+    "return_type": "-> Option<StacksAddress>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 216,
+    "function": "<impl From for Value>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 779,
+    "function": "get_output_type_string",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 246,
+    "function": "Lexer<'a>::read_trait_identifier",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 304,
+    "function": "ContractContext::get_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 118,
+    "function": "check_special_filter",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 311,
+    "function": "Lexer<'a>::read_unsigned",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 178,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 163,
+    "function": "<impl ClaritySerializable for STXBalance>::serialize",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/boolean.rs",
+    "line": 74,
+    "function": "native_not",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1874,
+    "function": "ClarityDatabase<'a>::make_key_for_account_balance",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 190,
+    "function": "ContractAnalysis::get_defined_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 308,
+    "function": "ContractContext::get_map_type",
+    "return_type": "-> Option<&(TypeSignature, TypeSignature)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1175,
+    "function": "Value::serialize_to_vec",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 152,
+    "function": "ContractContext::add_ft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 167,
+    "function": "check_special_merge",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 243,
+    "function": "ContractContext::add_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/mod.rs",
+    "line": 122,
+    "function": "run_analysis",
+    "return_type": "-> Result<ContractAnalysis, (CheckError, LimitedCostTracker)>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/contracts.rs",
+    "line": 62,
+    "function": "get_constant_value",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 86,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::compute_cost",
+    "return_type": "-> Result<ExecutionCost, CostErrors>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 99,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::reset_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 457,
+    "function": "AssetMap::get_stx",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1232,
+    "function": "test_return_trait_with_contract_of_wrapped_in_begin",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 264,
+    "function": "check_special_append",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 735,
+    "function": "TrackerData::load_costs",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 495,
+    "function": "RollbackWrapper<'a>::get_metadata_manual",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::new(Some(\"xyzzy\".into()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 569,
+    "function": "native_sqrti",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 128,
+    "function": "native_string_to_int_generic",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 415,
+    "function": "FunctionType::check_args_by_allowing_trait_cast_2_1",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 198,
+    "function": "ContractContext::get_function_type",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 516,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1083,
+    "function": "Parser<'a>::parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![Default::default()]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 259,
+    "function": "ContractContext::add_ft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 962,
+    "function": "TypeSignature::min_buffer",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1283,
+    "function": "TypeChecker<'a, 'b>::clarity2_type_check_expects",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 337,
+    "function": "STXBalanceSnapshot<'db, 'conn>::transfer_to",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 106,
+    "function": "ContractContext::add_read_only_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 287,
+    "function": "check_arguments_at_least",
+    "return_type": "-> Result<(), CheckErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 405,
+    "function": "special_geq_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 263,
+    "function": "handle_use_trait",
+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 238,
+    "function": "native_is_none",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 78,
+    "function": "Lexer<'a>::read_char",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/maps.rs",
+    "line": 34,
+    "function": "check_special_fetch_entry",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 839,
+    "function": "contract_analysis_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::new(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1872,
+    "function": "<impl Display for AssetIdentifier>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 137,
+    "function": "AnalysisDatabase<'a>::get_clarity_version",
+    "return_type": "-> CheckResult<ClarityVersion>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 170,
+    "function": "ContractInterfaceAtomType::vec_from_tuple_type",
+    "return_type": "-> Vec<ContractInterfaceTupleEntryType>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 395,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 129,
+    "function": "<impl Display for ParseError>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/crypto.rs",
+    "line": 83,
+    "function": "pubkey_to_address_v2",
+    "return_type": "-> StacksAddress",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 120,
+    "function": "<impl PartialEq for Error>::eq",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/mod.rs",
+    "line": 137,
+    "function": "MemoryEnvironmentGenerator::get_env",
+    "return_type": "-> OwnedEnvironment",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 358,
+    "function": "TypeChecker<'a, 'b>::track_return_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 742,
+    "function": "BlockInfoProperty::type_result",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 69,
+    "function": "parse_in_epoch",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 511,
+    "function": "TypeSignature::is_response_type",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1120,
+    "function": "<impl CostOverflowingMath for u64>::cost_overflow_sub",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1135,
+    "function": "Value::expect_result",
+    "return_type": "-> std::result::Result<Value, Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1136,
+    "function": "TypeChecker<'a, 'b>::type_check_define_map",
+    "return_type": "-> CheckResult<(ClarityName, (TypeSignature, TypeSignature))>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 676,
+    "function": "<impl SequencedValue for UTF8Data>::items",
+    "return_type": "-> &Vec<Vec<u8>>",
+    "replacement": "&vec![vec![0]]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 845,
+    "function": "OwnedEnvironment<'a, 'hooks>::get_cost_total",
+    "return_type": "-> ExecutionCost",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 59,
+    "function": "UTF8Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 88,
+    "function": "ReadOnlyChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 962,
+    "function": "ClarityDatabase<'a>::get_miner_spend_winner",
+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 182,
+    "function": "TraitsResolver::try_parse_pre_expr",
+    "return_type": "-> Option<(DefineFunctions, Vec<&'a PreSymbolicExpression>)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 113,
+    "function": "ParseError::has_pre_expression",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 988,
+    "function": "STXBalance::has_locked_tokens_at_burn_block",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 74,
+    "function": "<impl BuildASTPass for VaryStackDepthChecker>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 503,
+    "function": "SymbolicExpression::copy_span",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 48,
+    "function": "TraitsResolver::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 88,
+    "function": "is_err_code_i128",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 513,
+    "function": "execute_with_parameters",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 97,
+    "function": "native_buff_to_uint_le::convert_to_uint_le",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 220,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_stacks_epoch_by_epoch_id",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 466,
+    "function": "RollbackWrapper<'a>::get_metadata",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from_iter([Some(String::new())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1825,
+    "function": "ContractContext::lookup_trait_definition",
+    "return_type": "-> Option<BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "Some(BTreeMap::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 295,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get",
+    "return_type": "-> Option<String>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 910,
+    "function": "Value::cons_list_unsanitized",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1341,
+    "function": "StandardPrincipalData::to_address",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 229,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_prepare_length",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 59,
+    "function": "rollback_check_pre_bottom_commit",
+    "return_type": "-> Vec<(T, String)>",
+    "replacement": "vec![(Default::default(), String::new())]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1398,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::from((Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())])))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1031,
+    "function": "ClarityDatabase<'a>::insert_microblock_pubkey_hash_height",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 579,
+    "function": "native_bitwise_left_shift",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 115,
+    "function": "DefinitionSorter::probe_for_dependencies",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1109,
+    "function": "parse_collect_diagnostics",
+    "return_type": "-> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool)",
+    "replacement": "(vec![Default::default()], vec![Default::default()], false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 189,
+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::from(Some(BTreeMap::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 219,
+    "function": "Parser<'a>::handle_open_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([None])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 594,
+    "function": "SymbolicExpression::match_literal_value",
+    "return_type": "-> Option<&Value>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 373,
+    "function": "native_bitwise_and",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1943,
+    "function": "CallStack::contains",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1044,
+    "function": "TypeChecker<'a, 'b>::get_function_type",
+    "return_type": "-> Option<FunctionType>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 712,
+    "function": "LimitedCostTracker::new_free",
+    "return_type": "-> LimitedCostTracker",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 751,
+    "function": "TypeChecker<'a, 'b>::type_check_define_persisted_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1782,
+    "function": "TupleTypeSignature::inner_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/coverage.rs",
+    "line": 104,
+    "function": "CoverageReporter::executable_lines",
+    "return_type": "-> Vec<u32>",
+    "replacement": "vec![0]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 48,
+    "function": "<impl ClarityDeserializable for String>::deserialize",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 590,
+    "function": "special_transfer_asset_v205",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 230,
+    "function": "handle_define_map",
+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/clarity.rs",
+    "line": 84,
+    "function": "<impl From for Error>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1233,
+    "function": "UTF8Data::append",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1357,
+    "function": "TypeChecker<'a, 'b>::type_check_define_persisted_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1238,
+    "function": "UTF8Data::len",
+    "return_type": "-> BufferLength",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 187,
+    "function": "<impl From for Error>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 463,
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+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 135,
+    "function": "check_special_transfer_asset",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1201,
+    "function": "ListData::is_empty",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 627,
+    "function": "<impl SequencedValue for ListData>::to_value",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 61,
+    "function": "check_special_get_balance",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs",
+    "line": 77,
+    "function": "check_special_mint_asset",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "runtime_cost",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 278,
+    "function": "eval_with_new_binding",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 716,
+    "function": "LimitedCostTracker::default_cost_contract_for_epoch",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 69,
+    "function": "parse_in_epoch",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 66,
+    "function": "native_unwrap_or_ret",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 508,
+    "function": "parse_lexed",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 474,
+    "function": "Lexer<'a>::read_utf8_encoding",
+    "return_type": "-> LexResult<Result<String, String>>",
+    "replacement": "LexResult::from(Ok(\"xyzzy\".into()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 298,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burn_block_time_for_block",
+    "return_type": "-> Option<u64>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 28,
+    "function": "check",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 425,
+    "function": "RollbackWrapper<'a>::get_block_header_hash",
+    "return_type": "-> Option<StacksBlockId>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 231,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((\"xyzzy\".into(), vec![1]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 474,
+    "function": "Lexer<'a>::read_utf8_encoding",
+    "return_type": "-> LexResult<Result<String, String>>",
+    "replacement": "LexResult::from_iter([Ok(String::new())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 537,
+    "function": "ClarityDatabase<'a>::make_metadata_key",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1165,
+    "function": "test_contract_of_no_impl",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 175,
+    "function": "ContractAnalysis::get_map_type",
+    "return_type": "-> Option<&(TypeSignature, TypeSignature)>",
+    "replacement": "Some(&(Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1388,
+    "function": "TypeSignature::parse_list_type_repr",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 358,
+    "function": "store_state_summary",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 2419,
+    "function": "make_api_reference",
+    "return_type": "-> FunctionAPI",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 571,
+    "function": "clarity2_trait_check_trait_compliance",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 390,
+    "function": "test_dynamic_dispatch_by_importing_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 563,
+    "function": "native_div",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 939,
+    "function": "FunctionSignature::canonicalize",
+    "return_type": "-> FunctionSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 974,
+    "function": "Environment<'a, 'b, 'hooks>::nest_with_caller",
+    "return_type": "-> Environment<'c, 'b, 'hooks>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contracts.rs",
+    "line": 57,
+    "function": "Contract::canonicalize_types",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 186,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_winning_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 202,
+    "function": "check_special_unwrap_err_or_ret",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 692,
+    "function": "parse_eval_bindings",
+    "return_type": "-> Result<Vec<(ClarityName, Value)>>",
+    "replacement": "Ok(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 479,
+    "function": "AssetMap::get_fungible_tokens",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 214,
+    "function": "check_special_try_ret",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 793,
+    "function": "ClarityDatabase<'a>::get_index_block_header_hash",
+    "return_type": "-> StacksBlockId",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1385,
+    "function": "TypeChecker<'a, 'b>::type_check_define_nft",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 335,
+    "function": "DefinedFunction::apply",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 309,
+    "function": "build_ast",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 685,
+    "function": "test_simple_contract_call",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 372,
+    "function": "PreSymbolicExpression::match_list",
+    "return_type": "-> Option<&[PreSymbolicExpression]>",
+    "replacement": "Some(Vec::leak(vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 199,
+    "function": "check_special_unwrap_err_or_ret",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 369,
+    "function": "DefinitionSorter::probe_for_dependencies_in_key_value_pair",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 247,
+    "function": "FunctionType::check_args_by_allowing_trait_cast_2_05",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 223,
+    "function": "ContractContext::add_private_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 231,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((String::new(), vec![0]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 77,
+    "function": "rollback_value_check",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1507,
+    "function": "TupleData::from_data_typed",
+    "return_type": "-> Result<TupleData>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 171,
+    "function": "AnalysisDatabase<'a>::get_read_only_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 474,
+    "function": "Lexer<'a>::read_utf8_encoding",
+    "return_type": "-> LexResult<Result<String, String>>",
+    "replacement": "LexResult::from_iter([Ok(\"xyzzy\".into())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 297,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from_iter([0])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 23,
+    "function": "inner_relabel",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::from_iter([1])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1813,
+    "function": "ClarityDatabase<'a>::get_nft_key_type",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 106,
+    "function": "AnalysisDatabase<'a>::load_contract",
+    "return_type": "-> Option<ContractAnalysis>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 41,
+    "function": "U128Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 145,
+    "function": "FunctionType::check_args_2_05",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1186,
+    "function": "BuffData::append",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 299,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 247,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_open_chain_tip_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 203,
+    "function": "ContractContext::add_public_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 388,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_rejection_fraction",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 578,
+    "function": "SymbolicExpression::match_atom",
+    "return_type": "-> Option<&ClarityName>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 40,
+    "function": "<impl BuildASTPass for SugarExpander>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 88,
+    "function": "ReadOnlyChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 323,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_current_block_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 102,
+    "function": "TraitContext::get_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 401,
+    "function": "<impl TryFrom for StringUTF8Length>::try_from",
+    "return_type": "-> Result<StringUTF8Length>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 353,
+    "function": "is_reserved",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
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+  {
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+    "file": "clarity/src/vm/database/sqlite.rs",
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+    "function": "sqlite_get",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 532,
+    "function": "RollbackWrapper<'a>::has_metadata_entry",
+    "return_type": "-> bool",
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+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 338,
+    "function": "RollbackWrapper<'a>::set_block_hash",
+    "return_type": "-> InterpreterResult<StacksBlockId>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 402,
+    "function": "RollbackWrapper<'a>::get_value",
+    "return_type": "-> Result<Option<ValueResult>, SerializationError>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 785,
+    "function": "clarity2_lookup_trait",
+    "return_type": "-> CheckResult<BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "CheckResult::new(BTreeMap::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 327,
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+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 767,
+    "function": "STXBalance::effective_unlock_height",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 637,
+    "function": "check_get_block_info",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 229,
+    "function": "RollbackWrapper<'a>::get_cc_special_cases_handler",
+    "return_type": "-> Option<SpecialCaseHandler>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1035,
+    "function": "Value::expect_u128",
+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 831,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::new(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 140,
+    "function": "Lexer<'a>::read_line",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1198,
+    "function": "TypeChecker<'a, 'b>::lookup_variable",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 298,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burn_block_time_for_block",
+    "return_type": "-> Option<u64>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 345,
+    "function": "Lexer<'a>::read_hex",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 525,
+    "function": "clarity2_check_functions_compatible",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 296,
+    "function": "check_special_as_max_len",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 252,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 633,
+    "function": "<impl SequencedValue for BuffData>::items",
+    "return_type": "-> &Vec<u8>",
+    "replacement": "&vec![0]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 867,
+    "function": "ClarityDatabase<'a>::get_burnchain_block_header_hash",
+    "return_type": "-> BurnchainHeaderHash",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 316,
+    "function": "ContractContext::get_persisted_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 303,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_side_store",
+    "return_type": "-> &Connection",
+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 123,
+    "function": "<impl AnalysisPass for TypeChecker<'_, '_>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 160,
+    "function": "<impl From for TypePrefix>::from",
+    "return_type": "-> TypePrefix",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1637,
+    "function": "ClarityDatabase<'a>::create_non_fungible_token",
+    "return_type": "-> NonFungibleTokenMetadata",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 121,
+    "function": "<impl StacksMessageCodec for ContractName>::consensus_serialize",
+    "return_type": "-> Result<(), codec_error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 195,
+    "function": "ContractContext::get_nft_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 504,
+    "function": "special_greater",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 188,
+    "function": "special_principal_construct",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 431,
+    "function": "ClarityDatabase<'a>::is_stack_empty",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 594,
+    "function": "SymbolicExpression::match_literal_value",
+    "return_type": "-> Option<&Value>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 307,
+    "function": "ContractInterfaceFungibleTokens::from_set",
+    "return_type": "-> Vec<Self>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 779,
+    "function": "TypeChecker<'a, 'b>::type_check_define_nft",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 893,
+    "function": "<impl CostTracker for Environment<'_, '_, '_>>::short_circuit_contract_call",
+    "return_type": "-> std::result::Result<bool, CostErrors>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1357,
+    "function": "TypeChecker<'a, 'b>::type_check_define_persisted_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 845,
+    "function": "Value::okay",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 255,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::put_all",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/types.rs",
+    "line": 55,
+    "function": "ContractAST::pre_expressions_drain",
+    "return_type": "-> PreExpressionsDrain",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 232,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_3_activation_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 955,
+    "function": "Value::string_ascii_from_bytes",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 345,
+    "function": "DefinitionSorter::probe_for_dependencies_in_list_of_wrapped_key_value_pairs",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 326,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_tokens_earned_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 167,
+    "function": "Parser<'a>::skip_to_end",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 71,
+    "function": "is_committed",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 466,
+    "function": "RollbackWrapper<'a>::get_metadata",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 463,
+    "function": "STXBalanceSnapshot<'db, 'conn>::is_v2_locked",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 943,
+    "function": "ClarityDatabase<'a>::get_burnchain_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 525,
+    "function": "clarity2_check_functions_compatible",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 170,
+    "function": "ReadOnlyChecker<'a, 'b>::check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, bool)>",
+    "replacement": "CheckResult::new((Default::default(), true))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 615,
+    "function": "<impl SequencedValue for ListData>::items",
+    "return_type": "-> &Vec<Value>",
+    "replacement": "&vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 335,
+    "function": "<impl From for TypeSignature>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 195,
+    "function": "TraitIdentifier::parse_sugared_syntax",
+    "return_type": "-> Result<(ContractName, ClarityName)>",
+    "replacement": "Ok((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 992,
+    "function": "test_at_unknown_block",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 57,
+    "function": "check_special_list_cons",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 86,
+    "function": "TraitContext::add_used_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 189,
+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::from(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 619,
+    "function": "<impl SequencedValue for ListData>::drained_items",
+    "return_type": "-> Vec<Value>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 236,
+    "function": "ContractInterfaceFunctionArg::from_function_args",
+    "return_type": "-> Vec<ContractInterfaceFunctionArg>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/coverage.rs",
+    "line": 104,
+    "function": "CoverageReporter::executable_lines",
+    "return_type": "-> Vec<u32>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 118,
+    "function": "<impl AnalysisPass for TypeChecker<'_, '_>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 281,
+    "function": "ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 50,
+    "function": "TraitContext::is_name_used",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1044,
+    "function": "TypeChecker<'a, 'b>::get_function_type",
+    "return_type": "-> Option<FunctionType>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 516,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::from(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 102,
+    "function": "<impl Error for SerializationError>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 81,
+    "function": "<impl StacksMessageCodec for ClarityName>::consensus_serialize",
+    "return_type": "-> Result<(), codec_error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 40,
+    "function": "update_expression_id",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 200,
+    "function": "check_special_stx_transfer",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1431,
+    "function": "TypeSignature::parse_string_utf8_type_repr",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 546,
+    "function": "TypeChecker<'a, 'b>::type_check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, FixedFunction)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1951,
+    "function": "ClarityDatabase<'a>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 354,
+    "function": "RollbackWrapper<'a>::get_with_proof",
+    "return_type": "-> Option<(T, Vec<u8>)>",
+    "replacement": "Some((Default::default(), vec![0]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 230,
+    "function": "ContractAnalysis::check_trait_compliance",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 141,
+    "function": "<impl Error for ParseError>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 740,
+    "function": "TypeChecker<'a, 'b>::type_check_define_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 204,
+    "function": "<impl ClarityValueSerializable for StandardPrincipalData>::serialize_write",
+    "return_type": "-> std::io::Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/maps.rs",
+    "line": 33,
+    "function": "check_special_fetch_entry",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 263,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![], 1))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 338,
+    "function": "RollbackWrapper<'a>::set_block_hash",
+    "return_type": "-> InterpreterResult<StacksBlockId>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/diagnostic.rs",
+    "line": 47,
+    "function": "Diagnostic::err",
+    "return_type": "-> Diagnostic",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1154,
+    "function": "ClarityDatabase<'a>::set_variable_unknown_descriptor",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 227,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 518,
+    "function": "special_less_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 166,
+    "function": "special_stx_transfer",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 57,
+    "function": "TypeMap::set_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 228,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_v2_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 246,
+    "function": "Lexer<'a>::read_trait_identifier",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 887,
+    "function": "TupleTypeSignature::parse_name_type_pair_list",
+    "return_type": "-> Result<TupleTypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 384,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_reward_cycle_length",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 114,
+    "function": "<impl PartialEq for IncomparableError<T>>::eq",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 820,
+    "function": "Value::none",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 89,
+    "function": "test_dynamic_dispatch_pass_trait_nested_in_let",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 23,
+    "function": "inner_relabel",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1669,
+    "function": "GlobalContext<'a, 'hooks>::special_cc_handler_execute_read_only",
+    "return_type": "-> std::result::Result<A, E>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1456,
+    "function": "<impl From for ASCIIData>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1651,
+    "function": "ClarityDatabase<'a>::load_nft",
+    "return_type": "-> Result<NonFungibleTokenMetadata>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 370,
+    "function": "DefinedFunction::get_span",
+    "return_type": "-> Span",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 682,
+    "function": "special_delete_entry_v205",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 281,
+    "function": "ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 785,
+    "function": "special_contract_of",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 93,
+    "function": "AnalysisDatabase<'a>::load_contract_non_canonical",
+    "return_type": "-> Option<ContractAnalysis>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1118,
+    "function": "Environment<'a, 'b, 'hooks>::execute_contract_allow_private",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 177,
+    "function": "make_contract_hash_key",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 728,
+    "function": "get_input_type_string",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 233,
+    "function": "ContractContext::add_map_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 899,
+    "function": "TypeChecker<'a, 'b>::track_return_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 188,
+    "function": "Parser<'a>::ignore_whitespace_and_comments",
+    "return_type": "-> Vec<PreSymbolicExpression>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 110,
+    "function": "check_special_default_to",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::from_iter([vec![1]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 130,
+    "function": "build_ast_typical",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 264,
+    "function": "check_special_unwrap_err",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1507,
+    "function": "Environment<'a, 'b, 'hooks>::register_nft_burn_event",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 768,
+    "function": "ClarityDatabase<'a>::decrement_ustx_liquid_supply",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1913,
+    "function": "LocalContext<'a>::lookup_callable_contract",
+    "return_type": "-> Option<&CallableData>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/tuples.rs",
+    "line": 47,
+    "function": "tuple_get",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 247,
+    "function": "FunctionType::check_args_by_allowing_trait_cast_2_05",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 89,
+    "function": "native_buff_to_int_le::convert_to_int_le",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 326,
+    "function": "Lexer<'a>::read_integer",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 293,
+    "function": "special_set_variable_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 379,
+    "function": "DefinitionSorter::find_expression_definition",
+    "return_type": "-> Option<(ClarityName, u64, &'b PreSymbolicExpression)>",
+    "replacement": "Some((Default::default(), 1, &Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 680,
+    "function": "STXBalanceSnapshot<'db, 'conn>::is_v3_locked",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 285,
+    "function": "PreSymbolicExpression::sugared_field_identifier",
+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1485,
+    "function": "ClarityDatabase<'a>::data_map_entry_exists",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 815,
+    "function": "OwnedEnvironment<'a, 'hooks>::eval_read_only_with_rules",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 205,
+    "function": "native_int_to_ascii",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 592,
+    "function": "ClarityDatabase<'a>::set_metadata",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 158,
+    "function": "Parser<'a>::peek_last_token",
+    "return_type": "-> ParseResult<&PlacedToken>",
+    "replacement": "ParseResult::new(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new(vec![(Default::default(), 1, 0)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 213,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_burn_start_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 368,
+    "function": "special_mint_asset_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 443,
+    "function": "<impl DiagnosableError for CheckErrors>::suggestion",
+    "return_type": "-> Option<String>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1882,
+    "function": "LocalContext<'a>::function_context",
+    "return_type": "-> &LocalContext",
+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 282,
+    "function": "<impl Debug for LimitedCostTracker>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1268,
+    "function": "<impl Debug for BuffData>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 463,
+    "function": "ClarityDatabase<'a>::put_with_size",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 108,
+    "function": "get_lines_at",
+    "return_type": "-> Vec<usize>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 87,
+    "function": "ast_check_size",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new(Default::default())",
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+  },
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+    "return_type": "-> Option<&str>",
+    "replacement": "Some(\"xyzzy\")",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 247,
+    "function": "FunctionType::check_args_by_allowing_trait_cast_2_05",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
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+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![1]",
+    "genre": "FnValue"
+  },
+  {
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+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1356,
+    "function": "TypeSignature::parent_list_type",
+    "return_type": "-> std::result::Result<ListTypeData, CheckErrors>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 359,
+    "function": "special_slice",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1301,
+    "function": "<impl ClaritySerializable for u32>::serialize",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "special_asserts",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 323,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_winning_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "line": 433,
+    "function": "Graph::edges_count",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::new(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
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+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_tokens_earned_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 348,
+    "function": "DeserializeStackItem::next_expected_type",
+    "return_type": "-> Result<Option<TypeSignature>, SerializationError>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "check_special_asserts",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "function": "STXBalance::was_locked_by_v1",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 929,
+    "function": "TypeChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 474,
+    "function": "Lexer<'a>::read_utf8_encoding",
+    "return_type": "-> LexResult<Result<String, String>>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1878,
+    "function": "ClarityDatabase<'a>::make_key_for_account_nonce",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1036,
+    "function": "test_dynamic_dispatch_pass_literal_principal_as_trait_in_user_defined_functions",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "line": 934,
+    "function": "add_cost",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 521,
+    "function": "Parser<'a>::read_principal",
+    "return_type": "-> ParseResult<PreSymbolicExpression>",
+    "replacement": "ParseResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 219,
+    "function": "RollbackWrapper<'a>::from_persisted_log",
+    "return_type": "-> RollbackWrapper",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 661,
+    "function": "TypeChecker<'a, 'b>::type_check_function_application",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 125,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burn_header_hash_for_block",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1429,
+    "function": "Environment<'a, 'b, 'hooks>::register_print_event",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 331,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::put_all",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1062,
+    "function": "Parser<'a>::parse_node_or_eof",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 51,
+    "function": "ExpressionIdentifier::run_pre_expression_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1445,
+    "function": "Environment<'a, 'b, 'hooks>::register_stx_transfer_event",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 259,
+    "function": "ContractContext::add_ft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 309,
+    "function": "build_ast",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 93,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::add_memory",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 44,
+    "function": "inner_unwrap_err",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1062,
+    "function": "Parser<'a>::parse_node_or_eof",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/coverage.rs",
+    "line": 54,
+    "function": "CoverageReporter::report_eval",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 95,
+    "function": "<impl StacksMessageCodec for ClarityName>::consensus_deserialize",
+    "return_type": "-> Result<ClarityName, codec_error>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1109,
+    "function": "parse_collect_diagnostics",
+    "return_type": "-> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool)",
+    "replacement": "(vec![], vec![Default::default()], false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/mod.rs",
+    "line": 164,
+    "function": "test_only_mainnet_to_chain_id",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 227,
+    "function": "ReadOnlyChecker<'a, 'b>::check_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1347,
+    "function": "<impl Display for StandardPrincipalData>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 247,
+    "function": "SequenceData::atom_values",
+    "return_type": "-> Vec<SymbolicExpression>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1083,
+    "function": "Parser<'a>::parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1611,
+    "function": "GlobalContext<'a, 'hooks>::log_asset_transfer",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 495,
+    "function": "RollbackWrapper<'a>::get_metadata_manual",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from(Some(String::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1035,
+    "function": "Value::expect_u128",
+    "return_type": "-> u128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1026,
+    "function": "Value::expect_ascii",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1722,
+    "function": "ListTypeData::inner_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 300,
+    "function": "<impl DiagnosableError for ParseErrors>::level",
+    "return_type": "-> crate::vm::diagnostic::Level",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 272,
+    "function": "NFTBurnEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 369,
+    "function": "DefinitionSorter::probe_for_dependencies_in_key_value_pair",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 600,
+    "function": "OwnedEnvironment<'a, 'hooks>::new_free",
+    "return_type": "-> OwnedEnvironment<'a, '_>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 244,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_rejection_fraction",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 550,
+    "function": "ClarityDatabase<'a>::make_key_for_quad",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 401,
+    "function": "check_special_index_of",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 51,
+    "function": "ExpressionIdentifier::run_pre_expression_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1136,
+    "function": "TypeChecker<'a, 'b>::type_check_define_map",
+    "return_type": "-> CheckResult<(ClarityName, (TypeSignature, TypeSignature))>",
+    "replacement": "CheckResult::from((Default::default(), (Default::default(), Default::default())))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 148,
+    "function": "special_match_opt",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 208,
+    "function": "<impl SymbolicExpressionCommon for SymbolicExpression>::set_id",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1062,
+    "function": "Parser<'a>::parse_node_or_eof",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 174,
+    "function": "inner_build_ast",
+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::new((Default::default(), vec![Default::default()], true))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/boolean.rs",
+    "line": 27,
+    "function": "type_force_bool",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 619,
+    "function": "<impl SequencedValue for ListData>::drained_items",
+    "return_type": "-> Vec<Value>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 485,
+    "function": "check_function_arg_signature",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 646,
+    "function": "TypeChecker<'a, 'b>::try_native_function_check",
+    "return_type": "-> Option<TypeResult>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 620,
+    "function": "<impl Display for SymbolicExpression>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 637,
+    "function": "<impl SequencedValue for BuffData>::drained_items",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![1]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 508,
+    "function": "parse_lexed",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
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+    "genre": "FnValue"
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+    "package": "clarity",
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+    "line": 444,
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+    "replacement": "()",
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+    "package": "clarity",
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+    "genre": "FnValue"
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+    "package": "clarity",
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+    "function": "<impl AnalysisPass for TraitChecker>::run_pass",
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+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "package": "clarity",
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+    "genre": "FnValue"
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+    "package": "clarity",
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+    "genre": "FnValue"
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "function": "trait_type_size",
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+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "line": 296,
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+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only",
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+    "replacement": "Some(CheckResult::from(true))",
+    "genre": "FnValue"
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+    "line": 1047,
+    "function": "STXBalance::has_unlockable_tokens_at_burn_block",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
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+    "genre": "FnValue"
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+    "return_type": "-> CheckResult<FunctionType>",
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+    "genre": "FnValue"
+  },
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+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1664,
+    "function": "ClarityDatabase<'a>::checked_increase_token_supply",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 650,
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+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
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+    "function": "native_try_ret",
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 716,
+    "function": "ClarityDatabase<'a>::ustx_liquid_supply_key",
+    "return_type": "-> &'static str",
+    "replacement": "\"\"",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1109,
+    "function": "parse_collect_diagnostics",
+    "return_type": "-> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool)",
+    "replacement": "(vec![], vec![], true)",
+    "genre": "FnValue"
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+    "line": 288,
+    "function": "build_ast_precheck_size",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 857,
+    "function": "TupleTypeSignature::field_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 53,
+    "function": "check_vary",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 358,
+    "function": "TypeChecker<'a, 'b>::track_return_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "special_at_block",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 128,
+    "function": "Lexer<'a>::skip_whitespace",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
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+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::from(Some(()))",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 560,
+    "function": "native_mul",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1236,
+    "function": "ClarityDatabase<'a>::lookup_variable_with_size",
+    "return_type": "-> Result<ValueResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/contracts.rs",
+    "line": 178,
+    "function": "produce_docs_refs",
+    "return_type": "-> BTreeMap<String, ContractRef>",
+    "replacement": "BTreeMap::from_iter([(String::new(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 110,
+    "function": "TraitContext::into_contract_analysis",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 262,
+    "function": "test_dynamic_dispatch_by_implementing_imported_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1339,
+    "function": "TypeSignature::literal_type_of",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 575,
+    "function": "Lexer<'a>::read_utf8_string",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 825,
+    "function": "<impl TryFrom for TupleTypeSignature>::try_from",
+    "return_type": "-> Result<TupleTypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 208,
+    "function": "AnalysisDatabase<'a>::get_implemented_traits",
+    "return_type": "-> CheckResult<BTreeSet<TraitIdentifier>>",
+    "replacement": "CheckResult::from(BTreeSet::from_iter([Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1690,
+    "function": "TypeSignature::type_size",
+    "return_type": "-> Result<u32>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1182,
+    "function": "BuffData::as_slice",
+    "return_type": "-> &[u8]",
+    "replacement": "Vec::leak(vec![0])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 163,
+    "function": "ContractAnalysis::get_public_function_type",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 354,
+    "function": "RollbackWrapper<'a>::get_with_proof",
+    "return_type": "-> Option<(T, Vec<u8>)>",
+    "replacement": "Some((Default::default(), vec![1]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/maps.rs",
+    "line": 160,
+    "function": "check_special_insert_entry",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 136,
+    "function": "ContractContext::add_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 363,
+    "function": "RollbackWrapper<'a>::get",
+    "return_type": "-> Option<T>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 181,
+    "function": "ContractInterfaceAtomType::from_type_signature",
+    "return_type": "-> ContractInterfaceAtomType",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 96,
+    "function": "ContractContext::add_public_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 66,
+    "function": "Lexer<'a>::add_diagnostic",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 185,
+    "function": "Lexer<'a>::proceed_through_error_string",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::new(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1658,
+    "function": "TypeSignature::inner_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 77,
+    "function": "ArithmeticOnlyChecker<'a>::run",
+    "return_type": "-> Result<(), Error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 265,
+    "function": "SequenceData::len",
+    "return_type": "-> usize",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 40,
+    "function": "version_matches_testnet",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 66,
+    "function": "SugarExpander::transform",
+    "return_type": "-> ParseResult<Vec<SymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 238,
+    "function": "PreSymbolicExpression::set_span",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 312,
+    "function": "ContractContext::get_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 88,
+    "function": "ReadOnlyChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 153,
+    "function": "AnalysisDatabase<'a>::get_public_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::from(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 707,
+    "function": "ClarityDatabase<'a>::get_contract",
+    "return_type": "-> Result<Contract>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 98,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::add_memory",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 111,
+    "function": "Lexer<'a>::report_line_ending",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/mod.rs",
+    "line": 50,
+    "function": "mem_type_check",
+    "return_type": "-> CheckResult<(Option<TypeSignature>, ContractAnalysis)>",
+    "replacement": "CheckResult::from_iter([(None, Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 189,
+    "function": "rollback_lookup_map",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 270,
+    "function": "LimitedCostTracker::cost_function_references",
+    "return_type": "-> HashMap<&'static ClarityCostFunction, ClarityCostFunctionReference>",
+    "replacement": "HashMap::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 119,
+    "function": "<impl Display for FunctionIdentifier>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 516,
+    "function": "ClarityDatabase<'a>::get_value",
+    "return_type": "-> Result<Option<ValueResult>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1394,
+    "function": "<impl From for StandardPrincipalData>::from",
+    "return_type": "-> StandardPrincipalData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 28,
+    "function": "inner_unwrap",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 975,
+    "function": "STXBalance::was_locked_by_v2",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 992,
+    "function": "TypeSignature::max_buffer",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 485,
+    "function": "check_function_arg_signature",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 396,
+    "function": "TypeSignature::max_serialized_size",
+    "return_type": "-> Result<u32, CheckErrors>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 86,
+    "function": "TraitContext::add_used_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 463,
+    "function": "Parser<'a>::open_tuple",
+    "return_type": "-> ParseResult<SetupTupleResult>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 733,
+    "function": "TypeSignature::canonicalize_v2_1",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 308,
+    "function": "DefinedFunction::check_trait_expectations",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 191,
+    "function": "ContractContext::ft_exists",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 485,
+    "function": "check_function_arg_signature",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 984,
+    "function": "ClarityDatabase<'a>::get_block_reward",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 178,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 792,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 339,
+    "function": "check_special_if",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 782,
+    "function": "ClarityDatabase<'a>::is_in_regtest",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 168,
+    "function": "inner_unwrap_err",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 213,
+    "function": "ContractContext::add_read_only_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1202,
+    "function": "ClarityDatabase<'a>::lookup_variable_unknown_descriptor",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 158,
+    "function": "Parser<'a>::peek_last_token",
+    "return_type": "-> ParseResult<&PlacedToken>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1341,
+    "function": "StandardPrincipalData::to_address",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1841,
+    "function": "ContractContext::get_clarity_version",
+    "return_type": "-> &ClarityVersion",
+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 91,
+    "function": "check_special_as_contract",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 146,
+    "function": "ContractContext::add_persisted_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 130,
+    "function": "build_ast_typical",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 912,
+    "function": "special_burn_token",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1427,
+    "function": "ClarityDatabase<'a>::set_entry_unknown_descriptor",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 278,
+    "function": "SequenceData::element_at",
+    "return_type": "-> Option<Value>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 212,
+    "function": "lookup_reserved_functions",
+    "return_type": "-> Option<CallableType>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 274,
+    "function": "<impl From for CheckError>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 476,
+    "function": "special_greater_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 106,
+    "function": "ContractContext::add_read_only_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 720,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1639,
+    "function": "GlobalContext<'a, 'hooks>::log_stx_burn",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 296,
+    "function": "ContractContext::add_implemented_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 434,
+    "function": "special_leq_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1760,
+    "function": "ClarityDatabase<'a>::get_ft_supply",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 115,
+    "function": "DefinitionSorter::probe_for_dependencies",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/sequences.rs",
+    "line": 319,
+    "function": "native_index_of",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/version.rs",
+    "line": 15,
+    "function": "<impl Display for ClarityVersion>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1197,
+    "function": "ListData::len",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 572,
+    "function": "native_log2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 324,
+    "function": "DefinitionSorter::probe_for_dependencies_in_define_args",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1528,
+    "function": "test_pass_embedded_trait_to_subtrait_optional",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 754,
+    "function": "STXBalance::unlock_height",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 197,
+    "function": "<impl SymbolicExpressionCommon for PreSymbolicExpression>::match_list_mut",
+    "return_type": "-> Option<&mut[PreSymbolicExpression]>",
+    "replacement": "Some(Vec::leak(vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 262,
+    "function": "<impl Error for CheckError>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 480,
+    "function": "ListTypeData::get_list_item_type",
+    "return_type": "-> &TypeSignature",
+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 357,
+    "function": "DefinitionSorter::probe_for_dependencies_in_wrapped_key_value_pairs",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1080,
+    "function": "Value::expect_buff_padded",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1559,
+    "function": "byte_len_of_serialization",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1388,
+    "function": "<impl Display for TraitIdentifier>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 388,
+    "function": "<impl From for u32>::from",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 754,
+    "function": "BlockInfoProperty::lookup_by_name_at_version",
+    "return_type": "-> Option<BlockInfoProperty>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 313,
+    "function": "PreSymbolicExpression::field_identifier",
+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 118,
+    "function": "create_principal_true_error_response",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 876,
+    "function": "<impl CostTracker for Environment<'_, '_, '_>>::add_cost",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 839,
+    "function": "contract_analysis_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from_iter([0])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 295,
+    "function": "AssetMap::add_stx_transfer",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 174,
+    "function": "inner_build_ast",
+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::new((Default::default(), vec![], false))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 659,
+    "function": "ClarityDatabase<'a>::get_contract_size",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
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+    "genre": "FnValue"
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+  {
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+    "return_type": "-> Result<Self, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 281,
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+    "replacement": "CheckResult::from(true)",
+    "genre": "FnValue"
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+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
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+    "replacement": "Ok(1)",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "ClarityDatabase<'a>::get_account_nonce",
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+    "genre": "FnValue"
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+    "line": 380,
+    "function": "PreSymbolicExpression::match_field_identifier",
+    "return_type": "-> Option<&TraitIdentifier>",
+    "replacement": "None",
+    "genre": "FnValue"
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+  {
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+    "function": "ExecutionCost::max_value",
+    "return_type": "-> ExecutionCost",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
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+    "line": 1658,
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+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 121,
+    "function": "SqliteConnection::drop_metadata",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "function": "OwnedEnvironment<'a, 'hooks>::execute_transaction",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![Default::default()], 0))",
+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "file": "clarity/src/vm/ast/parser/v1.rs",
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+    "function": "lex",
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+    "replacement": "ParseResult::from(vec![(Default::default(), 0, 0)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 317,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burnchain_tokens_spent_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 699,
+    "function": "LimitedCostTracker::new_max_limit",
+    "return_type": "-> Result<LimitedCostTracker>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
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+    "line": 455,
+    "function": "lex",
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+    "replacement": "ParseResult::from_iter([vec![(Default::default(), 0, 1)]])",
+    "genre": "FnValue"
+  },
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+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+    "line": 328,
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+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
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+    "line": 158,
+    "function": "Parser<'a>::peek_last_token",
+    "return_type": "-> ParseResult<&PlacedToken>",
+    "replacement": "ParseResult::from_iter([&Default::default()])",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "genre": "FnValue"
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+    "function": "TypeSignature::is_no_type",
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+    "genre": "FnValue"
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+    "package": "clarity",
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+    "line": 271,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burn_header_hash_for_block",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 252,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![Default::default()], 0))",
+    "genre": "FnValue"
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+    "function": "native_to_uint",
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+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
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+    "file": "clarity/src/vm/contexts.rs",
+    "line": 102,
+    "function": "AssetMap::to_json",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1290,
+    "function": "ClarityDatabase<'a>::make_key_for_data_map_entry",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "function": "check_special_as_contract",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "line": 128,
+    "function": "stx_transfer_consolidated",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 307,
+    "function": "ContractInterfaceFungibleTokens::from_set",
+    "return_type": "-> Vec<Self>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1468,
+    "function": "ClarityDatabase<'a>::insert_entry",
+    "return_type": "-> Result<ValueResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 191,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_tokens_earned_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "line": 159,
+    "function": "ContractAnalysis::add_implemented_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 185,
+    "function": "Lexer<'a>::proceed_through_error_string",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from_iter([String::new()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1136,
+    "function": "TypeChecker<'a, 'b>::type_check_define_map",
+    "return_type": "-> CheckResult<(ClarityName, (TypeSignature, TypeSignature))>",
+    "replacement": "CheckResult::from_iter([(Default::default(), (Default::default(), Default::default()))])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 131,
+    "function": "Parser<'a>::next_token",
+    "return_type": "-> Option<PlacedToken>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 279,
+    "function": "ContractContext::add_defined_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 364,
+    "function": "native_xor",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1478,
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+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "Environment<'a, 'b, 'hooks>::nest_as_principal",
+    "return_type": "-> Environment<'c, 'b, 'hooks>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 252,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![], 0))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 145,
+    "function": "inner_unwrap",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 351,
+    "function": "SequenceData::contains",
+    "return_type": "-> Result<Option<usize>>",
+    "replacement": "Ok(Some(0))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 163,
+    "function": "<impl ClaritySerializable for STXBalance>::serialize",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1301,
+    "function": "<impl ClaritySerializable for u32>::serialize",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 314,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_miner_address",
+    "return_type": "-> Option<StacksAddress>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1114,
+    "function": "Value::try_deserialize_bytes_exact",
+    "return_type": "-> Result<Value, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 96,
+    "function": "ContractContext::add_public_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 201,
+    "function": "TraitsResolver::probe_for_generics",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
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+    "line": 270,
+    "function": "handle_impl_trait",
+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 110,
+    "function": "SqliteConnection::commit_metadata_to",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "native_pow",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 319,
+    "function": "<impl DiagnosableError for CheckErrors>::message",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/clarity.rs",
+    "line": 42,
+    "function": "<impl Error for Error>::cause",
+    "return_type": "-> Option<&dyn std::error::Error>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 376,
+    "function": "STXBalanceSnapshot<'db, 'conn>::has_locked_tokens",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 205,
+    "function": "lookup_function",
+    "return_type": "-> Result<CallableType>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 332,
+    "function": "FTBurnEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 408,
+    "function": "AssetMap::to_table",
+    "return_type": "-> HashMap<PrincipalData, HashMap<AssetIdentifier, AssetMapEntry>>",
+    "replacement": "HashMap::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 574,
+    "function": "Value::inner_deserialize_read",
+    "return_type": "-> Result<Value, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 364,
+    "function": "native_xor",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 244,
+    "function": "ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/mod.rs",
+    "line": 96,
+    "function": "version_string",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 292,
+    "function": "ContractContext::add_used_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 488,
+    "function": "GraphWalker::get_cycling_dependencies",
+    "return_type": "-> Option<Vec<usize>>",
+    "replacement": "Some(vec![1])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 80,
+    "function": "native_unwrap_err_or_ret",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 192,
+    "function": "SqliteConnection::check_schema",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1551,
+    "function": "TypeSignature::parse_trait_type_repr",
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+    "replacement": "Ok(BTreeMap::from_iter([(Default::default(), Default::default())]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 434,
+    "function": "special_leq_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 181,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 740,
+    "function": "TypeChecker<'a, 'b>::type_check_define_variable",
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+    "replacement": "CheckResult::from((Default::default(), Default::default()))",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
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+    "return_type": "-> SymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 164,
+    "function": "ContractInterfaceAtomType::from_tuple_type",
+    "return_type": "-> ContractInterfaceAtomType",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 723,
+    "function": "special_get_block_info",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 227,
+    "function": "ReadOnlyChecker<'a, 'b>::check_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from_iter([true])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 400,
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+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 369,
+    "function": "DefinitionSorter::probe_for_dependencies_in_key_value_pair",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1085,
+    "function": "Value::try_deserialize_bytes",
+    "return_type": "-> Result<Value, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 175,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_miner_address",
+    "return_type": "-> Option<StacksAddress>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 462,
+    "function": "unescape_ascii_chars",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::from_iter([String::new()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 219,
+    "function": "special_stx_account",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 430,
+    "function": "ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from_iter([true])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 623,
+    "function": "<impl SequencedValue for ListData>::type_signature",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1011,
+    "function": "ClarityDatabase<'a>::set_stx_btc_ops_processed",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 171,
+    "function": "Parser<'a>::ignore_whitespace",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1882,
+    "function": "ClarityDatabase<'a>::make_key_for_account_stx_locked",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 72,
+    "function": "sqlite_has_entry",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1929,
+    "function": "<impl Display for FunctionArg>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 895,
+    "function": "test_good_call_with_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 831,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 82,
+    "function": "TypingContext<'a>::extend",
+    "return_type": "-> CheckResult<TypingContext>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1555,
+    "function": "ClarityDatabase<'a>::delete_entry",
+    "return_type": "-> Result<ValueResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 461,
+    "function": "AssetMap::get_stx_burned",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 570,
+    "function": "SymbolicExpression::match_list",
+    "return_type": "-> Option<&[SymbolicExpression]>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 209,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_sortition_id_from_consensus_hash",
+    "return_type": "-> Option<SortitionId>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 779,
+    "function": "get_output_type_string",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 56,
+    "function": "SugarExpander::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 388,
+    "function": "TypeChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 58,
+    "function": "ExpressionIdentifier::run_expression_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 184,
+    "function": "check_special_unwrap_or_ret",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 687,
+    "function": "Parser<'a>::read_sugared_principal",
+    "return_type": "-> ParseResult<PreSymbolicExpression>",
+    "replacement": "ParseResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 419,
+    "function": "special_geq",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/clarity.rs",
+    "line": 27,
+    "function": "<impl Display for Error>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 792,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::from((Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())])))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 39,
+    "function": "get_simple_native_or_user_define",
+    "return_type": "-> CheckResult<FunctionType>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 253,
+    "function": "ContractContext::add_persisted_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 421,
+    "function": "ClarityDatabase<'a>::new_with_rollback_wrapper",
+    "return_type": "-> ClarityDatabase<'a>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 575,
+    "function": "native_mod",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/maps.rs",
+    "line": 161,
+    "function": "check_special_insert_entry",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1117,
+    "function": "Value::expect_principal",
+    "return_type": "-> PrincipalData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1083,
+    "function": "Parser<'a>::parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 203,
+    "function": "ContractContext::add_public_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1004,
+    "function": "TypeChecker<'a, 'b>::type_check_consecutive_statements",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 59,
+    "function": "UTF8Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 244,
+    "function": "ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 96,
+    "function": "ContractContext::add_public_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 351,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_burn_header_hash",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 462,
+    "function": "special_leq",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 140,
+    "function": "Lexer<'a>::read_line",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::new(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 359,
+    "function": "DefinedFunction::get_arg_types",
+    "return_type": "-> &Vec<TypeSignature>",
+    "replacement": "&vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 476,
+    "function": "special_greater_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 495,
+    "function": "RollbackWrapper<'a>::get_metadata_manual",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from_iter([Some(String::new())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 84,
+    "function": "rollback_edits_push",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 219,
+    "function": "Parser<'a>::handle_open_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 832,
+    "function": "LimitedCostTracker::get_memory_limit",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 206,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_burn_header_hash",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 332,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 221,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_burn_header_hash",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 101,
+    "function": "get_value_or_err",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::new(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 2092,
+    "function": "test_pass_principal_literal_to_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 131,
+    "function": "ContractAnalysis::add_read_only_function",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 140,
+    "function": "Parser<'a>::peek_next_token",
+    "return_type": "-> PlacedToken",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 223,
+    "function": "check_special_stx_transfer_memo",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 277,
+    "function": "DefineFunctions::try_parse",
+    "return_type": "-> Option<(DefineFunctions, &[SymbolicExpression])>",
+    "replacement": "Some((Default::default(), Vec::leak(Vec::new())))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1085,
+    "function": "<impl Display for ExecutionCost>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 299,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((\"xyzzy\".into(), vec![1]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 182,
+    "function": "ReadOnlyChecker<'a, 'b>::check_reads_only_valid",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 687,
+    "function": "OwnedEnvironment<'a, 'hooks>::initialize_contract",
+    "return_type": "-> Result<((), AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok(((), Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 421,
+    "function": "Graph::get_node_descendants",
+    "return_type": "-> Vec<usize>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 146,
+    "function": "ContractContext::add_persisted_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/boolean.rs",
+    "line": 38,
+    "function": "special_or",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 247,
+    "function": "handle_define_trait",
+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from_iter([vec![(Default::default(), 1, 0)]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 601,
+    "function": "ClarityDatabase<'a>::insert_metadata",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 875,
+    "function": "Value::depth",
+    "return_type": "-> u8",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 399,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_ast_rules",
+    "return_type": "-> ASTRules",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 533,
+    "function": "SequenceData::is_list",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 195,
+    "function": "ContractAnalysis::canonicalize_types",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 59,
+    "function": "<impl AnalysisPass for ReadOnlyChecker<'a, 'b>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 971,
+    "function": "<impl CostTracker for LimitedCostTracker>::compute_cost",
+    "return_type": "-> std::result::Result<ExecutionCost, CostErrors>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1090,
+    "function": "Value::expect_bool",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 283,
+    "function": "Parser<'a>::handle_open_tuple",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1396,
+    "function": "Environment<'a, 'b, 'hooks>::run_as_transaction",
+    "return_type": "-> std::result::Result<O, E>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 794,
+    "function": "<impl PartialEq for ListData>::eq",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 462,
+    "function": "unescape_ascii_chars",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::from(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 754,
+    "function": "BlockInfoProperty::lookup_by_name_at_version",
+    "return_type": "-> Option<BlockInfoProperty>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 244,
+    "function": "ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from_iter([true])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 865,
+    "function": "TupleTypeSignature::admits",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 490,
+    "function": "SequenceData::slice",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 306,
+    "function": "PreSymbolicExpression::trait_reference",
+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 63,
+    "function": "check_special_error",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 425,
+    "function": "Graph::has_node_descendants",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1923,
+    "function": "<impl Display for StringUTF8Length>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 169,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burn_block_time_for_block",
+    "return_type": "-> Option<u64>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1311,
+    "function": "<impl ClarityDeserializable for u32>::deserialize",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1055,
+    "function": "TypeChecker<'a, 'b>::type_check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, FixedFunction)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 372,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_v2_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 388,
+    "function": "PreSymbolicExpression::match_placeholder",
+    "return_type": "-> Option<&str>",
+    "replacement": "Some(\"\")",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 273,
+    "function": "FunctionType::canonicalize",
+    "return_type": "-> FunctionType",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 909,
+    "function": "<impl CostTracker for GlobalContext<'_, '_>>::add_cost",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 74,
+    "function": "<impl BuildASTPass for VaryStackDepthChecker>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 28,
+    "function": "check",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 726,
+    "function": "OwnedEnvironment<'a, 'hooks>::initialize_contract_from_ast",
+    "return_type": "-> Result<((), AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok(((), Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 67,
+    "function": "BuffOps::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 954,
+    "function": "ClarityDatabase<'a>::get_miner_address",
+    "return_type": "-> StandardPrincipalData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 279,
+    "function": "ContractContext::add_defined_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 358,
+    "function": "TypeChecker<'a, 'b>::track_return_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 59,
+    "function": "native_unwrap",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 60,
+    "function": "<impl Error for Error>::source",
+    "return_type": "-> Option<&(dyn std::error::Error +'static)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/principals.rs",
+    "line": 846,
+    "function": "create_principal_from_strings",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 244,
+    "function": "ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 281,
+    "function": "MemoryBackingStore::as_clarity_db",
+    "return_type": "-> ClarityDatabase",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 462,
+    "function": "special_leq",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 728,
+    "function": "parse_no_stack_limit",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 364,
+    "function": "PreSymbolicExpression::match_atom",
+    "return_type": "-> Option<&ClarityName>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 133,
+    "function": "SqliteConnection::get_metadata",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 297,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::new(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 320,
+    "function": "check_special_equals",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 87,
+    "function": "get_principal",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 191,
+    "function": "ContractContext::ft_exists",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 566,
+    "function": "native_pow",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 343,
+    "function": "DefinedFunction::is_public",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 279,
+    "function": "ContractContext::add_defined_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 532,
+    "function": "RollbackWrapper<'a>::has_metadata_entry",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 291,
+    "function": "DefineFunctionsParsed<'a>::try_parse",
+    "return_type": "-> std::result::Result<Option<DefineFunctionsParsed<'a>>, CheckErrors>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1023,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::from(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/conversions.rs",
+    "line": 18,
+    "function": "check_special_to_consensus_buff",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 676,
+    "function": "<impl SequencedValue for UTF8Data>::items",
+    "return_type": "-> &Vec<Vec<u8>>",
+    "replacement": "&vec![vec![]]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/error.rs",
+    "line": 36,
+    "function": "<impl DiagnosableError for LexerError>::message",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1085,
+    "function": "ClarityDatabase<'a>::get_microblock_poison_report",
+    "return_type": "-> Option<(StandardPrincipalData, u16)>",
+    "replacement": "Some((Default::default(), 0))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 105,
+    "function": "native_buff_to_int_be",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::from(vec![0])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1126,
+    "function": "ExecutionCost::zero",
+    "return_type": "-> ExecutionCost",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 365,
+    "function": "<impl TryFrom for BufferLength>::try_from",
+    "return_type": "-> Result<BufferLength>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
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+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "genre": "FnValue"
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+  {
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+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "function": "Parser<'a>::open_tuple",
+    "return_type": "-> ParseResult<SetupTupleResult>",
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+    "genre": "FnValue"
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+    "function": "special_fetch_entry_v205",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
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+  {
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "replacement": "true",
+    "genre": "FnValue"
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+    "replacement": "ParseResult::from((Default::default(), vec![Default::default()], false))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "return_type": "-> Result<ValueResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "line": 174,
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+    "replacement": "ParseResult::new((Default::default(), vec![Default::default()], false))",
+    "genre": "FnValue"
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+  {
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+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
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+  {
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+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "ClarityDatabase<'a>::clarity_state_epoch_key",
+    "return_type": "-> &'static str",
+    "replacement": "\"xyzzy\"",
+    "genre": "FnValue"
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+    "replacement": "Ok(Default::default())",
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+    "replacement": "None",
+    "genre": "FnValue"
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+    "replacement": "None",
+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "file": "clarity/src/vm/database/clarity_db.rs",
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+    "replacement": "1",
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+    "genre": "FnValue"
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+  {
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+    "line": 206,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_burn_header_hash",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 231,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((\"xyzzy\".into(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 580,
+    "function": "ClarityDatabase<'a>::get_contract_src",
+    "return_type": "-> Option<String>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 470,
+    "function": "GraphWalker::sort_dependencies_recursion",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 164,
+    "function": "ContractContext::is_contract",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 240,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_reward_cycle_length",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 481,
+    "function": "execute_on_network",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1006,
+    "function": "ClarityDatabase<'a>::get_stx_btc_ops_processed",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 369,
+    "function": "native_bitwise_xor",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 433,
+    "function": "Graph::edges_count",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::from(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1346,
+    "function": "TypeChecker<'a, 'b>::type_check_define_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 918,
+    "function": "<impl CostTracker for GlobalContext<'_, '_>>::reset_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 705,
+    "function": "special_let",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1023,
+    "function": "TypeChecker<'a, 'b>::type_check_all",
+    "return_type": "-> CheckResult<Vec<TypeSignature>>",
+    "replacement": "CheckResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 288,
+    "function": "build_ast_precheck_size",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1912,
+    "function": "ClarityDatabase<'a>::get_stx_balance_snapshot_genesis",
+    "return_type": "-> STXBalanceSnapshot<'a, 'conn>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 984,
+    "function": "ClarityDatabase<'a>::get_block_reward",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/mod.rs",
+    "line": 64,
+    "function": "FunctionType::check_args_by_allowing_trait_cast",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 969,
+    "function": "TypeChecker<'a, 'b>::type_check_expects",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1055,
+    "function": "TypeChecker<'a, 'b>::type_check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, FixedFunction)>",
+    "replacement": "CheckResult::new((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 48,
+    "function": "<impl BuildASTPass for StackDepthChecker>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 307,
+    "function": "DefinitionSorter::probe_for_dependencies_in_tuple",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 170,
+    "function": "ReadOnlyChecker<'a, 'b>::check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, bool)>",
+    "replacement": "CheckResult::from((Default::default(), false))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 726,
+    "function": "ResponseData::type_signature",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 517,
+    "function": "RollbackWrapper<'a>::has_entry",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/error.rs",
+    "line": 67,
+    "function": "<impl DiagnosableError for LexerError>::suggestion",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/maps.rs",
+    "line": 152,
+    "function": "check_special_set_entry",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1882,
+    "function": "ClarityDatabase<'a>::make_key_for_account_stx_locked",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 52,
+    "function": "ASCIIOps::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 372,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_v2_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 902,
+    "function": "FixedFunction::total_type_size",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 340,
+    "function": "check_special_match_resp",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 129,
+    "function": "TypingContext<'a>::lookup_trait_reference_type",
+    "return_type": "-> Option<&TraitIdentifier>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 112,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::short_circuit_contract_call",
+    "return_type": "-> std::result::Result<bool, CostErrors>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1893,
+    "function": "ClarityDatabase<'a>::get_stx_balance_snapshot",
+    "return_type": "-> STXBalanceSnapshot<'a, 'conn>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 751,
+    "function": "TypeChecker<'a, 'b>::type_check_define_persisted_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 764,
+    "function": "OwnedEnvironment<'a, 'hooks>::stx_transfer",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 364,
+    "function": "PreSymbolicExpression::match_atom",
+    "return_type": "-> Option<&ClarityName>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 165,
+    "function": "ArithmeticOnlyChecker<'a>::try_native_function_check",
+    "return_type": "-> Option<Result<(), Error>>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 344,
+    "function": "check_special_if",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 560,
+    "function": "native_mul",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 44,
+    "function": "inner_unwrap_err",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 443,
+    "function": "<impl DiagnosableError for CheckErrors>::suggestion",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 187,
+    "function": "<impl ClaritySerializable for ContractCommitment>::serialize",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 490,
+    "function": "special_greater_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 66,
+    "function": "SugarExpander::transform",
+    "return_type": "-> ParseResult<Vec<SymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 268,
+    "function": "check_special_burn_asset",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 291,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::set_block_hash",
+    "return_type": "-> InterpreterResult<StacksBlockId>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 187,
+    "function": "check_special_unwrap_or_ret",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 174,
+    "function": "inner_build_ast",
+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::from((Default::default(), vec![], false))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 629,
+    "function": "native_to_uint",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 137,
+    "function": "create_principal_value_error_response",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 198,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_3_activation_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 252,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![Default::default()], 1))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 296,
+    "function": "ContractContext::add_implemented_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 160,
+    "function": "Lexer<'a>::proceed_through_error",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from_iter([String::new()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 66,
+    "function": "AnalysisDatabase<'a>::roll_back",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 154,
+    "function": "safe_convert_string_to_int",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 210,
+    "function": "native_int_to_utf8",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 368,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_v1_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 212,
+    "function": "lookup_reserved_functions",
+    "return_type": "-> Option<CallableType>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 879,
+    "function": "<impl CostTracker for Environment<'_, '_, '_>>::add_memory",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 754,
+    "function": "STXBalance::unlock_height",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 243,
+    "function": "ContractContext::add_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 771,
+    "function": "OwnedEnvironment<'a, 'hooks>::stx_faucet",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 848,
+    "function": "TupleTypeSignature::len",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 351,
+    "function": "SequenceData::contains",
+    "return_type": "-> Result<Option<usize>>",
+    "replacement": "Ok(Some(1))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 78,
+    "function": "Lexer<'a>::read_char",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 224,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_v1_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
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+    "genre": "FnValue"
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+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1262,
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+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "boot_util::boot_code_addr",
+    "return_type": "-> StacksAddress",
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+    "genre": "FnValue"
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+    "package": "clarity",
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+    "function": "<impl BuildASTPass for VaryStackDepthChecker>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "native_to_int",
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+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/clarity.rs",
+    "line": 70,
+    "function": "<impl From for Error>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 190,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_v1_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 369,
+    "function": "eval_all",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 595,
+    "function": "native_begin",
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 311,
+    "function": "Lexer<'a>::read_unsigned",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
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+    "function": "is_err_code",
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+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 56,
+    "function": "check_special_get_balance",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 153,
+    "function": "AnalysisDatabase<'a>::get_public_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::from_iter([Some(Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1062,
+    "function": "Parser<'a>::parse_node_or_eof",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 253,
+    "function": "ContractContext::add_persisted_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 174,
+    "function": "inner_build_ast",
+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::new((Default::default(), vec![], true))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 30,
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 318,
+    "function": "ContractInterfaceNonFungibleTokens::from_map",
+    "return_type": "-> Vec<Self>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 41,
+    "function": "StacksTransactionEvent::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 975,
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+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 62,
+    "function": "TraitContext::add_defined_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
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+    "file": "clarity/src/vm/representations.rs",
+    "line": 388,
+    "function": "PreSymbolicExpression::match_placeholder",
+    "return_type": "-> Option<&str>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 809,
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+    "genre": "FnValue"
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+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 388,
+    "function": "TypeChecker<'a, 'b>::run",
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+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
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+    "line": 100,
+    "function": "check_special_at_block",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 123,
+    "function": "AnalysisDatabase<'a>::insert_contract",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 394,
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+    "return_type": "-> u32",
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+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 162,
+    "function": "ContractContext::add_nft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 198,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 535,
+    "function": "TypeChecker<'a, 'b>::get_function_type",
+    "return_type": "-> Option<FunctionType>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 186,
+    "function": "ContractContext::check_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 744,
+    "function": "STXBalance::zero",
+    "return_type": "-> STXBalance",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 619,
+    "function": "OwnedEnvironment<'a, 'hooks>::new_cost_limited",
+    "return_type": "-> OwnedEnvironment<'a, '_>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 504,
+    "function": "special_greater",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 572,
+    "function": "native_log2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 101,
+    "function": "QualifiedContractIdentifier::transient",
+    "return_type": "-> QualifiedContractIdentifier",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 263,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![], 0))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 147,
+    "function": "ContractAnalysis::add_fungible_token",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 986,
+    "function": "TypeChecker<'a, 'b>::type_check",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 268,
+    "function": "<impl Error for CheckErrors>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 126,
+    "function": "ContractContext::add_map_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1483,
+    "function": "TupleData::is_empty",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 82,
+    "function": "check_special_print",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1129,
+    "function": "ClarityDatabase<'a>::create_variable",
+    "return_type": "-> DataVariableMetadata",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1182,
+    "function": "BuffData::as_slice",
+    "return_type": "-> &[u8]",
+    "replacement": "Vec::leak(Vec::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 436,
+    "function": "special_mint_asset_v205",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 263,
+    "function": "AssetMap::get_next_stx_amount",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 351,
+    "function": "TypeChecker<'a, 'b>::into_contract_analysis",
+    "return_type": "-> LimitedCostTracker",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 386,
+    "function": "STXBalanceSnapshot<'db, 'conn>::has_unlockable_tokens",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 233,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_reward_cycle_length",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 230,
+    "function": "ContractAnalysis::check_trait_compliance",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 497,
+    "function": "TypeChecker<'a, 'b>::type_check_consecutive_statements",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 126,
+    "function": "ContractContext::add_map_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 182,
+    "function": "ContractContext::get_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 271,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_burn_header_hash_for_block",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 160,
+    "function": "Lexer<'a>::proceed_through_error",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::new(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 181,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 500,
+    "function": "check_secp256k1_verify",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 219,
+    "function": "Parser<'a>::handle_open_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 145,
+    "function": "FunctionType::check_args_2_05",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 109,
+    "function": "QualifiedContractIdentifier::parse",
+    "return_type": "-> Result<QualifiedContractIdentifier>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 167,
+    "function": "ContractAnalysis::get_read_only_function_type",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 230,
+    "function": "ContractAnalysis::check_trait_compliance",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 59,
+    "function": "rollback_check_pre_bottom_commit",
+    "return_type": "-> Vec<(T, String)>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 470,
+    "function": "ListTypeData::reduce_max_len",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 958,
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+    "genre": "FnValue"
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+    "return_type": "-> CheckResult<()>",
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+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "genre": "FnValue"
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+    "return_type": "-> CheckResult<()>",
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+    "genre": "FnValue"
+  },
+  {
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+    "function": "TypeChecker<'a, 'b>::type_check_define_ft",
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+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
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+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "line": 40,
+    "function": "<impl BuildASTPass for SugarExpander>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "genre": "FnValue"
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+    "return_type": "-> std::result::Result<ExecutionCost, CostErrors>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "replacement": "()",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 495,
+    "function": "RollbackWrapper<'a>::get_metadata_manual",
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+    "replacement": "InterpreterResult::from(None)",
+    "genre": "FnValue"
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+    "line": 985,
+    "function": "test_simple_naming_system",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "line": 36,
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+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
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+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "replacement": "1",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "replacement": "()",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "return_type": "-> Vec<Vec<u8>>",
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+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 641,
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+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 620,
+    "function": "ClarityDatabase<'a>::fetch_metadata",
+    "return_type": "-> Result<Option<T>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 295,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_consensus_hash_for_block",
+    "return_type": "-> Option<ConsensusHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 664,
+    "function": "Span::zero",
+    "return_type": "-> Span",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 48,
+    "function": "<impl ClarityDeserializable for String>::deserialize",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1093,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1135,
+    "function": "Environment<'a, 'b, 'hooks>::inner_execute_contract",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 113,
+    "function": "check_special_default_to",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 210,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_stacks_epoch",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 920,
+    "function": "STXBalance::get_locked_balance_at_burn_block",
+    "return_type": "-> (u128, u64)",
+    "replacement": "(1, 0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 303,
+    "function": "formatted_expected_types",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 554,
+    "function": "native_add",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 173,
+    "function": "special_match_resp",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 160,
+    "function": "Lexer<'a>::proceed_through_error",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 182,
+    "function": "ReadOnlyChecker<'a, 'b>::check_reads_only_valid",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 525,
+    "function": "ClarityDatabase<'a>::get_with_proof",
+    "return_type": "-> Option<(T, Vec<u8>)>",
+    "replacement": "Some((Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 879,
+    "function": "ClarityDatabase<'a>::get_sortition_id_for_stacks_tip",
+    "return_type": "-> Option<SortitionId>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1385,
+    "function": "TypeChecker<'a, 'b>::type_check_define_nft",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 662,
+    "function": "check_get_burn_block_info",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 737,
+    "function": "ClarityDatabase<'a>::get_total_liquid_ustx",
+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1602,
+    "function": "ClarityDatabase<'a>::create_fungible_token",
+    "return_type": "-> FungibleTokenMetadata",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1778,
+    "function": "ClarityDatabase<'a>::get_nft_owner",
+    "return_type": "-> Result<PrincipalData>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 325,
+    "function": "test_dynamic_dispatch_by_implementing_imported_trait_mul_funcs",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 389,
+    "function": "Lexer<'a>::read_ascii_string",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 69,
+    "function": "parse_in_epoch",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![Default::default()]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 103,
+    "function": "check_special_begin",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 104,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::reset_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 185,
+    "function": "Lexer<'a>::proceed_through_error_string",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 227,
+    "function": "is_okay",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 69,
+    "function": "parse_in_epoch",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 159,
+    "function": "SqliteConnection::initialize_conn",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 62,
+    "function": "TraitContext::add_defined_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1833,
+    "function": "ContractContext::is_name_used",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 184,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_tokens_earned_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 169,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burn_block_time_for_block",
+    "return_type": "-> Option<u64>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1324,
+    "function": "PrincipalData::parse_standard_principal",
+    "return_type": "-> Result<StandardPrincipalData>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 634,
+    "function": "ClarityDatabase<'a>::fetch_metadata_manual",
+    "return_type": "-> Result<Option<T>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 530,
+    "function": "TypeChecker<'a, 'b>::type_check_function_type",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 102,
+    "function": "TraitContext::get_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "Some(&BTreeMap::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 219,
+    "function": "Parser<'a>::handle_open_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 281,
+    "function": "ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::new(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1826,
+    "function": "ClarityDatabase<'a>::set_nft_owner",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 84,
+    "function": "AnalysisDatabase<'a>::has_contract",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 183,
+    "function": "ContractAnalysis::get_persisted_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 495,
+    "function": "RollbackWrapper<'a>::get_metadata_manual",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from(Some(\"xyzzy\".into()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 813,
+    "function": "ClarityDatabase<'a>::get_pox_3_activation_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/diagnostic.rs",
+    "line": 56,
+    "function": "Diagnostic::add_span",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 126,
+    "function": "ContractAnalysis::add_persisted_variable_type",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1099,
+    "function": "<impl FromSql for ExecutionCost>::column_result",
+    "return_type": "-> FromSqlResult<ExecutionCost>",
+    "replacement": "FromSqlResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1658,
+    "function": "TypeSignature::inner_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 581,
+    "function": "<impl Display for UTF8Data>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 203,
+    "function": "check_special_concat",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 258,
+    "function": "native_default_to",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1153,
+    "function": "ExecutionCost::proportion_dot_product",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 381,
+    "function": "native_bitwise_not",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 106,
+    "function": "AnalysisDatabase<'a>::load_contract",
+    "return_type": "-> Option<ContractAnalysis>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1178,
+    "function": "BuffData::len",
+    "return_type": "-> BufferLength",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 160,
+    "function": "Lexer<'a>::proceed_through_error",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 53,
+    "function": "parse",
+    "return_type": "-> Result<Vec<SymbolicExpression>, Error>",
+    "replacement": "Ok(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 103,
+    "function": "build_ast_with_rules",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 653,
+    "function": "<impl SequencedValue for ASCIIData>::items",
+    "return_type": "-> &Vec<u8>",
+    "replacement": "&vec![0]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 224,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_v1_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 518,
+    "function": "special_less_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1414,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::new(Some(()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 785,
+    "function": "clarity2_lookup_trait",
+    "return_type": "-> CheckResult<BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "CheckResult::from_iter([BTreeMap::new()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 256,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_ast_rules",
+    "return_type": "-> ASTRules",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 153,
+    "function": "SqliteConnection::has_entry",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1814,
+    "function": "ContractContext::lookup_variable",
+    "return_type": "-> Option<&Value>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1093,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 926,
+    "function": "<impl CostTracker for GlobalContext<'_, '_>>::short_circuit_contract_call",
+    "return_type": "-> std::result::Result<bool, CostErrors>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 332,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 182,
+    "function": "ContractContext::get_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "Some(&BTreeMap::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 166,
+    "function": "safe_convert_string_to_uint",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 61,
+    "function": "ContractContext::check_name_used",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1502,
+    "function": "ClarityDatabase<'a>::inner_set_entry",
+    "return_type": "-> Result<ValueResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1749,
+    "function": "GlobalContext<'a, 'hooks>::roll_back",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from(vec![(Default::default(), 1, 1)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/error.rs",
+    "line": 36,
+    "function": "<impl DiagnosableError for LexerError>::message",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 430,
+    "function": "ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1878,
+    "function": "LocalContext<'a>::depth",
+    "return_type": "-> u16",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 40,
+    "function": "update_expression_id",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 139,
+    "function": "SequenceSubtype::is_list_type",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1183,
+    "function": "Value::serialize_to_hex",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 61,
+    "function": "execute_on_network",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 457,
+    "function": "AssetMap::get_stx",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 135,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_vrf_seed_for_block",
+    "return_type": "-> Option<VRFSeed>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 807,
+    "function": "Parser<'a>::parse_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([None])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 52,
+    "function": "ASCIIOps::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1136,
+    "function": "TypeChecker<'a, 'b>::type_check_define_map",
+    "return_type": "-> CheckResult<(ClarityName, (TypeSignature, TypeSignature))>",
+    "replacement": "CheckResult::new((Default::default(), (Default::default(), Default::default())))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 979,
+    "function": "special_burn_asset_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 211,
+    "function": "<impl SymbolicExpressionCommon for SymbolicExpression>::match_list_mut",
+    "return_type": "-> Option<&mut[SymbolicExpression]>",
+    "replacement": "Some(Vec::leak(Vec::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 48,
+    "function": "AnalysisDatabase<'a>::execute",
+    "return_type": "-> Result<T, E>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 401,
+    "function": "check_special_index_of",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1117,
+    "function": "<impl CostOverflowingMath for u64>::cost_overflow_add",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 348,
+    "function": "PreSymbolicExpression::match_trait_reference",
+    "return_type": "-> Option<&ClarityName>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1398,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::from((Default::default(), BTreeMap::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1690,
+    "function": "TypeSignature::type_size",
+    "return_type": "-> Result<u32>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1852,
+    "function": "<impl Display for TupleTypeSignature>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1551,
+    "function": "TypeSignature::parse_trait_type_repr",
+    "return_type": "-> Result<BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "Ok(BTreeMap::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1476,
+    "function": "TypeSignature::parse_response_type_repr",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 67,
+    "function": "BuffOps::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 462,
+    "function": "unescape_ascii_chars",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::new(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 973,
+    "function": "ClarityDatabase<'a>::get_miner_spend_total",
+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 93,
+    "function": "check_special_at_block",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 826,
+    "function": "LimitedCostTracker::get_memory",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 396,
+    "function": "PreSymbolicExpression::match_comment",
+    "return_type": "-> Option<&str>",
+    "replacement": "Some(\"xyzzy\")",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 262,
+    "function": "<impl Error for CheckError>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/variables.rs",
+    "line": 44,
+    "function": "NativeVariables::lookup_by_name_at_version",
+    "return_type": "-> Option<NativeVariables>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 327,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_cc_special_cases_handler",
+    "return_type": "-> Option<SpecialCaseHandler>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 535,
+    "function": "Value::deserialize_read_count",
+    "return_type": "-> Result<(Value, u64), SerializationError>",
+    "replacement": "Ok((Default::default(), 0))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 157,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_stacks_block_header_hash_for_block",
+    "return_type": "-> Option<BlockHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 35,
+    "function": "check_special_okay",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1947,
+    "function": "CallStack::insert",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 672,
+    "function": "handle_binding_list",
+    "return_type": "-> std::result::Result<(), E>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 177,
+    "function": "ContractContext::add_implemented_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 853,
+    "function": "TupleTypeSignature::is_empty",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 845,
+    "function": "type_reserved_variable",
+    "return_type": "-> Option<TypeSignature>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 106,
+    "function": "ContractContext::add_read_only_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 354,
+    "function": "RollbackWrapper<'a>::get_with_proof",
+    "return_type": "-> Option<(T, Vec<u8>)>",
+    "replacement": "Some((Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 311,
+    "function": "Lexer<'a>::read_unsigned",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 140,
+    "function": "Lexer<'a>::read_line",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 108,
+    "function": "get_lines_at",
+    "return_type": "-> Vec<usize>",
+    "replacement": "vec![1]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/version.rs",
+    "line": 46,
+    "function": "<impl FromStr for ClarityVersion>::from_str",
+    "return_type": "-> Result<ClarityVersion, Error>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/mod.rs",
+    "line": 64,
+    "function": "FunctionType::check_args_by_allowing_trait_cast",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 46,
+    "function": "check_special_some",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 535,
+    "function": "TypeSignature::admits_type_v2_0",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 988,
+    "function": "STXBalance::has_locked_tokens_at_burn_block",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 462,
+    "function": "unescape_ascii_chars",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::new(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 203,
+    "function": "ContractContext::add_public_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 285,
+    "function": "MemoryBackingStore::as_analysis_db",
+    "return_type": "-> AnalysisDatabase",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 95,
+    "function": "check_special_is_optional",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 59,
+    "function": "UTF8Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 918,
+    "function": "Value::cons_list",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 434,
+    "function": "special_leq_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1447,
+    "function": "ClarityDatabase<'a>::insert_entry_unknown_descriptor",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 518,
+    "function": "special_less_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 388,
+    "function": "TypeChecker<'a, 'b>::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/datamaps.rs",
+    "line": 689,
+    "function": "make_tuple",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 187,
+    "function": "<impl ClaritySerializable for ContractCommitment>::serialize",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1766,
+    "function": "TupleTypeSignature::size",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 268,
+    "function": "ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only",
+    "return_type": "-> Option<CheckResult<bool>>",
+    "replacement": "Some(CheckResult::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1325,
+    "function": "<impl StacksMessageCodec for Value>::consensus_serialize",
+    "return_type": "-> Result<(), codec_error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 569,
+    "function": "native_sqrti",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 792,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), BTreeMap::new())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 88,
+    "function": "is_err_code_i128",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 856,
+    "function": "OwnedEnvironment<'a, 'hooks>::add_eval_hook",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 261,
+    "function": "FunctionReturnsSignature::canonicalize",
+    "return_type": "-> FunctionReturnsSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/variables.rs",
+    "line": 44,
+    "function": "NativeVariables::lookup_by_name_at_version",
+    "return_type": "-> Option<NativeVariables>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 208,
+    "function": "AnalysisDatabase<'a>::get_implemented_traits",
+    "return_type": "-> CheckResult<BTreeSet<TraitIdentifier>>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 193,
+    "function": "<impl From for Error>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1748,
+    "function": "TupleTypeSignature::type_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 396,
+    "function": "PreSymbolicExpression::match_comment",
+    "return_type": "-> Option<&str>",
+    "replacement": "Some(\"\")",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 147,
+    "function": "<impl From for ParseError>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1646,
+    "function": "GlobalContext<'a, 'hooks>::execute",
+    "return_type": "-> Result<T>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 268,
+    "function": "ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only",
+    "return_type": "-> Option<CheckResult<bool>>",
+    "replacement": "Some(CheckResult::from_iter([true]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 181,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_winning_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 184,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_tokens_earned_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1472,
+    "function": "Environment<'a, 'b, 'hooks>::register_nft_transfer_event",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 466,
+    "function": "RollbackWrapper<'a>::get_metadata",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from_iter([None])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 2583,
+    "function": "make_define_reference",
+    "return_type": "-> FunctionAPI",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1007,
+    "function": "TypeSignature::bound_string_ascii_type",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 28,
+    "function": "check",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 511,
+    "function": "TypeSignature::is_response_type",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 96,
+    "function": "ArithmeticOnlyChecker<'a>::check_top_levels",
+    "return_type": "-> Result<(), Error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 524,
+    "function": "TypeSignature::admits_type",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 476,
+    "function": "special_greater_v1",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 767,
+    "function": "STXBalance::effective_unlock_height",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/trait_checker/mod.rs",
+    "line": 39,
+    "function": "<impl AnalysisPass for TraitChecker>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 116,
+    "function": "<impl From for Value>::from",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/contracts.rs",
+    "line": 178,
+    "function": "produce_docs_refs",
+    "return_type": "-> BTreeMap<String, ContractRef>",
+    "replacement": "BTreeMap::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 840,
+    "function": "special_get_burn_block_info",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 534,
+    "function": "SymbolicExpression::literal_value",
+    "return_type": "-> SymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from_iter([vec![(Default::default(), 1, 1)]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 462,
+    "function": "unescape_ascii_chars",
+    "return_type": "-> ParseResult<String>",
+    "replacement": "ParseResult::from_iter([\"xyzzy\".into()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1299,
+    "function": "Environment<'a, 'b, 'hooks>::initialize_contract_from_ast",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 65,
+    "function": "TypeMap::get_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 575,
+    "function": "native_mod",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 346,
+    "function": "FunctionType::clarity2_principal_to_callable_type",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 102,
+    "function": "TraitContext::get_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "Some(&BTreeMap::from_iter([(Default::default(), Default::default())]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 896,
+    "function": "TupleTypeSignature::shallow_merge",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 305,
+    "function": "type_reserved_variable",
+    "return_type": "-> Option<TypeSignature>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from(vec![(Default::default(), 0, 0)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 785,
+    "function": "clarity2_lookup_trait",
+    "return_type": "-> CheckResult<BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "CheckResult::from(BTreeMap::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "replacement": "None",
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+    "genre": "FnValue"
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+    "return_type": "-> Option<VRFSeed>",
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+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "genre": "FnValue"
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+    "replacement": "()",
+    "genre": "FnValue"
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+    "function": "ReadOnlyChecker<'a, 'b>::check_read_only",
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+    "replacement": "CheckResult::from_iter([false])",
+    "genre": "FnValue"
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+    "return_type": "-> AssetIdentifier",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
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+    "function": "native_mul",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 525,
+    "function": "ClarityDatabase<'a>::get_with_proof",
+    "return_type": "-> Option<(T, Vec<u8>)>",
+    "replacement": "Some((Default::default(), vec![1]))",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 213,
+    "function": "ContractContext::add_read_only_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
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+  {
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+    "replacement": "()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_block_at_height",
+    "return_type": "-> Option<StacksBlockId>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "check_vary",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 156,
+    "function": "FunctionType::check_args_2_1",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 208,
+    "function": "AnalysisDatabase<'a>::get_implemented_traits",
+    "return_type": "-> CheckResult<BTreeSet<TraitIdentifier>>",
+    "replacement": "CheckResult::new(BTreeSet::from_iter([Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 281,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_vrf_seed_for_block",
+    "return_type": "-> Option<VRFSeed>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 197,
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+    "return_type": "-> Option<&mut[PreSymbolicExpression]>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "add_memory",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 971,
+    "function": "STXBalance::was_locked_by_v1",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "inner_handle_tuple_get",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 864,
+    "function": "TypedNativeFunction::type_native_function::parse_principal_basic_type",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 291,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::set_block_hash",
+    "return_type": "-> InterpreterResult<StacksBlockId>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 333,
+    "function": "ContractInterfaceVariable::from_map",
+    "return_type": "-> Vec<ContractInterfaceVariable>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "ContractContext::add_map_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1891,
+    "function": "test_pass_embedded_trait_to_subtrait_option_list",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 160,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burn_block_height_for_block",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 55,
+    "function": "is_reserved_name",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "tx_sponsor_contract_asserts",
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+    "replacement": "()",
+    "genre": "FnValue"
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+  {
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+    "function": "native_sqrti",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
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+    "function": "TypeChecker<'a, 'b>::type_check_define_persisted_variable",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new((Default::default(), Default::default()))",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 167,
+    "function": "ContractAnalysis::get_read_only_function_type",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 129,
+    "function": "TypingContext<'a>::lookup_trait_reference_type",
+    "return_type": "-> Option<&TraitIdentifier>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
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+    "function": "I128Ops::make_value",
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+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1848,
+    "function": "ContractContext::canonicalize_types",
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+    "replacement": "()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_rejection_fraction",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 175,
+    "function": "ContractAnalysis::get_map_type",
+    "return_type": "-> Option<&(TypeSignature, TypeSignature)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 536,
+    "function": "test_dynamic_dispatch_mismatched_args",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 1409,
+    "function": "TypeSignature::parse_tuple_type_repr",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 69,
+    "function": "special_contract_call",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/mod.rs",
+    "line": 164,
+    "function": "test_only_mainnet_to_chain_id",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 87,
+    "function": "ast_check_size",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
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+    "function": "TypeChecker<'a, 'b>::type_check_define_function",
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+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
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+    "file": "clarity/src/vm/contexts.rs",
+    "line": 408,
+    "function": "AssetMap::to_table",
+    "return_type": "-> HashMap<PrincipalData, HashMap<AssetIdentifier, AssetMapEntry>>",
+    "replacement": "HashMap::from_iter([(Default::default(), HashMap::from_iter([(Default::default(), Default::default())]))])",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "TypeMap::get_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "native_add",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
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+    "function": "<impl SequencedValue for BuffData>::drained_items",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 299,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((String::new(), vec![0]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 532,
+    "function": "special_less_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
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+    "return_type": "-> Option<StacksBlockId>",
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+    "genre": "FnValue"
+  },
+  {
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+    "return_type": "-> Option<String>",
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+  },
+  {
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+    "replacement": "vec![0]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "replacement": "true",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+  },
+  {
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+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
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+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 354,
+    "function": "ContractInterfaceMap::from_map",
+    "return_type": "-> Vec<ContractInterfaceMap>",
+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 116,
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+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
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+    "function": "int_log2",
+    "return_type": "-> Option<u64>",
+    "replacement": "None",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "handle_define_function",
+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "return_type": "-> Environment<'b, 'a, 'hooks>",
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+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "return_type": "-> Vec<Vec<u8>>",
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+    "genre": "FnValue"
+  },
+  {
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+    "replacement": "()",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "return_type": "-> CheckResult<(Option<TypeSignature>, ContractAnalysis)>",
+    "replacement": "CheckResult::new((None, Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "PreSymbolicExpression::sugared_contract_identifier",
+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "BuffData::as_slice",
+    "return_type": "-> &[u8]",
+    "replacement": "Vec::leak(vec![1])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "AnalysisDatabase<'a>::get_defined_trait",
+    "return_type": "-> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "return_type": "-> &Vec<u8>",
+    "replacement": "&vec![]",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 292,
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+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "ContractContext::add_map_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1019,
+    "function": "ClarityDatabase<'a>::make_microblock_pubkey_height_key",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::new(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 170,
+    "function": "ReadOnlyChecker<'a, 'b>::check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, bool)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), true)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 377,
+    "function": "native_bitwise_or",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 215,
+    "function": "AnalysisDatabase<'a>::destroy",
+    "return_type": "-> RollbackWrapper<'a>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 351,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_burn_header_hash",
+    "return_type": "-> Option<BurnchainHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 504,
+    "function": "special_greater",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 66,
+    "function": "SugarExpander::transform",
+    "return_type": "-> ParseResult<Vec<SymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 546,
+    "function": "TypeChecker<'a, 'b>::type_check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, FixedFunction)>",
+    "replacement": "CheckResult::new((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/mod.rs",
+    "line": 64,
+    "function": "FunctionType::check_args_by_allowing_trait_cast",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 231,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((String::new(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 720,
+    "function": "parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 363,
+    "function": "DefinedFunction::canonicalize_types",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 186,
+    "function": "ContractContext::check_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 299,
+    "function": "PreSymbolicExpression::atom",
+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 224,
+    "function": "<impl Display for CheckErrors>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 637,
+    "function": "<impl SequencedValue for BuffData>::drained_items",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![0]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs",
+    "line": 140,
+    "function": "check_special_transfer_asset",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/types.rs",
+    "line": 63,
+    "function": "ContractAST::add_implemented_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 170,
+    "function": "ReadOnlyChecker<'a, 'b>::check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, bool)>",
+    "replacement": "CheckResult::from_iter([(Default::default(), false)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 153,
+    "function": "build_ast_with_diagnostics",
+    "return_type": "-> (ContractAST, Vec<Diagnostic>, bool)",
+    "replacement": "(Default::default(), vec![], false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 82,
+    "function": "TypingContext<'a>::extend",
+    "return_type": "-> CheckResult<TypingContext>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 84,
+    "function": "ContractContext::ft_exists",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 141,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_stacks_block_header_hash_for_block",
+    "return_type": "-> Option<BlockHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 920,
+    "function": "STXBalance::get_locked_balance_at_burn_block",
+    "return_type": "-> (u128, u64)",
+    "replacement": "(0, 1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 779,
+    "function": "TypeChecker<'a, 'b>::type_check_define_nft",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::new((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 802,
+    "function": "ClarityDatabase<'a>::get_current_block_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 420,
+    "function": "STXBalanceSnapshot<'db, 'conn>::set_balance",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 194,
+    "function": "ContractContext::get_persisted_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 162,
+    "function": "ContractContext::add_nft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/errors.rs",
+    "line": 122,
+    "function": "ParseError::set_pre_expressions",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 365,
+    "function": "check_contract_call",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 813,
+    "function": "ClarityDatabase<'a>::get_pox_3_activation_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 75,
+    "function": "check_special_print",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 831,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::new(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1414,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::from(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/trait_checker/mod.rs",
+    "line": 55,
+    "function": "TraitChecker::run",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 412,
+    "function": "Graph::add_node",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 620,
+    "function": "ClarityDatabase<'a>::fetch_metadata",
+    "return_type": "-> Result<Option<T>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/mod.rs",
+    "line": 64,
+    "function": "FunctionType::check_args_by_allowing_trait_cast",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 34,
+    "function": "test_dynamic_dispatch_by_defining_trait",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 54,
+    "function": "DefinitionSorter::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 66,
+    "function": "SugarExpander::transform",
+    "return_type": "-> ParseResult<Vec<SymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![Default::default()]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 690,
+    "function": "<impl SequencedValue for UTF8Data>::to_value",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 51,
+    "function": "ExpressionIdentifier::run_pre_expression_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from(vec![(Default::default(), 1, 1)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 203,
+    "function": "SqliteConnection::inner_open",
+    "return_type": "-> Result<Connection>",
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+    "package": "clarity",
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+    "replacement": "0",
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+    "genre": "FnValue"
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+    "package": "clarity",
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+    "genre": "FnValue"
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+    "package": "clarity",
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+    "line": 389,
+    "function": "ContractInterface::serialize",
+    "return_type": "-> String",
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+    "genre": "FnValue"
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+  {
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+    "package": "clarity",
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+    "genre": "FnValue"
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+    "replacement": "&BTreeMap::new()",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "function": "ClarityDatabase<'a>::fetch_entry",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 236,
+    "function": "ContractInterfaceFunctionArg::from_function_args",
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+    "replacement": "vec![Default::default()]",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 1951,
+    "function": "ClarityDatabase<'a>::get_burn_block_height",
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+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
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+    "genre": "FnValue"
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+    "package": "clarity",
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+    "line": 150,
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+    "return_type": "-> RollbackWrapperPersistedLog",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
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+    "line": 726,
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+    "replacement": "Ok(((), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "replacement": "CheckResult::from(BTreeMap::from_iter([(Default::default(), Default::default())]))",
+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "function": "<impl CostOverflowingMath for u64>::cost_overflow_sub",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 1047,
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+    "genre": "FnValue"
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+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "execute",
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+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1065,
+    "function": "TypeSignature::least_supertype_v2_0",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 389,
+    "function": "Lexer<'a>::read_ascii_string",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new()",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 252,
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+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "genre": "FnValue"
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+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
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+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
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+    "function": "inner_build_ast",
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+    "replacement": "ParseResult::from_iter([(Default::default(), vec![Default::default()], true)])",
+    "genre": "FnValue"
+  },
+  {
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+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 495,
+    "function": "RollbackWrapper<'a>::get_metadata_manual",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
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+    "function": "SymbolicExpression::match_list",
+    "return_type": "-> Option<&[SymbolicExpression]>",
+    "replacement": "Some(Vec::leak(vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "depth_traverse",
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+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
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+    "function": "<impl HeadersDB for NullHeadersDB>::get_stacks_block_header_hash_for_block",
+    "return_type": "-> Option<BlockHeaderHash>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
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+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_stacks_epoch",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "is_separator",
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+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 160,
+    "function": "Lexer<'a>::proceed_through_error",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "<impl CostTracker for &mut LimitedCostTracker>::add_memory",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "replacement": "()",
+    "genre": "FnValue"
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+    "package": "clarity",
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+    "function": "native_element_at",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
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+    "function": "TypeChecker<'a, 'b>::inner_type_check",
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+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 326,
+    "function": "Lexer<'a>::read_integer",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
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+    "package": "clarity",
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+    "function": "special_geq_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 764,
+    "function": "OwnedEnvironment<'a, 'hooks>::stx_transfer",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "check_special_unwrap",
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+    "replacement": "Default::default()",
+    "genre": "FnValue"
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+  {
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+    "function": "TraitIdentifier::parse_fully_qualified",
+    "return_type": "-> Result<TraitIdentifier>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 354,
+    "function": "RollbackWrapper<'a>::get_with_proof",
+    "return_type": "-> Option<(T, Vec<u8>)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 575,
+    "function": "Lexer<'a>::read_utf8_string",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 349,
+    "function": "check_special_len",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 604,
+    "function": "native_bitwise_right_shift",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 351,
+    "function": "DefinedFunction::get_identifier",
+    "return_type": "-> FunctionIdentifier",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 593,
+    "function": "test_dynamic_dispatch_mismatched_returned",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "BuffOps::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 548,
+    "function": "TypedNativeFunction::type_native_function",
+    "return_type": "-> TypedNativeFunction",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/error.rs",
+    "line": 71,
+    "function": "<impl DiagnosableError for LexerError>::level",
+    "return_type": "-> crate::vm::diagnostic::Level",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 198,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_3_activation_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 172,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_consensus_hash_for_block",
+    "return_type": "-> Option<ConsensusHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1771,
+    "function": "TupleTypeSignature::max_depth",
+    "return_type": "-> u8",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1071,
+    "function": "Value::expect_list",
+    "return_type": "-> Vec<Value>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 54,
+    "function": "DefinitionSorter::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1156,
+    "function": "TypeChecker<'a, 'b>::try_native_function_check",
+    "return_type": "-> Option<TypeResult>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/mod.rs",
+    "line": 2570,
+    "function": "make_for_define",
+    "return_type": "-> FunctionAPI",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 766,
+    "function": "TypeChecker<'a, 'b>::type_check_define_ft",
+    "return_type": "-> CheckResult<ClarityName>",
+    "replacement": "CheckResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 92,
+    "function": "check_special_is_optional",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs",
+    "line": 244,
+    "function": "check_special_burn_token",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 258,
+    "function": "PreSymbolicExpression::copy_span",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 801,
+    "function": "STXBalance::amount_unlocked",
+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/mod.rs",
+    "line": 50,
+    "function": "mem_type_check",
+    "return_type": "-> CheckResult<(Option<TypeSignature>, ContractAnalysis)>",
+    "replacement": "CheckResult::new((Some(Default::default()), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1812,
+    "function": "parse_name_type_pairs",
+    "return_type": "-> Result<Vec<(ClarityName, TypeSignature)>>",
+    "replacement": "Ok(vec![(Default::default(), Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 752,
+    "function": "OwnedEnvironment<'a, 'hooks>::execute_transaction",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 223,
+    "function": "NFTTransferEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1053,
+    "function": "Value::expect_buff",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 369,
+    "function": "test_fully_qualified_contract_call",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 101,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::drop_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 463,
+    "function": "STXBalanceSnapshot<'db, 'conn>::is_v2_locked",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/contracts.rs",
+    "line": 95,
+    "function": "make_docs",
+    "return_type": "-> ContractRef",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 604,
+    "function": "native_bitwise_right_shift",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 206,
+    "function": "handle_define_fungible_token",
+    "return_type": "-> Result<DefineResult>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/trait_checker/mod.rs",
+    "line": 39,
+    "function": "<impl AnalysisPass for TraitChecker>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 389,
+    "function": "ContractInterface::serialize",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 801,
+    "function": "STXBalance::amount_unlocked",
+    "return_type": "-> u128",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 556,
+    "function": "OwnedEnvironment<'a, 'hooks>::new_toplevel",
+    "return_type": "-> OwnedEnvironment<'a, '_>",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 133,
+    "function": "SqliteConnection::get_metadata",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 832,
+    "function": "LimitedCostTracker::get_memory_limit",
+    "return_type": "-> u64",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 155,
+    "function": "special_principal_destruct",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1771,
+    "function": "TupleTypeSignature::max_depth",
+    "return_type": "-> u8",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 246,
+    "function": "native_is_err",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 792,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::new((Default::default(), BTreeMap::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 201,
+    "function": "TraitsResolver::probe_for_generics",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 225,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_stacks_epoch",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 687,
+    "function": "Parser<'a>::read_sugared_principal",
+    "return_type": "-> ParseResult<PreSymbolicExpression>",
+    "replacement": "ParseResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 133,
+    "function": "SqliteConnection::get_metadata",
+    "return_type": "-> Option<String>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 384,
+    "function": "RollbackWrapper<'a>::deserialize_value",
+    "return_type": "-> Result<ValueResult, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1053,
+    "function": "Value::expect_buff",
+    "return_type": "-> Vec<u8>",
+    "replacement": "vec![0]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 116,
+    "function": "ContractContext::add_private_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 112,
+    "function": "ReadOnlyChecker<'a, 'b>::check_top_level_expression",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 560,
+    "function": "native_mul",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 304,
+    "function": "ContractContext::get_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "Some(&BTreeMap::from_iter([(Default::default(), Default::default())]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/mod.rs",
+    "line": 569,
+    "function": "execute_v2",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 78,
+    "function": "<impl Display for SerializationError>::fmt",
+    "return_type": "-> std::fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 48,
+    "function": "TraitsResolver::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/assets.rs",
+    "line": 935,
+    "function": "test_overlapping_nfts",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/sequences.rs",
+    "line": 56,
+    "function": "special_filter",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 469,
+    "function": "special_set_entry_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 379,
+    "function": "DefinitionSorter::find_expression_definition",
+    "return_type": "-> Option<(ClarityName, u64, &'b PreSymbolicExpression)>",
+    "replacement": "Some((Default::default(), 0, &Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 107,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::short_circuit_contract_call",
+    "return_type": "-> std::result::Result<bool, CostErrors>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 538,
+    "function": "STXBalanceSnapshot<'db, 'conn>::lock_tokens_v2",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1191,
+    "function": "BuffData::empty",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 218,
+    "function": "to_consensus_buff",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 464,
+    "function": "ListTypeData::destruct",
+    "return_type": "-> (TypeSignature, u32)",
+    "replacement": "(Default::default(), 1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1197,
+    "function": "ListData::len",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1083,
+    "function": "Parser<'a>::parse",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 348,
+    "function": "SmartContractEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 50,
+    "function": "sqlite_get",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 189,
+    "function": "rollback_lookup_map",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 244,
+    "function": "ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from_iter([false])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 137,
+    "function": "AnalysisDatabase<'a>::get_clarity_version",
+    "return_type": "-> CheckResult<ClarityVersion>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 364,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_stacks_epoch_by_epoch_id",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 65,
+    "function": "DefinitionSorter::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1126,
+    "function": "Value::expect_callable",
+    "return_type": "-> CallableData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 444,
+    "function": "ListTypeData::new_list",
+    "return_type": "-> Result<ListTypeData>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 170,
+    "function": "ReadOnlyChecker<'a, 'b>::check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, bool)>",
+    "replacement": "CheckResult::new((Default::default(), false))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 829,
+    "function": "OwnedEnvironment<'a, 'hooks>::eval_read_only",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 174,
+    "function": "ArithmeticOnlyChecker<'a>::check_native_function",
+    "return_type": "-> Result<(), Error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 66,
+    "function": "SugarExpander::transform",
+    "return_type": "-> ParseResult<Vec<SymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 114,
+    "function": "<impl From for SerializationError>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 563,
+    "function": "native_div",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 716,
+    "function": "LimitedCostTracker::default_cost_contract_for_epoch",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 69,
+    "function": "parse_in_epoch",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([vec![]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1007,
+    "function": "Value::string_utf8_from_bytes",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 466,
+    "function": "RollbackWrapper<'a>::get_metadata",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::new(Some(\"xyzzy\".into()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1600,
+    "function": "test_pass_embedded_trait_to_subtrait_ok",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 425,
+    "function": "RollbackWrapper<'a>::get_block_header_hash",
+    "return_type": "-> Option<StacksBlockId>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 41,
+    "function": "U128Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 891,
+    "function": "compute_cost",
+    "return_type": "-> Result<ExecutionCost>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 563,
+    "function": "native_div",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 331,
+    "function": "DefinedFunction::is_read_only",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 168,
+    "function": "ContractContext::check_name_used",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 174,
+    "function": "inner_build_ast",
+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::from((Default::default(), vec![Default::default()], true))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 139,
+    "function": "SequenceSubtype::is_list_type",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 678,
+    "function": "ClarityDatabase<'a>::set_contract_data_size",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 763,
+    "function": "TypeSignature::concretize",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/sequences.rs",
+    "line": 281,
+    "function": "special_as_max_len",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 357,
+    "function": "DefinitionSorter::probe_for_dependencies_in_wrapped_key_value_pairs",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 328,
+    "function": "FunctionType::principal_to_callable_type",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 166,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_vrf_seed_for_block",
+    "return_type": "-> Option<VRFSeed>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1812,
+    "function": "parse_name_type_pairs",
+    "return_type": "-> Result<Vec<(ClarityName, TypeSignature)>>",
+    "replacement": "Ok(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 306,
+    "function": "create_principal_destruct_tuple_from_strings",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 247,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_open_chain_tip_height",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1099,
+    "function": "Value::expect_tuple",
+    "return_type": "-> TupleData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 191,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_tokens_earned_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 646,
+    "function": "TypeChecker<'a, 'b>::try_native_function_check",
+    "return_type": "-> Option<TypeResult>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1886,
+    "function": "ClarityDatabase<'a>::make_key_for_account_unlock_height",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 349,
+    "function": "AssetMap::commit_other",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 112,
+    "function": "TypingContext<'a>::add_variable_type",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 65,
+    "function": "symbols_from_values",
+    "return_type": "-> Vec<SymbolicExpression>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/sequences.rs",
+    "line": 178,
+    "function": "special_append",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 230,
+    "function": "ContractAnalysis::check_trait_compliance",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 519,
+    "function": "TypeSignature::admits",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/trait_checker/mod.rs",
+    "line": 39,
+    "function": "<impl AnalysisPass for TraitChecker>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 303,
+    "function": "check_special_match_opt",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 264,
+    "function": "check_special_append",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 525,
+    "function": "ClarityDatabase<'a>::get_with_proof",
+    "return_type": "-> Option<(T, Vec<u8>)>",
+    "replacement": "Some((Default::default(), vec![0]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 351,
+    "function": "SequenceData::contains",
+    "return_type": "-> Result<Option<usize>>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/coverage.rs",
+    "line": 78,
+    "function": "CoverageReporter::to_file",
+    "return_type": "-> std::io::Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 91,
+    "function": "SqliteConnection::insert_metadata",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1038,
+    "function": "ClarityDatabase<'a>::get_cc_special_cases_handler",
+    "return_type": "-> Option<SpecialCaseHandler>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1198,
+    "function": "Value::sanitize_value",
+    "return_type": "-> Option<(Value, bool)>",
+    "replacement": "Some((Default::default(), true))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 39,
+    "function": "get_simple_native_or_user_define",
+    "return_type": "-> CheckResult<FunctionType>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1100,
+    "function": "test_contract_of_value",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 766,
+    "function": "TypeChecker<'a, 'b>::type_check_define_ft",
+    "return_type": "-> CheckResult<ClarityName>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 186,
+    "function": "ContractContext::check_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 126,
+    "function": "ContractContext::add_map_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 88,
+    "function": "create_principal_destruct_tuple",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1319,
+    "function": "PrincipalData::parse_qualified_contract_principal",
+    "return_type": "-> Result<PrincipalData>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 616,
+    "function": "STXBalanceSnapshot<'db, 'conn>::extend_lock_v3",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 23,
+    "function": "inner_relabel",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::from_iter([0])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 253,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_sortition_id_from_consensus_hash",
+    "return_type": "-> Option<SortitionId>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 181,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_burnchain_tokens_spent_for_winning_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 40,
+    "function": "<impl BuildASTPass for SugarExpander>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1463,
+    "function": "TypeSignature::parse_optional_type_repr",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 287,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_stacks_block_header_hash_for_block",
+    "return_type": "-> Option<BlockHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1714,
+    "function": "GlobalContext<'a, 'hooks>::commit",
+    "return_type": "-> Result<(Option<AssetMap>, Option<EventBatch>)>",
+    "replacement": "Ok((None, Some(Default::default())))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 456,
+    "function": "GraphWalker::get_sorted_dependencies",
+    "return_type": "-> ParseResult<Vec<usize>>",
+    "replacement": "ParseResult::from_iter([vec![0]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 551,
+    "function": "SymbolicExpression::trait_reference",
+    "return_type": "-> SymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 687,
+    "function": "Parser<'a>::read_sugared_principal",
+    "return_type": "-> ParseResult<PreSymbolicExpression>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 575,
+    "function": "Lexer<'a>::read_utf8_string",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 479,
+    "function": "TypeChecker<'a, 'b>::type_check",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 345,
+    "function": "DefinitionSorter::probe_for_dependencies_in_list_of_wrapped_key_value_pairs",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 882,
+    "function": "<impl CostTracker for Environment<'_, '_, '_>>::drop_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 102,
+    "function": "<impl Error for SerializationError>::source",
+    "return_type": "-> Option<&(dyn error::Error +'static)>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 464,
+    "function": "SymbolicExpression::cons",
+    "return_type": "-> SymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/crypto.rs",
+    "line": 71,
+    "function": "pubkey_to_address_v1",
+    "return_type": "-> StacksAddress",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 463,
+    "function": "Parser<'a>::open_tuple",
+    "return_type": "-> ParseResult<SetupTupleResult>",
+    "replacement": "ParseResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 260,
+    "function": "special_fetch_variable_v205",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 687,
+    "function": "OwnedEnvironment<'a, 'hooks>::initialize_contract",
+    "return_type": "-> Result<((), AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok(((), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 188,
+    "function": "check_special_tuple_cons",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1305,
+    "function": "TypeSignature::empty_list",
+    "return_type": "-> ListTypeData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 557,
+    "function": "native_sub",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 779,
+    "function": "TypeChecker<'a, 'b>::type_check_define_nft",
+    "return_type": "-> CheckResult<(ClarityName, TypeSignature)>",
+    "replacement": "CheckResult::from((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 48,
+    "function": "<impl BuildASTPass for StackDepthChecker>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1719,
+    "function": "ClarityDatabase<'a>::get_ft_balance",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 263,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/sugar_expander/mod.rs",
+    "line": 56,
+    "function": "SugarExpander::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/define.rs",
+    "line": 291,
+    "function": "DefineFunctionsParsed<'a>::try_parse",
+    "return_type": "-> std::result::Result<Option<DefineFunctionsParsed<'a>>, CheckErrors>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 806,
+    "function": "<impl TryFrom for TupleTypeSignature>::try_from",
+    "return_type": "-> Result<TupleTypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 156,
+    "function": "check_special_fold",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 558,
+    "function": "SymbolicExpression::field",
+    "return_type": "-> SymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/sequences.rs",
+    "line": 226,
+    "function": "special_concat_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 495,
+    "function": "RollbackWrapper<'a>::get_metadata_manual",
+    "return_type": "-> InterpreterResult<Option<String>>",
+    "replacement": "InterpreterResult::from_iter([None])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 639,
+    "function": "native_to_int",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 699,
+    "function": "ClarityDatabase<'a>::has_contract",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 624,
+    "function": "TypeSignature::admits_type_v2_1",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 181,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1599,
+    "function": "GlobalContext<'a, 'hooks>::get_asset_map",
+    "return_type": "-> &mut AssetMap",
+    "replacement": "Box::leak(Box::new(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 186,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burnchain_tokens_spent_for_winning_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1097,
+    "function": "Value::try_deserialize_hex",
+    "return_type": "-> Result<Value, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 800,
+    "function": "<impl PartialEq for TupleData>::eq",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1025,
+    "function": "<impl CostTracker for LimitedCostTracker>::short_circuit_contract_call",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 242,
+    "function": "native_is_okay",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 39,
+    "function": "get_simple_native_or_user_define",
+    "return_type": "-> CheckResult<FunctionType>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1962,
+    "function": "CallStack::remove",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 61,
+    "function": "ContractContext::check_name_used",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 297,
+    "function": "FTTransferEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 853,
+    "function": "TupleTypeSignature::is_empty",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 110,
+    "function": "check_special_begin",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 216,
+    "function": "native_some",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from(vec![(Default::default(), 1, 0)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/contract_interface_builder/mod.rs",
+    "line": 354,
+    "function": "ContractInterfaceMap::from_map",
+    "return_type": "-> Vec<ContractInterfaceMap>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 79,
+    "function": "ContractContext::check_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 103,
+    "function": "build_ast_with_rules",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/assets.rs",
+    "line": 138,
+    "function": "test_native_stx_ops",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1398,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 59,
+    "function": "<impl AnalysisPass for ReadOnlyChecker<'a, 'b>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/callables.rs",
+    "line": 87,
+    "function": "NativeHandle::apply",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 58,
+    "function": "ExpressionIdentifier::run_expression_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 82,
+    "function": "TypingContext<'a>::extend",
+    "return_type": "-> CheckResult<TypingContext>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 174,
+    "function": "inner_build_ast",
+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::from((Default::default(), vec![], true))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 324,
+    "function": "DefinitionSorter::probe_for_dependencies_in_define_args",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 177,
+    "function": "ContractContext::add_implemented_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs",
+    "line": 213,
+    "function": "check_special_burn_asset",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 808,
+    "function": "ClarityDatabase<'a>::get_v1_unlock_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/principals.rs",
+    "line": 47,
+    "function": "version_matches_current_network",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 186,
+    "function": "ContractContext::get_map_type",
+    "return_type": "-> Option<&(TypeSignature, TypeSignature)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 174,
+    "function": "inner_build_ast",
+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::from_iter([(Default::default(), vec![Default::default()], false)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 195,
+    "function": "ContractContext::get_nft_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 269,
+    "function": "ContractContext::add_nft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 23,
+    "function": "inner_relabel",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::new(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/options.rs",
+    "line": 220,
+    "function": "is_some",
+    "return_type": "-> Result<bool>",
+    "replacement": "Ok(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 766,
+    "function": "BurnBlockInfoProperty::type_result",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 202,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 885,
+    "function": "<impl CostTracker for Environment<'_, '_, '_>>::reset_memory",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 197,
+    "function": "<impl SymbolicExpressionCommon for PreSymbolicExpression>::match_list_mut",
+    "return_type": "-> Option<&mut[PreSymbolicExpression]>",
+    "replacement": "Some(Vec::leak(Vec::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1092,
+    "function": "<impl ToSql for ExecutionCost>::to_sql",
+    "return_type": "-> rusqlite::Result<ToSqlOutput>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 53,
+    "function": "buff_to_int_generic",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 355,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_stacks_epoch",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 259,
+    "function": "ContractContext::add_ft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 89,
+    "function": "analysis_typecheck_cost",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 114,
+    "function": "native_buff_to_uint_be::convert_to_uint_be",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 297,
+    "function": "trait_type_size",
+    "return_type": "-> CheckResult<u64>",
+    "replacement": "CheckResult::from(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 131,
+    "function": "Parser<'a>::next_token",
+    "return_type": "-> Option<PlacedToken>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 65,
+    "function": "DefinitionSorter::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 252,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![], 1))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 486,
+    "function": "ClarityDatabase<'a>::put_value_with_size",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 612,
+    "function": "clarity2_inner_type_check_type",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 268,
+    "function": "ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only",
+    "return_type": "-> Option<CheckResult<bool>>",
+    "replacement": "Some(CheckResult::from(false))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 213,
+    "function": "NullBackingStore::as_clarity_db",
+    "return_type": "-> ClarityDatabase",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 349,
+    "function": "check_special_len",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 229,
+    "function": "RollbackWrapper<'a>::get_cc_special_cases_handler",
+    "return_type": "-> Option<SpecialCaseHandler>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1025,
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+  },
+  {
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+    "line": 554,
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+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "check_special_element_at",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "genre": "FnValue"
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+  {
+    "package": "clarity",
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+    "line": 472,
+    "function": "STXBalanceSnapshot<'db, 'conn>::increase_lock_v2",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 284,
+    "function": "AssetMap::get_next_amount",
+    "return_type": "-> Result<u128>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1099,
+    "function": "<impl FromSql for ExecutionCost>::column_result",
+    "return_type": "-> FromSqlResult<ExecutionCost>",
+    "replacement": "FromSqlResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 79,
+    "function": "ContractContext::check_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 221,
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+    "return_type": "-> CostStateSummary",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 376,
+    "function": "<impl TryFrom for BufferLength>::try_from",
+    "return_type": "-> Result<BufferLength>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "function": "parse_lexed",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 220,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_stacks_epoch_by_epoch_id",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
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+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
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+    "line": 381,
+    "function": "native_bitwise_not",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1162,
+    "function": "Value::expect_result_err",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1205,
+    "function": "ListData::append",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 41,
+    "function": "U128Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 118,
+    "function": "<impl AnalysisPass for TypeChecker<'_, '_>>::run_pass",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from_iter([()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 319,
+    "function": "<impl DiagnosableError for CheckErrors>::message",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 429,
+    "function": "Graph::nodes_count",
+    "return_type": "-> usize",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 36,
+    "function": "sqlite_put",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 1116,
+    "function": "test_cc_trait_stack_depth",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 135,
+    "function": "ContractAnalysis::add_public_function",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 307,
+    "function": "DefinitionSorter::probe_for_dependencies_in_tuple",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 448,
+    "function": "special_leq_v2",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 281,
+    "function": "ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 378,
+    "function": "check_special_match",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 81,
+    "function": "SqliteConnection::get",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(String::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 163,
+    "function": "ContractAnalysis::get_public_function_type",
+    "return_type": "-> Option<&FunctionType>",
+    "replacement": "Some(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/docs/contracts.rs",
+    "line": 69,
+    "function": "doc_execute",
+    "return_type": "-> Result<Option<Value>, vm::Error>",
+    "replacement": "Ok(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 195,
+    "function": "<impl From for SerializedCostStateSummary>::from",
+    "return_type": "-> SerializedCostStateSummary",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 321,
+    "function": "<impl From for FunctionSignature>::from",
+    "return_type": "-> FunctionSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 157,
+    "function": "<impl HeadersDB for &dyn HeadersDB>::get_stacks_block_header_hash_for_block",
+    "return_type": "-> Option<BlockHeaderHash>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 801,
+    "function": "OwnedEnvironment<'a, 'hooks>::eval_raw",
+    "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 77,
+    "function": "StandardPrincipalData::transient",
+    "return_type": "-> StandardPrincipalData",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 158,
+    "function": "Parser<'a>::peek_last_token",
+    "return_type": "-> ParseResult<&PlacedToken>",
+    "replacement": "ParseResult::from(&Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 364,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_stacks_epoch_by_epoch_id",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 160,
+    "function": "check_special_merge",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1371,
+    "function": "Environment<'a, 'b, 'hooks>::stx_transfer",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 364,
+    "function": "native_xor",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 728,
+    "function": "parse_no_stack_limit",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs",
+    "line": 614,
+    "function": "check_secp256k1_recover",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 676,
+    "function": "special_transfer_token",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/mod.rs",
+    "line": 73,
+    "function": "boot_util::boot_code_id",
+    "return_type": "-> QualifiedContractIdentifier",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 202,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1939,
+    "function": "CallStack::depth",
+    "return_type": "-> usize",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/token.rs",
+    "line": 82,
+    "function": "Token::reproduce",
+    "return_type": "-> String",
+    "replacement": "String::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 309,
+    "function": "build_ast",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 299,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((String::new(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1958,
+    "function": "CallStack::decr_apply_depth",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/traits.rs",
+    "line": 1289,
+    "function": "test_return_trait_with_contract_of_wrapped_in_let",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 565,
+    "function": "<impl Display for ASCIIData>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 430,
+    "function": "ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1349,
+    "function": "TypeSignature::construct_parent_list_type",
+    "return_type": "-> Result<ListTypeData>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 208,
+    "function": "AnalysisDatabase<'a>::get_implemented_traits",
+    "return_type": "-> CheckResult<BTreeSet<TraitIdentifier>>",
+    "replacement": "CheckResult::new(BTreeSet::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/sqlite.rs",
+    "line": 81,
+    "function": "SqliteConnection::get",
+    "return_type": "-> Option<String>",
+    "replacement": "Some(\"xyzzy\".into())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1000,
+    "function": "<impl CostTracker for LimitedCostTracker>::add_memory",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 136,
+    "function": "ContractContext::add_variable_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 156,
+    "function": "check_special_fold",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 174,
+    "function": "inner_build_ast",
+    "return_type": "-> ParseResult<(ContractAST, Vec<Diagnostic>, bool)>",
+    "replacement": "ParseResult::from_iter([(Default::default(), vec![], true)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1458,
+    "function": "Environment<'a, 'b, 'hooks>::register_stx_burn_event",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 52,
+    "function": "ASCIIOps::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 326,
+    "function": "<impl HeadersDB for NullHeadersDB>::get_tokens_earned_for_block",
+    "return_type": "-> Option<u128>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 57,
+    "function": "execute",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 283,
+    "function": "Parser<'a>::handle_open_tuple",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 1109,
+    "function": "parse_collect_diagnostics",
+    "return_type": "-> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool)",
+    "replacement": "(vec![], vec![Default::default()], true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 107,
+    "function": "<impl CostTracker for TypeChecker<'_, '_>>::short_circuit_contract_call",
+    "return_type": "-> std::result::Result<bool, CostErrors>",
+    "replacement": "Ok(true)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1886,
+    "function": "ClarityDatabase<'a>::make_key_for_account_unlock_height",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 152,
+    "function": "ContractContext::add_ft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 545,
+    "function": "<impl Display for CharType>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 278,
+    "function": "SequenceData::element_at",
+    "return_type": "-> Option<Value>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 474,
+    "function": "Lexer<'a>::read_utf8_encoding",
+    "return_type": "-> LexResult<Result<String, String>>",
+    "replacement": "LexResult::new(Ok(\"xyzzy\".into()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 554,
+    "function": "native_add",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/mod.rs",
+    "line": 126,
+    "function": "env_factory",
+    "return_type": "-> MemoryEnvironmentGenerator",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 541,
+    "function": "SymbolicExpression::list",
+    "return_type": "-> SymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 120,
+    "function": "<impl PartialEq for Error>::eq",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1019,
+    "function": "ClarityDatabase<'a>::make_microblock_pubkey_height_key",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1279,
+    "function": "ClarityDatabase<'a>::load_map",
+    "return_type": "-> Result<DataMapMetadata>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1784,
+    "function": "GlobalContext<'a, 'hooks>::destruct",
+    "return_type": "-> Option<(ClarityDatabase<'a>, LimitedCostTracker)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1250,
+    "function": "int_log2",
+    "return_type": "-> Option<u64>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 807,
+    "function": "Parser<'a>::parse_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from_iter([Some(Default::default())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 137,
+    "function": "AnalysisDatabase<'a>::get_clarity_version",
+    "return_type": "-> CheckResult<ClarityVersion>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 546,
+    "function": "special_less",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 244,
+    "function": "ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from(false)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 416,
+    "function": "Graph::add_directed_edge",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 152,
+    "function": "ContractContext::add_ft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/errors.rs",
+    "line": 169,
+    "function": "<impl From for Error>::from",
+    "return_type": "-> Self",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1954,
+    "function": "CallStack::incr_apply_depth",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 705,
+    "function": "OwnedEnvironment<'a, 'hooks>::initialize_versioned_contract",
+    "return_type": "-> Result<((), AssetMap, Vec<StacksTransactionEvent>)>",
+    "replacement": "Ok(((), Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 149,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burn_block_time_for_block",
+    "return_type": "-> Option<u64>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/mod.rs",
+    "line": 96,
+    "function": "version_string",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 140,
+    "function": "Lexer<'a>::read_line",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from_iter([\"xyzzy\".into()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new(vec![(Default::default(), 1, 1)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/mod.rs",
+    "line": 45,
+    "function": "FunctionType::check_args",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 381,
+    "function": "check_special_match",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 97,
+    "function": "TypingContext<'a>::lookup_variable_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 201,
+    "function": "TraitsResolver::probe_for_generics",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 455,
+    "function": "lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new(vec![(Default::default(), 0, 1)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 356,
+    "function": "PreSymbolicExpression::match_atom_value",
+    "return_type": "-> Option<&Value>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 171,
+    "function": "AnalysisDatabase<'a>::get_read_only_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::from(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 379,
+    "function": "DefinitionSorter::find_expression_definition",
+    "return_type": "-> Option<(ClarityName, u64, &'b PreSymbolicExpression)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 358,
+    "function": "STXBalanceSnapshot<'db, 'conn>::get_available_balance",
+    "return_type": "-> u128",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 424,
+    "function": "STXBalanceSnapshot<'db, 'conn>::lock_tokens_v1",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/definition_sorter/mod.rs",
+    "line": 425,
+    "function": "Graph::has_node_descendants",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 376,
+    "function": "STXBalanceSnapshot<'db, 'conn>::has_locked_tokens",
+    "return_type": "-> bool",
+    "replacement": "false",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 149,
+    "function": "<impl HeadersDB for UnitTestHeaderDB>::get_burn_block_time_for_block",
+    "return_type": "-> Option<u64>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 871,
+    "function": "Value::size",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1696,
+    "function": "TypeSignature::inner_type_size",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 490,
+    "function": "AssetMap::get_nonfungible_tokens",
+    "return_type": "-> Option<&Vec<Value>>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 66,
+    "function": "Lexer<'a>::add_diagnostic",
+    "return_type": "-> LexResult<()>",
+    "replacement": "LexResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1090,
+    "function": "Value::expect_bool",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 347,
+    "function": "<impl From for u32>::from",
+    "return_type": "-> u32",
+    "replacement": "0",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1198,
+    "function": "Value::sanitize_value",
+    "return_type": "-> Option<(Value, bool)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/arithmetic_checker/mod.rs",
+    "line": 132,
+    "function": "ArithmeticOnlyChecker<'a>::check_expression",
+    "return_type": "-> Result<(), Error>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 472,
+    "function": "ClarityDatabase<'a>::get",
+    "return_type": "-> Option<T>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 978,
+    "function": "TypeSignature::max_string_ascii",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 517,
+    "function": "RollbackWrapper<'a>::has_entry",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 96,
+    "function": "QualifiedContractIdentifier::local",
+    "return_type": "-> Result<QualifiedContractIdentifier>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1227,
+    "function": "ASCIIData::len",
+    "return_type": "-> BufferLength",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 103,
+    "function": "build_ast_with_rules",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1943,
+    "function": "ClarityDatabase<'a>::set_account_nonce",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 308,
+    "function": "ContractContext::get_map_type",
+    "return_type": "-> Option<&(TypeSignature, TypeSignature)>",
+    "replacement": "Some(&(Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 535,
+    "function": "Value::deserialize_read_count",
+    "return_type": "-> Result<(Value, u64), SerializationError>",
+    "replacement": "Ok((Default::default(), 1))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 860,
+    "function": "ClarityDatabase<'a>::get_block_time",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 198,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_burn_block_height",
+    "return_type": "-> Option<u32>",
+    "replacement": "Some(0)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 680,
+    "function": "<impl SequencedValue for UTF8Data>::drained_items",
+    "return_type": "-> Vec<Vec<u8>>",
+    "replacement": "vec![vec![]]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 320,
+    "function": "PreSymbolicExpression::list",
+    "return_type": "-> PreSymbolicExpression",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1302,
+    "function": "ClarityDatabase<'a>::make_key_for_data_map_entry_serialized",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::from_iter([vec![(Default::default(), 0, 1)]])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 1543,
+    "function": "Environment<'a, 'b, 'hooks>::register_ft_mint_event",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 994,
+    "function": "<impl CostTracker for LimitedCostTracker>::add_cost",
+    "return_type": "-> std::result::Result<(), CostErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1250,
+    "function": "int_log2",
+    "return_type": "-> Option<u64>",
+    "replacement": "Some(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 508,
+    "function": "parse_lexed",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new(vec![])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/stack_depth_checker.rs",
+    "line": 74,
+    "function": "<impl BuildASTPass for VaryStackDepthChecker>::run_pass",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 193,
+    "function": "<impl ClarityDeserializable for ContractCommitment>::deserialize",
+    "return_type": "-> ContractCommitment",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs",
+    "line": 167,
+    "function": "check_special_transfer_token",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1398,
+    "function": "TypeChecker<'a, 'b>::type_check_define_trait",
+    "return_type": "-> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)>",
+    "replacement": "CheckResult::new((Default::default(), BTreeMap::new()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 140,
+    "function": "Lexer<'a>::read_line",
+    "return_type": "-> LexResult<String>",
+    "replacement": "LexResult::from_iter([String::new()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 463,
+    "function": "SequenceData::concat",
+    "return_type": "-> Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 268,
+    "function": "ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only",
+    "return_type": "-> Option<CheckResult<bool>>",
+    "replacement": "Some(CheckResult::new(false))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 546,
+    "function": "special_less",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
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+    "line": 136,
+    "function": "<impl CostTracker for ()>::compute_cost",
+    "return_type": "-> std::result::Result<ExecutionCost, CostErrors>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs",
+    "line": 134,
+    "function": "check_special_get",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 185,
+    "function": "native_int_to_string_generic",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v1.rs",
+    "line": 192,
+    "function": "inner_lex",
+    "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+    "replacement": "ParseResult::new(vec![(Default::default(), 1, 0)])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/events.rs",
+    "line": 248,
+    "function": "NFTMintEventData::json_serialize",
+    "return_type": "-> serde_json::Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 395,
+    "function": "<impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![], 0))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/errors.rs",
+    "line": 295,
+    "function": "check_arguments_at_most",
+    "return_type": "-> Result<(), CheckErrors>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/coverage.rs",
+    "line": 170,
+    "function": "CoverageReporter::register_src_file",
+    "return_type": "-> std::io::Result<()>",
+    "replacement": "Ok(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 48,
+    "function": "TraitsResolver::run",
+    "return_type": "-> ParseResult<()>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/tests/contracts.rs",
+    "line": 1018,
+    "function": "test_as_max_len",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/database.rs",
+    "line": 374,
+    "function": "special_fetch_entry_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs",
+    "line": 39,
+    "function": "get_simple_native_or_user_define",
+    "return_type": "-> CheckResult<FunctionType>",
+    "replacement": "CheckResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/contexts.rs",
+    "line": 125,
+    "function": "TypingContext<'a>::add_trait_reference",
+    "return_type": "",
+    "replacement": "()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 368,
+    "function": "STXBalanceSnapshot<'db, 'conn>::canonical_balance_repr",
+    "return_type": "-> STXBalance",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 112,
+    "function": "ReadOnlyChecker<'a, 'b>::check_top_level_expression",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1957,
+    "function": "ClarityDatabase<'a>::get_stacks_epoch",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 808,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/mod.rs",
+    "line": 197,
+    "function": "NativeFunctions::lookup_by_name_at_version",
+    "return_type": "-> Option<NativeFunctions>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/mod.rs",
+    "line": 50,
+    "function": "mem_type_check",
+    "return_type": "-> CheckResult<(Option<TypeSignature>, ContractAnalysis)>",
+    "replacement": "CheckResult::from((Some(Default::default()), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 116,
+    "function": "ContractContext::add_private_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1117,
+    "function": "<impl CostOverflowingMath for u64>::cost_overflow_add",
+    "return_type": "-> Result<u64>",
+    "replacement": "Ok(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 193,
+    "function": "special_stx_transfer_memo",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs",
+    "line": 281,
+    "function": "eval_with_new_binding",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs",
+    "line": 448,
+    "function": "check_special_replace_at",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 265,
+    "function": "SequenceData::len",
+    "return_type": "-> usize",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 807,
+    "function": "Parser<'a>::parse_node",
+    "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+    "replacement": "ParseResult::from(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 153,
+    "function": "AnalysisDatabase<'a>::get_public_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::from(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/key_value_wrapper.rs",
+    "line": 338,
+    "function": "RollbackWrapper<'a>::set_block_hash",
+    "return_type": "-> InterpreterResult<StacksBlockId>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1039,
+    "function": "TypeChecker<'a, 'b>::type_check_function_type",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/analysis_db.rs",
+    "line": 153,
+    "function": "AnalysisDatabase<'a>::get_public_function_type",
+    "return_type": "-> CheckResult<Option<FunctionType>>",
+    "replacement": "CheckResult::new(None)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 652,
+    "function": "OwnedEnvironment<'a, 'hooks>::execute_in_env",
+    "return_type": "-> std::result::Result<(A, AssetMap, Vec<StacksTransactionEvent>), E>",
+    "replacement": "Ok((Default::default(), Default::default(), vec![Default::default()]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1139,
+    "function": "Value::serialized_size",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 256,
+    "function": "SequenceData::element_size",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 809,
+    "function": "special_get_owner_v200",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 210,
+    "function": "Lexer<'a>::read_identifier",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 381,
+    "function": "native_bitwise_not",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 62,
+    "function": "TraitContext::add_defined_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/contexts.rs",
+    "line": 490,
+    "function": "AssetMap::get_nonfungible_tokens",
+    "return_type": "-> Option<&Vec<Value>>",
+    "replacement": "Some(&vec![Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 87,
+    "function": "ast_check_size",
+    "return_type": "-> ParseResult<ContractAST>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 951,
+    "function": "Value::buff_from_byte",
+    "return_type": "-> Value",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 498,
+    "function": "TypeSignature::new_response",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 268,
+    "function": "ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only",
+    "return_type": "-> Option<CheckResult<bool>>",
+    "replacement": "Some(CheckResult::from_iter([false]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 305,
+    "function": "type_reserved_variable",
+    "return_type": "-> Option<TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 247,
+    "function": "FunctionType::check_args_by_allowing_trait_cast_2_05",
+    "return_type": "-> CheckResult<TypeSignature>",
+    "replacement": "CheckResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 533,
+    "function": "ClarityDatabase<'a>::make_key_for_trip",
+    "return_type": "-> String",
+    "replacement": "\"xyzzy\".into()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/traits_resolver/mod.rs",
+    "line": 182,
+    "function": "TraitsResolver::try_parse_pre_expr",
+    "return_type": "-> Option<(DefineFunctions, Vec<&'a PreSymbolicExpression>)>",
+    "replacement": "Some((Default::default(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 894,
+    "function": "special_get_token_supply",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 687,
+    "function": "Parser<'a>::read_sugared_principal",
+    "return_type": "-> ParseResult<PreSymbolicExpression>",
+    "replacement": "ParseResult::from(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 1055,
+    "function": "TypeChecker<'a, 'b>::type_check_define_function",
+    "return_type": "-> CheckResult<(ClarityName, FixedFunction)>",
+    "replacement": "CheckResult::from((Default::default(), Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 59,
+    "function": "UTF8Ops::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/test_util/mod.rs",
+    "line": 247,
+    "function": "<impl BurnStateDB for UnitTestBurnStateDB>::get_burn_start_height",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 209,
+    "function": "<impl BurnStateDB for &dyn BurnStateDB>::get_sortition_id_from_consensus_hash",
+    "return_type": "-> Option<SortitionId>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/assets.rs",
+    "line": 98,
+    "function": "special_stx_balance",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 521,
+    "function": "Parser<'a>::read_principal",
+    "return_type": "-> ParseResult<PreSymbolicExpression>",
+    "replacement": "ParseResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1201,
+    "function": "ListData::is_empty",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/contexts.rs",
+    "line": 106,
+    "function": "ContractContext::add_read_only_function_type",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::from(())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 394,
+    "function": "<impl From for u32>::from",
+    "return_type": "-> u32",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 1957,
+    "function": "ClarityDatabase<'a>::get_stacks_epoch",
+    "return_type": "-> Option<StacksEpoch>",
+    "replacement": "Some(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/conversions.rs",
+    "line": 113,
+    "function": "native_buff_to_uint_be",
+    "return_type": "-> Result<Value>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 299,
+    "function": "<impl ClarityBackingStore for MemoryBackingStore>::get_with_proof",
+    "return_type": "-> Option<(String, Vec<u8>)>",
+    "replacement": "Some((\"xyzzy\".into(), vec![]))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/read_only_checker/mod.rs",
+    "line": 430,
+    "function": "ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only",
+    "return_type": "-> CheckResult<bool>",
+    "replacement": "CheckResult::from_iter([false])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/variables.rs",
+    "line": 63,
+    "function": "lookup_reserved_variable",
+    "return_type": "-> Result<Option<Value>>",
+    "replacement": "Ok(Some(Default::default()))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_store.rs",
+    "line": 235,
+    "function": "<impl ClarityBackingStore for NullBackingStore>::get_side_store",
+    "return_type": "-> &Connection",
+    "replacement": "&Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+    "line": 188,
+    "function": "Parser<'a>::ignore_whitespace_and_comments",
+    "return_type": "-> Vec<PreSymbolicExpression>",
+    "replacement": "vec![]",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/costs/mod.rs",
+    "line": 1137,
+    "function": "ExecutionCost::proportion_largest_dimension",
+    "return_type": "-> u64",
+    "replacement": "1",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 857,
+    "function": "TupleTypeSignature::field_type",
+    "return_type": "-> Option<&TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
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+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 525,
+    "function": "ClarityDatabase<'a>::get_with_proof",
+    "return_type": "-> Option<(T, Vec<u8>)>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 1417,
+    "function": "TypeSignature::parse_buff_type_repr",
+    "return_type": "-> Result<TypeSignature>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 292,
+    "function": "ContractContext::add_used_trait",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+    "line": 845,
+    "function": "type_reserved_variable",
+    "return_type": "-> Option<TypeSignature>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/serialization.rs",
+    "line": 1127,
+    "function": "Value::try_deserialize_bytes_untyped",
+    "return_type": "-> Result<Value, SerializationError>",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/types.rs",
+    "line": 190,
+    "function": "ContractAnalysis::get_defined_trait",
+    "return_type": "-> Option<&BTreeMap<ClarityName, FunctionSignature>>",
+    "replacement": "Some(&BTreeMap::new())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/representations.rs",
+    "line": 578,
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+    "return_type": "-> Option<&ClarityName>",
+    "replacement": "None",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/mod.rs",
+    "line": 808,
+    "function": "TypeChecker<'a, 'b>::try_type_check_define",
+    "return_type": "-> CheckResult<Option<()>>",
+    "replacement": "CheckResult::from_iter([Some(())])",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/mod.rs",
+    "line": 69,
+    "function": "parse_in_epoch",
+    "return_type": "-> ParseResult<Vec<PreSymbolicExpression>>",
+    "replacement": "ParseResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/signatures.rs",
+    "line": 966,
+    "function": "TypeSignature::min_string_ascii",
+    "return_type": "-> TypeSignature",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs",
+    "line": 32,
+    "function": "check_special_okay",
+    "return_type": "-> TypeResult",
+    "replacement": "Default::default()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/structures.rs",
+    "line": 680,
+    "function": "STXBalanceSnapshot<'db, 'conn>::is_v3_locked",
+    "return_type": "-> bool",
+    "replacement": "true",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 52,
+    "function": "ASCIIOps::make_value",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/functions/arithmetic.rs",
+    "line": 377,
+    "function": "native_bitwise_or",
+    "return_type": "-> InterpreterResult<Value>",
+    "replacement": "InterpreterResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/types/mod.rs",
+    "line": 1547,
+    "function": "<impl Display for TupleData>::fmt",
+    "return_type": "-> fmt::Result",
+    "replacement": "Ok(Default::default())",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+    "line": 23,
+    "function": "inner_relabel",
+    "return_type": "-> ParseResult<u64>",
+    "replacement": "ParseResult::from(1)",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/database/clarity_db.rs",
+    "line": 937,
+    "function": "ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height",
+    "return_type": "-> Option<(Vec<TupleData>, u128)>",
+    "replacement": "Some((vec![Default::default()], 0))",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+    "line": 269,
+    "function": "ContractContext::add_nft",
+    "return_type": "-> CheckResult<()>",
+    "replacement": "CheckResult::new()",
+    "genre": "FnValue"
+  },
+  {
+    "package": "clarity",
+    "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+    "line": 575,
+    "function": "Lexer<'a>::read_utf8_string",
+    "return_type": "-> LexResult<Token>",
+    "replacement": "LexResult::from_iter([Default::default()])",
+    "genre": "FnValue"
+  }
+]
\ No newline at end of file
diff --git a/mutation-testing/mutants/clarity/outcomes.json b/mutation-testing/mutants/clarity/outcomes.json
new file mode 100644
index 0000000000..2ac747efd0
--- /dev/null
+++ b/mutation-testing/mutants/clarity/outcomes.json
@@ -0,0 +1,96820 @@
+{
+  "outcomes": [
+    {
+      "scenario": "Baseline",
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/baseline.log",
+      "summary": "Success",
+      "phase_results": [
+        {
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+          "duration": 95.438326963,
+          "process_status": "Success",
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+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
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+          "process_status": "Success",
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+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
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+          "file": "clarity/src/vm/ast/parser/v1.rs",
+          "line": 101,
+          "function": "get_value_or_err",
+          "return_type": "-> ParseResult<String>",
+          "replacement": "ParseResult::from_iter([String::new()])",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__ast__parser__v1.rs_line_101.log",
+      "summary": "Unviable",
+      "phase_results": [
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+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
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+          "file": "clarity/src/vm/contexts.rs",
+          "line": 801,
+          "function": "OwnedEnvironment<'a, 'hooks>::eval_raw",
+          "return_type": "-> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)>",
+          "replacement": "Ok((Default::default(), Default::default(), vec![]))",
+          "genre": "FnValue"
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+      "summary": "Unviable",
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+          "function": "CallableType::get_identifier",
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+          "genre": "FnValue"
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+      "summary": "Unviable",
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+          "line": 1109,
+          "function": "parse_collect_diagnostics",
+          "return_type": "-> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool)",
+          "replacement": "(vec![Default::default()], vec![], false)",
+          "genre": "FnValue"
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+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
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+      ]
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+    {
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+          "file": "clarity/src/vm/ast/parser/v1.rs",
+          "line": 192,
+          "function": "inner_lex",
+          "return_type": "-> ParseResult<Vec<(LexItem, u32, u32)>>",
+          "replacement": "ParseResult::new()",
+          "genre": "FnValue"
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+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__ast__parser__v1.rs_line_192.log",
+      "summary": "Unviable",
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+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
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+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
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+      ]
+    },
+    {
+      "scenario": {
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+          "line": 219,
+          "function": "Parser<'a>::handle_open_node",
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+          "replacement": "ParseResult::new()",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__ast__parser__v2__mod.rs_line_219.log",
+      "summary": "Unviable",
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+        {
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+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
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+          ]
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+      ]
+    },
+    {
+      "scenario": {
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+          "file": "clarity/src/vm/callables.rs",
+          "line": 144,
+          "function": "DefinedFunction::execute_apply",
+          "return_type": "-> Result<Value>",
+          "replacement": "Ok(Default::default())",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__callables.rs_line_144.log",
+      "summary": "Unviable",
+      "phase_results": [
+        {
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+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-G26z29.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/database/clarity_db.rs",
+          "line": 1038,
+          "function": "ClarityDatabase<'a>::get_cc_special_cases_handler",
+          "return_type": "-> Option<SpecialCaseHandler>",
+          "replacement": "None",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__database__clarity_db.rs_line_1038.log",
+      "summary": "MissedMutant",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 23.940032961,
+          "process_status": "Success",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
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+        {
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+          "process_status": "Success",
+          "argv": [
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+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
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+          "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+          "line": 160,
+          "function": "Lexer<'a>::proceed_through_error",
+          "return_type": "-> LexResult<String>",
+          "replacement": "LexResult::from_iter([\"xyzzy\".into()])",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__ast__parser__v2__lexer__mod.rs_line_160.log",
+      "summary": "Unviable",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 9.885356603,
+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
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+      ]
+    },
+    {
+      "scenario": {
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+          "file": "clarity/src/vm/ast/parser/v2/mod.rs",
+          "line": 219,
+          "function": "Parser<'a>::handle_open_node",
+          "return_type": "-> ParseResult<Option<PreSymbolicExpression>>",
+          "replacement": "ParseResult::from_iter([Some(Default::default())])",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__ast__parser__v2__mod.rs_line_219_001.log",
+      "summary": "Unviable",
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+        {
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+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/database/key_value_wrapper.rs",
+          "line": 265,
+          "function": "RollbackWrapper<'a>::commit",
+          "return_type": "",
+          "replacement": "()",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__database__key_value_wrapper.rs_line_265.log",
+      "summary": "CaughtMutant",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 48.037347666,
+          "process_status": "Success",
+          "argv": [
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+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
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+          "file": "clarity/src/vm/costs/mod.rs",
+          "line": 1137,
+          "function": "ExecutionCost::proportion_largest_dimension",
+          "return_type": "-> u64",
+          "replacement": "0",
+          "genre": "FnValue"
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+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__costs__mod.rs_line_1137.log",
+      "summary": "MissedMutant",
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+      ]
+    },
+    {
+      "scenario": {
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+          "file": "clarity/src/vm/types/mod.rs",
+          "line": 871,
+          "function": "Value::size",
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+          "replacement": "1",
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+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__mod.rs_line_871.log",
+      "summary": "CaughtMutant",
+      "phase_results": [
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+        {
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+          "duration": 5.082426207,
+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-G26z29.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/analysis/type_checker/v2_1/mod.rs",
+          "line": 845,
+          "function": "type_reserved_variable",
+          "return_type": "-> Option<TypeSignature>",
+          "replacement": "None",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__analysis__type_checker__v2_1__mod.rs_line_845_001.log",
+      "summary": "CaughtMutant",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 30.844208801,
+          "process_status": "Success",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-ao2d5y.tmp/clarity/Cargo.toml"
+          ]
+        },
+        {
+          "phase": "Test",
+          "duration": 28.736619355,
+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "test",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-ao2d5y.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/ast/expression_identifier/mod.rs",
+          "line": 23,
+          "function": "inner_relabel",
+          "return_type": "-> ParseResult<u64>",
+          "replacement": "ParseResult::from(1)",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__ast__expression_identifier__mod.rs_line_23_006.log",
+      "summary": "Unviable",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 12.046932821,
+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-ao2d5y.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/representations.rs",
+          "line": 578,
+          "function": "SymbolicExpression::match_atom",
+          "return_type": "-> Option<&ClarityName>",
+          "replacement": "None",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__representations.rs_line_578_001.log",
+      "summary": "CaughtMutant",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 33.749375559,
+          "process_status": "Success",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
+        },
+        {
+          "phase": "Test",
+          "duration": 32.440156654,
+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "test",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/database/clarity_db.rs",
+          "line": 937,
+          "function": "ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height",
+          "return_type": "-> Option<(Vec<TupleData>, u128)>",
+          "replacement": "Some((vec![Default::default()], 0))",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__database__clarity_db.rs_line_937_004.log",
+      "summary": "Unviable",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 6.081197322,
+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-ao2d5y.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/analysis/type_checker/v2_1/contexts.rs",
+          "line": 269,
+          "function": "ContractContext::add_nft",
+          "return_type": "-> CheckResult<()>",
+          "replacement": "CheckResult::new()",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__analysis__type_checker__v2_1__contexts.rs_line_269_003.log",
+      "summary": "Unviable",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 4.781516944,
+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-pgjgbb.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/ast/parser/v2/lexer/mod.rs",
+          "line": 575,
+          "function": "Lexer<'a>::read_utf8_string",
+          "return_type": "-> LexResult<Token>",
+          "replacement": "LexResult::from_iter([Default::default()])",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__ast__parser__v2__lexer__mod.rs_line_575_003.log",
+      "summary": "Unviable",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 4.913395626,
+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-ao2d5y.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/database/structures.rs",
+          "line": 680,
+          "function": "STXBalanceSnapshot<'db, 'conn>::is_v3_locked",
+          "return_type": "-> bool",
+          "replacement": "true",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__database__structures.rs_line_680_001.log",
+      "summary": "MissedMutant",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 49.340433176,
+          "process_status": "Success",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-S5qjeM.tmp/clarity/Cargo.toml"
+          ]
+        },
+        {
+          "phase": "Test",
+          "duration": 16.825422903,
+          "process_status": "Success",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "test",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-S5qjeM.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    },
+    {
+      "scenario": {
+        "Mutant": {
+          "package": "clarity",
+          "file": "clarity/src/vm/types/mod.rs",
+          "line": 1547,
+          "function": "<impl Display for TupleData>::fmt",
+          "return_type": "-> fmt::Result",
+          "replacement": "Ok(Default::default())",
+          "genre": "FnValue"
+        }
+      },
+      "log_path": "/Users/asuciu/Documents/GitHub/my-core/stacks-core/mutants.out/log/clarity__src__vm__types__mod.rs_line_1547.log",
+      "summary": "CaughtMutant",
+      "phase_results": [
+        {
+          "phase": "Build",
+          "duration": 42.293006761,
+          "process_status": "Success",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "build",
+            "--tests",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-G26z29.tmp/clarity/Cargo.toml"
+          ]
+        },
+        {
+          "phase": "Test",
+          "duration": 12.07106779,
+          "process_status": "Failure",
+          "argv": [
+            "/root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo",
+            "test",
+            "--manifest-path",
+            "/tmp/cargo-mutants-mutation-test-stacks-core-G26z29.tmp/clarity/Cargo.toml"
+          ]
+        }
+      ]
+    }
+  ],
+  "total_mutants": 2912,
+  "missed": 634,
+  "caught": 487,
+  "timeout": 0,
+  "unviable": 1791,
+  "success": 0,
+  "failure": 0
+}
diff --git a/mutants/clarity/mutants.out/timeout.txt b/mutation-testing/mutants/clarity/timeout.txt
similarity index 100%
rename from mutants/clarity/mutants.out/timeout.txt
rename to mutation-testing/mutants/clarity/timeout.txt
diff --git a/mutation-testing/mutants/clarity/unviable.txt b/mutation-testing/mutants/clarity/unviable.txt
new file mode 100644
index 0000000000..819f07c57f
--- /dev/null
+++ b/mutation-testing/mutants/clarity/unviable.txt
@@ -0,0 +1,1791 @@
+clarity/src/vm/ast/parser/v1.rs:101: replace get_value_or_err -> ParseResult<String> with ParseResult::from_iter([String::new()])
+clarity/src/vm/contexts.rs:801: replace OwnedEnvironment<'a, 'hooks>::eval_raw -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![]))
+clarity/src/vm/callables.rs:376: replace CallableType::get_identifier -> FunctionIdentifier with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:1109: replace parse_collect_diagnostics -> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool) with (vec![Default::default()], vec![], false)
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new()
+clarity/src/vm/ast/parser/v2/mod.rs:219: replace Parser<'a>::handle_open_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/callables.rs:144: replace DefinedFunction::execute_apply -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:160: replace Lexer<'a>::proceed_through_error -> LexResult<String> with LexResult::from_iter(["xyzzy".into()])
+clarity/src/vm/ast/parser/v2/mod.rs:219: replace Parser<'a>::handle_open_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from_iter([Some(Default::default())])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:78: replace Lexer<'a>::read_char -> LexResult<()> with LexResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:504: replace special_greater -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:111: replace Lexer<'a>::report_line_ending -> LexResult<()> with LexResult::from_iter([()])
+clarity/src/vm/ast/definition_sorter/mod.rs:115: replace DefinitionSorter::probe_for_dependencies -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/ast/parser/v2/mod.rs:1093: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![Default::default()]])
+clarity/src/vm/test_util/mod.rs:172: replace <impl HeadersDB for UnitTestHeaderDB>::get_consensus_hash_for_block -> Option<ConsensusHash> with Some(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::from(vec![])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1346: replace TypeChecker<'a, 'b>::type_check_define_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from_iter([(Default::default(), Default::default())])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:326: replace Lexer<'a>::read_integer -> LexResult<Token> with LexResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:136: replace ContractContext::add_variable_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/types/mod.rs:1415: replace <impl From for Value>::from -> Self with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::new(None)
+clarity/src/vm/functions/arithmetic.rs:557: replace native_sub -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/docs/contracts.rs:48: replace make_func_ref -> FunctionRef with Default::default()
+clarity/src/vm/types/signatures.rs:1301: replace TypeSignature::list_of -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:740: replace TypeChecker<'a, 'b>::type_check_define_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new()
+clarity/src/vm/ast/parser/v1.rs:720: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/functions/arithmetic.rs:47: replace I128Ops::make_value -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:145: replace FunctionType::check_args_2_05 -> CheckResult<TypeSignature> with CheckResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/mod.rs:45: replace FunctionType::check_args -> CheckResult<TypeSignature> with CheckResult::new(Default::default())
+clarity/src/vm/ast/mod.rs:288: replace build_ast_precheck_size -> ParseResult<ContractAST> with ParseResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:296: replace check_special_as_max_len -> TypeResult with Default::default()
+clarity/src/vm/ast/traits_resolver/mod.rs:201: replace TraitsResolver::probe_for_generics -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::new(vec![])
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:479: replace check_principal_of -> TypeResult with Default::default()
+clarity/src/vm/costs/mod.rs:270: replace LimitedCostTracker::cost_function_references -> HashMap<&'static ClarityCostFunction, ClarityCostFunctionReference> with HashMap::from_iter([(&Default::default(), Default::default())])
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![(Default::default(), 0, 0)]])
+clarity/src/vm/database/clarity_db.rs:947: replace ClarityDatabase<'a>::get_block_vrf_seed -> VRFSeed with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:474: replace Lexer<'a>::read_utf8_encoding -> LexResult<Result<String, String>> with LexResult::new(Ok(String::new()))
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:186: replace ContractContext::check_function_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/ast/expression_identifier/mod.rs:23: replace inner_relabel -> ParseResult<u64> with ParseResult::from(0)
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:785: replace clarity2_lookup_trait -> CheckResult<BTreeMap<ClarityName, FunctionSignature>> with CheckResult::new(BTreeMap::from_iter([(Default::default(), Default::default())]))
+clarity/src/vm/functions/conversions.rs:174: replace native_string_to_uint -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:292: replace ContractContext::add_used_trait -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:377: replace native_bitwise_or -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/ast/traits_resolver/mod.rs:36: replace <impl BuildASTPass for TraitsResolver>::run_pass -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/functions/arithmetic.rs:572: replace native_log2 -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::from_iter([None])
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::new(None)
+clarity/src/vm/functions/arithmetic.rs:462: replace special_leq -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:145: replace FunctionType::check_args_2_05 -> CheckResult<TypeSignature> with CheckResult::from(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:210: replace Lexer<'a>::read_identifier -> LexResult<Token> with LexResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:839: replace contract_analysis_size -> CheckResult<u64> with CheckResult::from(1)
+clarity/src/vm/functions/sequences.rs:120: replace special_map -> Result<Value> with Ok(Default::default())
+clarity/src/vm/costs/mod.rs:326: replace load_state_summary -> Result<CostStateSummary> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:39: replace get_simple_native_or_user_define -> CheckResult<FunctionType> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:546: replace TypeChecker<'a, 'b>::type_check_define_function -> CheckResult<(ClarityName, FixedFunction)> with CheckResult::from((Default::default(), Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:172: replace ContractContext::add_trait -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:86: replace TraitContext::add_used_trait -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/costs/mod.rs:259: replace LimitedCostTracker::contract_call_circuits -> HashMap<(QualifiedContractIdentifier, ClarityName), ClarityCostFunctionReference> with HashMap::from_iter([((Default::default(), Default::default()), Default::default())])
+clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs:28: replace check_special_get_owner -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:521: replace Parser<'a>::read_principal -> ParseResult<PreSymbolicExpression> with ParseResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:123: replace <impl AnalysisPass for TypeChecker<'_, '_>>::run_pass -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/ast/traits_resolver/mod.rs:36: replace <impl BuildASTPass for TraitsResolver>::run_pass -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:808: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::from_iter([None])
+clarity/src/vm/docs/mod.rs:2601: replace make_all_api_reference -> ReferenceAPIs with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:716: replace TypeChecker<'a, 'b>::inner_type_check -> TypeResult with Default::default()
+clarity/src/vm/callables.rs:355: replace DefinedFunction::get_arguments -> &Vec<ClarityName> with &vec![]
+clarity/src/vm/ast/stack_depth_checker.rs:53: replace check_vary -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:172: replace ContractContext::add_trait -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:185: replace Lexer<'a>::proceed_through_error_string -> LexResult<String> with LexResult::from("xyzzy".into())
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:195: replace check_special_tuple_cons -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:61: replace ContractContext::check_name_used -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:168: replace ContractContext::check_name_used -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:699: replace TypedNativeFunction::type_native_function -> TypedNativeFunction with Default::default()
+clarity/src/vm/types/signatures.rs:999: replace TypeSignature::contract_name_string_ascii_type -> TypeSignature with Default::default()
+clarity/src/vm/types/mod.rs:1433: replace <impl From for PrincipalData>::from -> Self with Default::default()
+clarity/src/vm/ast/expression_identifier/mod.rs:58: replace ExpressionIdentifier::run_expression_pass -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:88: replace ContractContext::get_nft_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/ast/expression_identifier/mod.rs:58: replace ExpressionIdentifier::run_expression_pass -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:269: replace ContractContext::add_nft -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/ast/definition_sorter/mod.rs:357: replace DefinitionSorter::probe_for_dependencies_in_wrapped_key_value_pairs -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/database/clarity_db.rs:281: replace <impl HeadersDB for NullHeadersDB>::get_vrf_seed_for_block -> Option<VRFSeed> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1023: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::new(vec![Default::default()])
+clarity/src/vm/mod.rs:169: replace lookup_variable -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:137: replace AnalysisDatabase<'a>::get_clarity_version -> CheckResult<ClarityVersion> with CheckResult::new()
+clarity/src/vm/database/clarity_store.rs:315: replace <impl ClarityBackingStore for MemoryBackingStore>::get_open_chain_tip -> StacksBlockId with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:112: replace ReadOnlyChecker<'a, 'b>::check_top_level_expression -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:198: replace ContractContext::get_function_type -> Option<&FunctionType> with Some(&Default::default())
+clarity/src/vm/test_util/mod.rs:168: replace <impl HeadersDB for UnitTestHeaderDB>::get_miner_address -> Option<StacksAddress> with Some(Default::default())
+clarity/src/vm/ast/stack_depth_checker.rs:53: replace check_vary -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![(Default::default(), 0, 0)]])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:210: replace Lexer<'a>::read_identifier -> LexResult<Token> with LexResult::new()
+clarity/src/vm/database/sqlite.rs:182: replace SqliteConnection::memory -> Result<Connection> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:112: replace ReadOnlyChecker<'a, 'b>::check_top_level_expression -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/functions/tuples.rs:79: replace tuple_merge -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:1108: replace Value::expect_optional -> Option<Value> with Some(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:185: replace Lexer<'a>::proceed_through_error_string -> LexResult<String> with LexResult::new(String::new())
+clarity/src/vm/ast/mod.rs:153: replace build_ast_with_diagnostics -> (ContractAST, Vec<Diagnostic>, bool) with (Default::default(), vec![Default::default()], false)
+clarity/src/vm/database/clarity_db.rs:1085: replace ClarityDatabase<'a>::get_microblock_poison_report -> Option<(StandardPrincipalData, u16)> with Some((Default::default(), 1))
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:808: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::from(None)
+clarity/src/vm/ast/sugar_expander/mod.rs:66: replace SugarExpander::transform -> ParseResult<Vec<SymbolicExpression>> with ParseResult::new(vec![Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:831: replace trait_type_size -> CheckResult<u64> with CheckResult::from_iter([0])
+clarity/src/vm/functions/conversions.rs:162: replace native_string_to_int -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1414: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1398: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::from_iter([(Default::default(), BTreeMap::new())])
+clarity/src/vm/ast/definition_sorter/mod.rs:324: replace DefinitionSorter::probe_for_dependencies_in_define_args -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/test_util/mod.rs:97: replace <impl From for StandardPrincipalData>::from -> StandardPrincipalData with Default::default()
+clarity/src/vm/contexts.rs:1814: replace ContractContext::lookup_variable -> Option<&Value> with Some(&Default::default())
+clarity/src/vm/functions/arithmetic.rs:434: replace special_leq_v1 -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/ast/definition_sorter/mod.rs:65: replace DefinitionSorter::run -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:831: replace trait_type_size -> CheckResult<u64> with CheckResult::from(0)
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:160: replace Lexer<'a>::proceed_through_error -> LexResult<String> with LexResult::new("xyzzy".into())
+clarity/src/vm/types/signatures.rs:861: replace TupleTypeSignature::get_type_map -> &BTreeMap<ClarityName, TypeSignature> with &BTreeMap::from_iter([(Default::default(), Default::default())])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1372: replace TypeChecker<'a, 'b>::type_check_define_ft -> CheckResult<ClarityName> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/contexts.rs:82: replace TypingContext<'a>::extend -> CheckResult<TypingContext> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:485: replace check_function_arg_signature -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/functions/define.rs:191: replace handle_define_nonfungible_asset -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/conversions.rs:36: replace check_special_from_consensus_buff -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:1062: replace Parser<'a>::parse_node_or_eof -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from_iter([None])
+clarity/src/vm/analysis/read_only_checker/mod.rs:170: replace ReadOnlyChecker<'a, 'b>::check_define_function -> CheckResult<(ClarityName, bool)> with CheckResult::new()
+clarity/src/vm/tests/assets.rs:133: replace execute_transaction -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>), Error> with Ok((Default::default(), Default::default(), vec![Default::default()]))
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::new(Some(BTreeMap::from_iter([(Default::default(), Default::default())])))
+clarity/src/vm/functions/arithmetic.rs:604: replace native_bitwise_right_shift -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/test_util/mod.rs:141: replace <impl HeadersDB for UnitTestHeaderDB>::get_stacks_block_header_hash_for_block -> Option<BlockHeaderHash> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:79: replace ContractContext::check_function_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1398: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::from_iter([(Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())]))])
+clarity/src/vm/ast/stack_depth_checker.rs:28: replace check -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:62: replace TraitContext::add_defined_trait -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/mod.rs:69: replace parse_in_epoch -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:766: replace TypeChecker<'a, 'b>::type_check_define_ft -> CheckResult<ClarityName> with CheckResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1055: replace TypeChecker<'a, 'b>::type_check_define_function -> CheckResult<(ClarityName, FixedFunction)> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:128: replace Lexer<'a>::skip_whitespace -> LexResult<()> with LexResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:575: replace native_mod -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/read_only_checker/mod.rs:88: replace ReadOnlyChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1385: replace TypeChecker<'a, 'b>::type_check_define_nft -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from_iter([(Default::default(), Default::default())])
+clarity/src/vm/ast/parser/v1.rs:462: replace unescape_ascii_chars -> ParseResult<String> with ParseResult::from(String::new())
+clarity/src/vm/analysis/type_checker/v2_1/natives/maps.rs:106: replace check_set_or_insert_entry -> TypeResult with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:171: replace AnalysisDatabase<'a>::get_read_only_function_type -> CheckResult<Option<FunctionType>> with CheckResult::from(None)
+clarity/src/vm/ast/definition_sorter/mod.rs:433: replace Graph::edges_count -> ParseResult<u64> with ParseResult::new()
+clarity/src/vm/functions/database.rs:599: replace special_insert_entry_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs:108: replace check_special_mint_token -> TypeResult with Default::default()
+clarity/src/vm/ast/sugar_expander/mod.rs:40: replace <impl BuildASTPass for SugarExpander>::run_pass -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:203: replace check_special_concat -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![(Default::default(), 1, 0)])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:185: replace Lexer<'a>::proceed_through_error_string -> LexResult<String> with LexResult::from(String::new())
+clarity/src/vm/contexts.rs:1784: replace GlobalContext<'a, 'hooks>::destruct -> Option<(ClarityDatabase<'a>, LimitedCostTracker)> with Some((Default::default(), Default::default()))
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:625: replace check_secp256k1_verify -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:641: replace <impl SequencedValue for BuffData>::type_signature -> TypeSignature with Default::default()
+clarity/src/vm/types/signatures.rs:354: replace <impl TryFrom for BufferLength>::try_from -> Result<BufferLength> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:1071: replace Value::expect_list -> Vec<Value> with vec![Default::default()]
+clarity/src/vm/types/mod.rs:1400: replace <impl From for PrincipalData>::from -> PrincipalData with Default::default()
+clarity/src/vm/functions/assets.rs:777: replace special_get_balance -> Result<Value> with Ok(Default::default())
+clarity/src/vm/callables.rs:404: replace clarity2_implicit_cast -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:879: replace ClarityDatabase<'a>::get_sortition_id_for_stacks_tip -> Option<SortitionId> with Some(Default::default())
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:626: replace TypeChecker<'a, 'b>::type_check_define_map -> CheckResult<(ClarityName, (TypeSignature, TypeSignature))> with CheckResult::new((Default::default(), (Default::default(), Default::default())))
+clarity/src/vm/analysis/errors.rs:242: replace <impl From for CheckError>::from -> Self with Default::default()
+clarity/src/vm/functions/arithmetic.rs:373: replace native_bitwise_and -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:186: replace ContractContext::get_map_type -> Option<&(TypeSignature, TypeSignature)> with Some(&(Default::default(), Default::default()))
+clarity/src/vm/functions/arithmetic.rs:575: replace native_mod -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/costs/mod.rs:843: replace parse_cost -> Result<ExecutionCost> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/maps.rs:74: replace check_special_delete_entry -> TypeResult with Default::default()
+clarity/src/vm/clarity.rs:42: replace <impl Error for Error>::cause -> Option<&dyn std::error::Error> with Some(&Default::default())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:333: replace ContractInterfaceVariable::from_map -> Vec<ContractInterfaceVariable> with vec![Default::default()]
+clarity/src/vm/test_util/mod.rs:263: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![Default::default()], 0))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:899: replace TypeChecker<'a, 'b>::track_return_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/functions/conversions.rs:96: replace native_buff_to_uint_le -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/serialization.rs:266: replace PrincipalData::inner_consensus_deserialize -> Result<PrincipalData, SerializationError> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:516: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:297: replace trait_type_size -> CheckResult<u64> with CheckResult::from_iter([1])
+clarity/src/vm/ast/stack_depth_checker.rs:48: replace <impl BuildASTPass for StackDepthChecker>::run_pass -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/errors.rs:157: replace <impl Error for Error>::source -> Option<&(dyn error::Error +'static)> with Some(&Default::default())
+clarity/src/vm/database/clarity_db.rs:163: replace <impl HeadersDB for &dyn HeadersDB>::get_consensus_hash_for_block -> Option<ConsensusHash> with Some(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:1083: replace Parser<'a>::parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/ast/parser/v1.rs:728: replace parse_no_stack_limit -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![Default::default()]])
+clarity/src/vm/database/clarity_db.rs:240: replace <impl BurnStateDB for &dyn BurnStateDB>::get_stacks_epoch_by_epoch_id -> Option<StacksEpoch> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:839: replace contract_analysis_size -> CheckResult<u64> with CheckResult::new()
+clarity/src/vm/mod.rs:234: replace apply -> Result<Value> with Ok(Default::default())
+clarity/src/vm/representations.rs:230: replace PreSymbolicExpression::cons -> PreSymbolicExpression with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:156: replace FunctionType::check_args_2_1 -> CheckResult<TypeSignature> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/ast/definition_sorter/mod.rs:345: replace DefinitionSorter::probe_for_dependencies_in_list_of_wrapped_key_value_pairs -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/analysis/read_only_checker/mod.rs:227: replace ReadOnlyChecker<'a, 'b>::check_read_only -> CheckResult<bool> with CheckResult::new(false)
+clarity/src/vm/ast/definition_sorter/mod.rs:115: replace DefinitionSorter::probe_for_dependencies -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/analysis/mod.rs:50: replace mem_type_check -> CheckResult<(Option<TypeSignature>, ContractAnalysis)> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:343: replace check_special_match_resp -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:287: replace check_special_set_var -> TypeResult with Default::default()
+clarity/src/vm/functions/arithmetic.rs:546: replace special_less -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1023: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::new(vec![])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:899: replace TypeChecker<'a, 'b>::track_return_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/errors.rs:175: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:785: replace clarity2_lookup_trait -> CheckResult<BTreeMap<ClarityName, FunctionSignature>> with CheckResult::from_iter([BTreeMap::from_iter([(Default::default(), Default::default())])])
+clarity/src/vm/functions/arithmetic.rs:369: replace native_bitwise_xor -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/types.rs:98: replace ContractAnalysis::take_contract_cost_tracker -> LimitedCostTracker with Default::default()
+clarity/src/vm/analysis/type_checker/contexts.rs:57: replace TypeMap::set_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/read_only_checker/mod.rs:227: replace ReadOnlyChecker<'a, 'b>::check_read_only -> CheckResult<bool> with CheckResult::from(false)
+clarity/src/vm/contexts.rs:990: replace Environment<'a, 'b, 'hooks>::eval_read_only_with_rules -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/types.rs:183: replace ContractAnalysis::get_persisted_variable_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/database/clarity_store.rs:291: replace <impl ClarityBackingStore for MemoryBackingStore>::set_block_hash -> InterpreterResult<StacksBlockId> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:751: replace TypeChecker<'a, 'b>::type_check_define_persisted_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from_iter([(Default::default(), Default::default())])
+clarity/src/vm/analysis/errors.rs:268: replace <impl Error for CheckErrors>::source -> Option<&(dyn error::Error +'static)> with Some(&Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:1062: replace Parser<'a>::parse_node_or_eof -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new(None)
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:292: replace ContractContext::add_used_trait -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/definition_sorter/mod.rs:369: replace DefinitionSorter::probe_for_dependencies_in_key_value_pair -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:367: replace check_special_element_at -> TypeResult with Default::default()
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::from_iter([Some("xyzzy".into())])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:320: replace ContractContext::get_function_type -> Option<&FunctionType> with Some(&Default::default())
+clarity/src/vm/analysis/analysis_db.rs:171: replace AnalysisDatabase<'a>::get_read_only_function_type -> CheckResult<Option<FunctionType>> with CheckResult::new(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:330: replace no_type -> TypeSignature with Default::default()
+clarity/src/vm/ast/mod.rs:153: replace build_ast_with_diagnostics -> (ContractAST, Vec<Diagnostic>, bool) with (Default::default(), vec![], true)
+clarity/src/vm/types/signatures.rs:1446: replace TypeSignature::parse_string_ascii_type_repr -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:59: replace <impl AnalysisPass for ReadOnlyChecker<'a, 'b>>::run_pass -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:539: replace check_contract_of -> TypeResult with Default::default()
+clarity/src/vm/representations.rs:516: replace SymbolicExpression::span -> &Span with &Default::default()
+clarity/src/vm/database/clarity_db.rs:1408: replace ClarityDatabase<'a>::set_entry -> Result<ValueResult> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:66: replace Lexer<'a>::add_diagnostic -> LexResult<()> with LexResult::from_iter([()])
+clarity/src/vm/database/structures.rs:870: replace STXBalance::canonical_repr_at_block -> (STXBalance, u128) with (Default::default(), 0)
+clarity/src/vm/functions/database.rs:512: replace special_set_entry_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::from_iter([Some(BTreeMap::new())])
+clarity/src/vm/functions/arithmetic.rs:419: replace special_geq -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/ast/definition_sorter/mod.rs:433: replace Graph::edges_count -> ParseResult<u64> with ParseResult::from_iter([0])
+clarity/src/vm/functions/arithmetic.rs:490: replace special_greater_v2 -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:246: replace Lexer<'a>::read_trait_identifier -> LexResult<Token> with LexResult::new(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/types/mod.rs:202: replace TraitIdentifier::parse -> Result<(Option<StandardPrincipalData>, ContractName, ClarityName)> with Ok((Some(Default::default()), Default::default(), Default::default()))
+clarity/src/vm/contexts.rs:652: replace OwnedEnvironment<'a, 'hooks>::execute_in_env -> std::result::Result<(A, AssetMap, Vec<StacksTransactionEvent>), E> with Ok((Default::default(), Default::default(), vec![]))
+clarity/src/vm/ast/parser/v2/mod.rs:119: replace Parser<'a>::add_diagnostic -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:706: replace Lexer<'a>::read_token -> Result<PlacedToken, LexerError> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:153: replace AnalysisDatabase<'a>::get_public_function_type -> CheckResult<Option<FunctionType>> with CheckResult::from_iter([None])
+clarity/src/vm/contexts.rs:1095: replace Environment<'a, 'b, 'hooks>::epoch -> &StacksEpochId with &Default::default()
+clarity/src/vm/ast/sugar_expander/mod.rs:56: replace SugarExpander::run -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/functions/arithmetic.rs:41: replace U128Ops::make_value -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:223: replace ContractContext::add_private_function_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1357: replace TypeChecker<'a, 'b>::type_check_define_persisted_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:120: replace inner_handle_tuple_get -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_db.rs:1625: replace ClarityDatabase<'a>::load_ft -> Result<FungibleTokenMetadata> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:119: replace Parser<'a>::add_diagnostic -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/ast/definition_sorter/mod.rs:433: replace Graph::edges_count -> ParseResult<u64> with ParseResult::from(1)
+clarity/src/vm/ast/definition_sorter/mod.rs:65: replace DefinitionSorter::run -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/database/clarity_db.rs:244: replace <impl BurnStateDB for &dyn BurnStateDB>::get_ast_rules -> ASTRules with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:288: replace Lexer<'a>::read_principal -> LexResult<Token> with LexResult::from(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:227: replace ReadOnlyChecker<'a, 'b>::check_read_only -> CheckResult<bool> with CheckResult::new(true)
+clarity/src/vm/analysis/types.rs:179: replace ContractAnalysis::get_variable_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/analysis/mod.rs:50: replace mem_type_check -> CheckResult<(Option<TypeSignature>, ContractAnalysis)> with CheckResult::from_iter([(Some(Default::default()), Default::default())])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:345: replace Lexer<'a>::read_hex -> LexResult<Token> with LexResult::new(Default::default())
+clarity/src/vm/functions/options.rs:73: replace native_unwrap_err -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:532: replace special_less_v2 -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:792: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::from_iter([(Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())]))])
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:582: replace check_principal_construct -> TypeResult with Default::default()
+clarity/src/vm/tests/mod.rs:131: replace tl_env_factory -> TopLevelMemoryEnvironmentGenerator with Default::default()
+clarity/src/vm/types/signatures.rs:985: replace TypeSignature::max_string_utf8 -> TypeSignature with Default::default()
+clarity/src/vm/functions/arithmetic.rs:381: replace native_bitwise_not -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/callables.rs:359: replace DefinedFunction::get_arg_types -> &Vec<TypeSignature> with &vec![Default::default()]
+clarity/src/vm/types/serialization.rs:1329: replace <impl StacksMessageCodec for Value>::consensus_deserialize -> Result<Value, codec_error> with Ok(Default::default())
+clarity/src/vm/mod.rs:314: replace eval -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:82: replace check_special_mint_asset -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:172: replace check_special_transfer_token -> TypeResult with Default::default()
+clarity/src/vm/ast/mod.rs:153: replace build_ast_with_diagnostics -> (ContractAST, Vec<Diagnostic>, bool) with (Default::default(), vec![Default::default()], true)
+clarity/src/vm/database/clarity_db.rs:647: replace ClarityDatabase<'a>::load_contract_analysis -> Option<ContractAnalysis> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:113: replace check_special_mint_token -> TypeResult with Default::default()
+clarity/src/vm/types/serialization.rs:126: replace <impl From for SerializationError>::from -> Self with Default::default()
+clarity/src/vm/functions/principals.rs:60: replace special_is_standard -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:508: replace parse_lexed -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/functions/define.rs:126: replace handle_define_variable -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:59: replace rollback_check_pre_bottom_commit -> Vec<(T, String)> with vec![(Default::default(), "xyzzy".into())]
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:571: replace clarity2_trait_check_trait_compliance -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/analysis_db.rs:171: replace AnalysisDatabase<'a>::get_read_only_function_type -> CheckResult<Option<FunctionType>> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:91: replace <impl CostTracker for TypeChecker<'_, '_>>::compute_cost -> Result<ExecutionCost, CostErrors> with Ok(Default::default())
+clarity/src/vm/functions/assets.rs:1061: replace special_burn_asset_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:213: replace ContractContext::add_read_only_function_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:140: replace Lexer<'a>::read_line -> LexResult<String> with LexResult::from("xyzzy".into())
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:260: replace check_special_fetch_var -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:297: replace trait_type_size -> CheckResult<u64> with CheckResult::new()
+clarity/src/vm/contexts.rs:1818: replace ContractContext::lookup_function -> Option<DefinedFunction> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:172: replace ContractContext::add_trait -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1414: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::from_iter([Some(())])
+clarity/src/vm/functions/arithmetic.rs:579: replace native_bitwise_left_shift -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/test_util/mod.rs:263: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![Default::default()], 1))
+clarity/src/vm/types/signatures.rs:1372: replace TypeSignature::parse_atom_type -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:203: replace ContractContext::add_public_function_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/functions/arithmetic.rs:448: replace special_leq_v2 -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![(Default::default(), 0, 1)])
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:49: replace check_special_some -> TypeResult with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:171: replace AnalysisDatabase<'a>::get_read_only_function_type -> CheckResult<Option<FunctionType>> with CheckResult::from_iter([Some(Default::default())])
+clarity/src/vm/database/clarity_store.rs:307: replace <impl ClarityBackingStore for MemoryBackingStore>::get_block_at_height -> Option<StacksBlockId> with Some(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:244: replace ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only -> CheckResult<bool> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:474: replace Lexer<'a>::read_utf8_encoding -> LexResult<Result<String, String>> with LexResult::from(Ok(String::new()))
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:325: replace check_special_equals -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:831: replace Value::err_uint -> Value with Default::default()
+clarity/src/vm/functions/arithmetic.rs:419: replace special_geq -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/mod.rs:50: replace mem_type_check -> CheckResult<(Option<TypeSignature>, ContractAnalysis)> with CheckResult::from((None, Default::default()))
+clarity/src/vm/costs/mod.rs:208: replace <impl From for CostStateSummary>::from -> CostStateSummary with Default::default()
+clarity/src/vm/representations.rs:356: replace PreSymbolicExpression::match_atom_value -> Option<&Value> with Some(&Default::default())
+clarity/src/vm/database/clarity_store.rs:223: replace <impl ClarityBackingStore for NullBackingStore>::set_block_hash -> Result<StacksBlockId> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:54: replace DefinitionSorter::run_pass -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/ast/parser/v2/mod.rs:807: replace Parser<'a>::parse_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new(None)
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:831: replace trait_type_size -> CheckResult<u64> with CheckResult::new()
+clarity/src/vm/types/mod.rs:1445: replace <impl From for Value>::from -> Self with Default::default()
+clarity/src/vm/database/clarity_db.rs:1263: replace ClarityDatabase<'a>::create_map -> DataMapMetadata with Default::default()
+clarity/src/vm/types/mod.rs:970: replace Value::string_utf8_from_string_utf8_literal -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/serialization.rs:522: replace Value::deserialize_read -> Result<Value, SerializationError> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:140: replace Lexer<'a>::read_line -> LexResult<String> with LexResult::new("xyzzy".into())
+clarity/src/vm/functions/database.rs:229: replace special_fetch_variable_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:508: replace parse_lexed -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![Default::default()])
+clarity/src/vm/representations.rs:520: replace SymbolicExpression::atom_value -> SymbolicExpression with Default::default()
+clarity/src/vm/analysis/type_checker/contexts.rs:97: replace TypingContext<'a>::lookup_variable_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:118: replace <impl AnalysisPass for TypeChecker<'_, '_>>::run_pass -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/docs/contracts.rs:178: replace produce_docs_refs -> BTreeMap<String, ContractRef> with BTreeMap::from_iter([("xyzzy".into(), Default::default())])
+clarity/src/vm/ast/parser/v2/mod.rs:283: replace Parser<'a>::handle_open_tuple -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from(None)
+clarity/src/vm/ast/definition_sorter/mod.rs:54: replace DefinitionSorter::run_pass -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/functions/arithmetic.rs:369: replace native_bitwise_xor -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1023: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::from_iter([vec![Default::default()]])
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:62: replace check_special_map -> TypeResult with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:227: replace ReadOnlyChecker<'a, 'b>::check_read_only -> CheckResult<bool> with CheckResult::from(true)
+clarity/src/vm/types/mod.rs:1427: replace <impl From for Value>::from -> Self with Default::default()
+clarity/src/vm/types/mod.rs:1527: replace TupleData::get_owned -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![(Default::default(), 0, 1)])
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:60: replace check_special_error -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v1.rs:728: replace parse_no_stack_limit -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![Default::default()])
+clarity/src/vm/functions/options.rs:112: replace eval_with_new_binding -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:324: replace DefinitionSorter::probe_for_dependencies_in_define_args -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![])
+clarity/src/vm/database/clarity_db.rs:724: replace ClarityDatabase<'a>::get_clarity_epoch_version -> StacksEpochId with Default::default()
+clarity/src/vm/database/clarity_db.rs:1361: replace ClarityDatabase<'a>::fetch_entry_with_size -> Result<ValueResult> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:156: replace FunctionType::check_args_2_1 -> CheckResult<TypeSignature> with CheckResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:134: replace check_special_asserts -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_db.rs:343: replace <impl BurnStateDB for NullBurnStateDB>::get_sortition_id_from_consensus_hash -> Option<SortitionId> with Some(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:1062: replace Parser<'a>::parse_node_or_eof -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from_iter([Some(Default::default())])
+clarity/src/vm/contexts.rs:1760: replace GlobalContext<'a, 'hooks>::handle_tx_result -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:942: replace Value::buff_from -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:634: replace ClarityDatabase<'a>::fetch_metadata_manual -> Result<Option<T>> with Ok(Some(Default::default()))
+clarity/src/vm/functions/conversions.rs:88: replace native_buff_to_int_le -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:194: replace ContractContext::get_persisted_variable_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:1083: replace Parser<'a>::parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:265: replace check_special_fetch_var -> TypeResult with Default::default()
+clarity/src/vm/functions/sequences.rs:409: replace special_replace_at -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/structures.rs:748: replace STXBalance::initial -> STXBalance with Default::default()
+clarity/src/vm/ast/expression_identifier/mod.rs:40: replace update_expression_id -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1023: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::new()
+clarity/src/vm/functions/arithmetic.rs:579: replace native_bitwise_left_shift -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:66: replace Lexer<'a>::add_diagnostic -> LexResult<()> with LexResult::new()
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::from(None)
+clarity/src/vm/contexts.rs:1246: replace Environment<'a, 'b, 'hooks>::evaluate_at_block -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/conversions.rs:242: replace from_consensus_buff -> Result<Value> with Ok(Default::default())
+clarity/src/vm/version.rs:27: replace ClarityVersion::default_for_epoch -> ClarityVersion with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:269: replace ContractContext::add_nft -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/read_only_checker/mod.rs:281: replace ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only -> CheckResult<bool> with CheckResult::from_iter([true])
+clarity/src/vm/callables.rs:355: replace DefinedFunction::get_arguments -> &Vec<ClarityName> with &vec![Default::default()]
+clarity/src/vm/contexts.rs:490: replace AssetMap::get_nonfungible_tokens -> Option<&Vec<Value>> with Some(&vec![])
+clarity/src/vm/analysis/arithmetic_checker/mod.rs:60: replace <impl Error for Error>::source -> Option<&(dyn std::error::Error +'static)> with Some(&Default::default())
+clarity/src/vm/functions/arithmetic.rs:557: replace native_sub -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/database/clarity_db.rs:937: replace ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height -> Option<(Vec<TupleData>, u128)> with Some((vec![Default::default()], 1))
+clarity/src/vm/errors.rs:199: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/types/serialization.rs:1133: replace Value::try_deserialize_hex_untyped -> Result<Value, SerializationError> with Ok(Default::default())
+clarity/src/vm/analysis/types.rs:190: replace ContractAnalysis::get_defined_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with Some(&BTreeMap::from_iter([(Default::default(), Default::default())]))
+clarity/src/vm/functions/arithmetic.rs:47: replace I128Ops::make_value -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/ast/parser/v1.rs:728: replace parse_no_stack_limit -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:250: replace check_special_get_token_supply -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:306: replace check_special_match_opt -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:1109: replace parse_collect_diagnostics -> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool) with (vec![Default::default()], vec![], true)
+clarity/src/vm/test_util/mod.rs:125: replace <impl HeadersDB for UnitTestHeaderDB>::get_burn_header_hash_for_block -> Option<BurnchainHeaderHash> with Some(Default::default())
+clarity/src/vm/contexts.rs:1069: replace Environment<'a, 'b, 'hooks>::eval_raw -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:462: replace unescape_ascii_chars -> ParseResult<String> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:79: replace ContractContext::check_function_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/docs/mod.rs:2557: replace make_for_special -> FunctionAPI with Default::default()
+clarity/src/vm/types/mod.rs:247: replace SequenceData::atom_values -> Vec<SymbolicExpression> with vec![Default::default()]
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:785: replace clarity2_lookup_trait -> CheckResult<BTreeMap<ClarityName, FunctionSignature>> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:808: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::new(Some(()))
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:172: replace ContractContext::add_trait -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/analysis_db.rs:208: replace AnalysisDatabase<'a>::get_implemented_traits -> CheckResult<BTreeSet<TraitIdentifier>> with CheckResult::from_iter([BTreeSet::from_iter([Default::default()])])
+clarity/src/vm/functions/arithmetic.rs:490: replace special_greater_v2 -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:358: replace TypeChecker<'a, 'b>::track_return_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/mod.rs:130: replace build_ast_typical -> ParseResult<ContractAST> with ParseResult::new(Default::default())
+clarity/src/vm/docs/mod.rs:2532: replace make_keyword_reference -> Option<KeywordAPI> with Some(Default::default())
+clarity/src/vm/types/mod.rs:653: replace <impl SequencedValue for ASCIIData>::items -> &Vec<u8> with &vec![1]
+clarity/src/vm/ast/expression_identifier/mod.rs:40: replace update_expression_id -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/analysis/read_only_checker/mod.rs:430: replace ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only -> CheckResult<bool> with CheckResult::new(true)
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1346: replace TypeChecker<'a, 'b>::type_check_define_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from((Default::default(), Default::default()))
+clarity/src/vm/version.rs:24: replace ClarityVersion::latest -> ClarityVersion with Default::default()
+clarity/src/vm/functions/arithmetic.rs:47: replace I128Ops::make_value -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/ast/definition_sorter/mod.rs:357: replace DefinitionSorter::probe_for_dependencies_in_wrapped_key_value_pairs -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/types/mod.rs:299: replace SequenceData::replace_at -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::from(Some(BTreeMap::from_iter([(Default::default(), Default::default())])))
+clarity/src/vm/database/clarity_db.rs:395: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![Default::default()], 1))
+clarity/src/vm/functions/boolean.rs:58: replace special_and -> Result<Value> with Ok(Default::default())
+clarity/src/vm/docs/mod.rs:828: replace make_for_simple_native -> FunctionAPI with Default::default()
+clarity/src/vm/functions/define.rs:411: replace evaluate_define -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/functions/database.rs:642: replace special_delete_entry_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/signatures.rs:1054: replace TypeSignature::least_supertype -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::new()
+clarity/src/vm/functions/crypto.rs:102: replace special_principal_of -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:345: replace DefinitionSorter::probe_for_dependencies_in_list_of_wrapped_key_value_pairs -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:326: replace Lexer<'a>::read_integer -> LexResult<Token> with LexResult::new()
+clarity/src/vm/database/clarity_db.rs:1928: replace ClarityDatabase<'a>::get_account_stx_balance -> STXBalance with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:283: replace Parser<'a>::handle_open_tuple -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::from(vec![1])
+clarity/src/vm/docs/contracts.rs:69: replace doc_execute -> Result<Option<Value>, vm::Error> with Ok(Some(Default::default()))
+clarity/src/vm/test_util/mod.rs:135: replace <impl HeadersDB for UnitTestHeaderDB>::get_vrf_seed_for_block -> Option<VRFSeed> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:751: replace TypeChecker<'a, 'b>::type_check_define_persisted_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from((Default::default(), Default::default()))
+clarity/src/vm/analysis/read_only_checker/mod.rs:430: replace ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only -> CheckResult<bool> with CheckResult::new(false)
+clarity/src/vm/ast/parser/v1.rs:101: replace get_value_or_err -> ParseResult<String> with ParseResult::from("xyzzy".into())
+clarity/src/vm/contracts.rs:44: replace Contract::initialize_from_ast -> Result<Contract> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::new(Some(BTreeMap::new()))
+clarity/src/vm/contexts.rs:905: replace <impl CostTracker for GlobalContext<'_, '_>>::compute_cost -> std::result::Result<ExecutionCost, CostErrors> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![(Default::default(), 1, 1)])
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:74: replace check_special_is_response -> TypeResult with Default::default()
+clarity/src/vm/ast/expression_identifier/mod.rs:23: replace inner_relabel -> ParseResult<u64> with ParseResult::new(0)
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:516: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::new(vec![Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:259: replace ContractContext::add_ft -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:429: replace TypeChecker<'a, 'b>::type_check_expects -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:39: replace get_simple_native_or_user_define -> CheckResult<FunctionType> with CheckResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:571: replace clarity2_trait_check_trait_compliance -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/functions/arithmetic.rs:462: replace special_leq -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/costs/mod.rs:677: replace LimitedCostTracker::new_mid_block -> Result<LimitedCostTracker> with Ok(Default::default())
+clarity/src/vm/contexts.rs:871: replace <impl CostTracker for Environment<'_, '_, '_>>::compute_cost -> std::result::Result<ExecutionCost, CostErrors> with Ok(Default::default())
+clarity/src/vm/representations.rs:475: replace SymbolicExpression::cons -> SymbolicExpression with Default::default()
+clarity/src/vm/representations.rs:211: replace <impl SymbolicExpressionCommon for SymbolicExpression>::match_list_mut -> Option<&mut[SymbolicExpression]> with Some(Vec::leak(vec![Default::default()]))
+clarity/src/vm/functions/arithmetic.rs:557: replace native_sub -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/functions/arithmetic.rs:405: replace special_geq_v2 -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/types/signatures.rs:721: replace TypeSignature::canonicalize -> TypeSignature with Default::default()
+clarity/src/vm/functions/sequences.rs:38: replace list_cons -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:1451: replace <impl From for Value>::from -> Self with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:281: replace ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only -> CheckResult<bool> with CheckResult::from_iter([false])
+clarity/src/vm/ast/types.rs:67: replace ContractAST::get_referenced_trait -> Option<&TraitDefinition> with Some(&Default::default())
+clarity/src/vm/functions/arithmetic.rs:532: replace special_less_v2 -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:389: replace Lexer<'a>::read_ascii_string -> LexResult<Token> with LexResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:213: replace ContractContext::add_read_only_function_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/contexts.rs:1420: replace Environment<'a, 'b, 'hooks>::construct_print_transaction_event -> StacksTransactionEvent with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:208: replace AnalysisDatabase<'a>::get_implemented_traits -> CheckResult<BTreeSet<TraitIdentifier>> with CheckResult::from(BTreeSet::new())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:78: replace Lexer<'a>::read_char -> LexResult<()> with LexResult::new(())
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::from_iter([(Default::default(), vec![], false)])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:223: replace ContractContext::add_private_function_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:228: replace check_special_let -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:463: replace Parser<'a>::open_tuple -> ParseResult<SetupTupleResult> with ParseResult::new(Default::default())
+clarity/src/vm/representations.rs:334: replace PreSymbolicExpression::placeholder -> PreSymbolicExpression with Default::default()
+clarity/src/vm/functions/mod.rs:573: replace native_eq -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:111: replace Lexer<'a>::report_line_ending -> LexResult<()> with LexResult::new(())
+clarity/src/vm/types/signatures.rs:486: replace TypeSignature::new_option -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1385: replace TypeChecker<'a, 'b>::type_check_define_nft -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from((Default::default(), Default::default()))
+clarity/src/vm/contexts.rs:829: replace OwnedEnvironment<'a, 'hooks>::eval_read_only -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![Default::default()]))
+clarity/src/vm/types/mod.rs:1406: replace <impl From for StacksAddress>::from -> StacksAddress with Default::default()
+clarity/src/vm/contexts.rs:1209: replace Environment<'a, 'b, 'hooks>::execute_function_as_transaction -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:728: replace parse_no_stack_limit -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/representations.rs:602: replace SymbolicExpression::match_trait_reference -> Option<&ClarityName> with Some(&Default::default())
+clarity/src/vm/types/mod.rs:716: replace OptionalData::type_signature -> TypeSignature with Default::default()
+clarity/src/vm/functions/arithmetic.rs:391: replace special_geq_v1 -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/ast/parser/v2/mod.rs:807: replace Parser<'a>::parse_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new(Some(Default::default()))
+clarity/src/vm/database/clarity_db.rs:454: replace ClarityDatabase<'a>::set_block_hash -> Result<StacksBlockId> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:101: replace get_value_or_err -> ParseResult<String> with ParseResult::from_iter(["xyzzy".into()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:516: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::new(vec![])
+clarity/src/vm/analysis/read_only_checker/mod.rs:430: replace ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only -> CheckResult<bool> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:128: replace Lexer<'a>::skip_whitespace -> LexResult<()> with LexResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:217: replace check_special_try_ret -> TypeResult with Default::default()
+clarity/src/vm/database/key_value_wrapper.rs:338: replace RollbackWrapper<'a>::set_block_hash -> InterpreterResult<StacksBlockId> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:299: replace check_special_burn_token -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:808: replace Value::some -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:168: replace ContractContext::check_name_used -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/traits_resolver/mod.rs:36: replace <impl BuildASTPass for TraitsResolver>::run_pass -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/tests/contracts.rs:91: replace get_principal_as_principal_data -> PrincipalData with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1372: replace TypeChecker<'a, 'b>::type_check_define_ft -> CheckResult<ClarityName> with CheckResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:253: replace ContractContext::add_persisted_variable_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![(Default::default(), 0, 0)])
+clarity/src/vm/functions/conversions.rs:106: replace native_buff_to_int_be::convert_to_int_be -> Value with Default::default()
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::new(vec![1])
+clarity/src/vm/functions/assets.rs:305: replace special_mint_token -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/mod.rs:606: replace special_print -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:307: replace DefinitionSorter::probe_for_dependencies_in_tuple -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:177: replace ContractContext::add_implemented_trait -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/contexts.rs:1044: replace Environment<'a, 'b, 'hooks>::eval_raw_with_rules -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![])
+clarity/src/vm/database/structures.rs:234: replace <impl ClarityDeserializable for STXBalance>::deserialize -> Self with Default::default()
+clarity/src/vm/database/clarity_store.rs:291: replace <impl ClarityBackingStore for MemoryBackingStore>::set_block_hash -> InterpreterResult<StacksBlockId> with InterpreterResult::new(Default::default())
+clarity/src/vm/ast/sugar_expander/mod.rs:56: replace SugarExpander::run -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:685: replace TypedNativeFunction::type_check_application -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1372: replace TypeChecker<'a, 'b>::type_check_define_ft -> CheckResult<ClarityName> with CheckResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:223: replace ContractContext::add_private_function_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/functions/arithmetic.rs:476: replace special_greater_v1 -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:182: replace ReadOnlyChecker<'a, 'b>::check_reads_only_valid -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:626: replace TypeChecker<'a, 'b>::type_check_define_map -> CheckResult<(ClarityName, (TypeSignature, TypeSignature))> with CheckResult::from_iter([(Default::default(), (Default::default(), Default::default()))])
+clarity/src/vm/ast/parser/v1.rs:101: replace get_value_or_err -> ParseResult<String> with ParseResult::new()
+clarity/src/vm/ast/stack_depth_checker.rs:48: replace <impl BuildASTPass for StackDepthChecker>::run_pass -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:146: replace ContractContext::add_persisted_variable_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/functions/arithmetic.rs:639: replace native_to_int -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/database/clarity_db.rs:1213: replace ClarityDatabase<'a>::lookup_variable -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:391: replace special_geq_v1 -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:792: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::from((Default::default(), BTreeMap::new()))
+clarity/src/vm/analysis/read_only_checker/mod.rs:182: replace ReadOnlyChecker<'a, 'b>::check_reads_only_valid -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:246: replace Lexer<'a>::read_trait_identifier -> LexResult<Token> with LexResult::from_iter([Default::default()])
+clarity/src/vm/ast/parser/v2/mod.rs:521: replace Parser<'a>::read_principal -> ParseResult<PreSymbolicExpression> with ParseResult::new()
+clarity/src/vm/analysis/trait_checker/mod.rs:55: replace TraitChecker::run -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:554: replace native_add -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:359: replace check_contract_call -> TypeResult with Default::default()
+clarity/src/vm/test_util/mod.rs:65: replace symbols_from_values -> Vec<SymbolicExpression> with vec![Default::default()]
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:389: replace Lexer<'a>::read_ascii_string -> LexResult<Token> with LexResult::new(Default::default())
+clarity/src/vm/costs/mod.rs:820: replace LimitedCostTracker::get_limit -> ExecutionCost with Default::default()
+clarity/src/vm/functions/arithmetic.rs:579: replace native_bitwise_left_shift -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/types/signatures.rs:329: replace <impl From for TypeSignature>::from -> Self with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs:195: replace check_special_get_token_supply -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:202: replace TraitIdentifier::parse -> Result<(Option<StandardPrincipalData>, ContractName, ClarityName)> with Ok((None, Default::default(), Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:182: replace ContractContext::get_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with Some(&BTreeMap::from_iter([(Default::default(), Default::default())]))
+clarity/src/vm/functions/arithmetic.rs:448: replace special_leq_v2 -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:233: replace ContractContext::add_map_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/tests/mod.rs:147: replace TopLevelMemoryEnvironmentGenerator::get_env -> OwnedEnvironment with Default::default()
+clarity/src/vm/functions/arithmetic.rs:532: replace special_less_v2 -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/types/signatures.rs:128: replace SequenceSubtype::unit_type -> TypeSignature with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:111: replace Lexer<'a>::report_line_ending -> LexResult<()> with LexResult::new()
+clarity/src/vm/functions/arithmetic.rs:377: replace native_bitwise_or -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:1083: replace Parser<'a>::parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![Default::default()])
+clarity/src/vm/contexts.rs:852: replace OwnedEnvironment<'a, 'hooks>::destruct -> Option<(ClarityDatabase<'a>, LimitedCostTracker)> with Some((Default::default(), Default::default()))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:156: replace FunctionType::check_args_2_1 -> CheckResult<TypeSignature> with CheckResult::from(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:1093: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![])
+clarity/src/vm/functions/arithmetic.rs:563: replace native_div -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:839: replace contract_analysis_size -> CheckResult<u64> with CheckResult::from_iter([1])
+clarity/src/vm/functions/mod.rs:197: replace NativeFunctions::lookup_by_name_at_version -> Option<NativeFunctions> with Some(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:283: replace Parser<'a>::handle_open_tuple -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new(Some(Default::default()))
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::from_iter([Some(BTreeMap::from_iter([(Default::default(), Default::default())]))])
+clarity/src/vm/ast/mod.rs:103: replace build_ast_with_rules -> ParseResult<ContractAST> with ParseResult::new()
+clarity/src/vm/functions/arithmetic.rs:490: replace special_greater_v2 -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/read_only_checker/mod.rs:268: replace ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only -> Option<CheckResult<bool>> with Some(CheckResult::new(true))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1229: replace TypeChecker<'a, 'b>::clarity1_type_check_expects -> TypeResult with Default::default()
+clarity/src/vm/functions/arithmetic.rs:391: replace special_geq_v1 -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:415: replace FunctionType::check_args_by_allowing_trait_cast_2_1 -> CheckResult<TypeSignature> with CheckResult::new(Default::default())
+clarity/src/vm/types/signatures.rs:464: replace ListTypeData::destruct -> (TypeSignature, u32) with (Default::default(), 0)
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:86: replace TraitContext::add_used_trait -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::from(Some("xyzzy".into()))
+clarity/src/vm/functions/arithmetic.rs:572: replace native_log2 -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/database/clarity_db.rs:1317: replace ClarityDatabase<'a>::fetch_entry_unknown_descriptor -> Result<Value> with Ok(Default::default())
+clarity/src/vm/costs/mod.rs:1186: replace ExecutionCost::runtime -> ExecutionCost with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:77: replace check_special_is_response -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![])
+clarity/src/vm/analysis/trait_checker/mod.rs:55: replace TraitChecker::run -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::new(vec![0])
+clarity/src/vm/representations.rs:586: replace SymbolicExpression::match_atom_value -> Option<&Value> with Some(&Default::default())
+clarity/src/vm/analysis/type_checker/contexts.rs:57: replace TypeMap::set_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/mod.rs:309: replace build_ast -> ParseResult<ContractAST> with ParseResult::new(Default::default())
+clarity/src/vm/contexts.rs:408: replace AssetMap::to_table -> HashMap<PrincipalData, HashMap<AssetIdentifier, AssetMapEntry>> with HashMap::from_iter([(Default::default(), HashMap::new())])
+clarity/src/vm/functions/arithmetic.rs:405: replace special_geq_v2 -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:512: replace check_get_block_info -> TypeResult with Default::default()
+clarity/src/vm/analysis/errors.rs:248: replace <impl From for CheckErrors>::from -> Self with Default::default()
+clarity/src/vm/ast/traits_resolver/mod.rs:182: replace TraitsResolver::try_parse_pre_expr -> Option<(DefineFunctions, Vec<&'a PreSymbolicExpression>)> with Some((Default::default(), vec![&Default::default()]))
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:792: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::new((Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())])))
+clarity/src/vm/functions/arithmetic.rs:546: replace special_less -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:123: replace <impl AnalysisPass for TypeChecker<'_, '_>>::run_pass -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:253: replace ContractContext::add_persisted_variable_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/parser/v2/mod.rs:1093: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![Default::default()])
+clarity/src/vm/analysis/analysis_db.rs:153: replace AnalysisDatabase<'a>::get_public_function_type -> CheckResult<Option<FunctionType>> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/mod.rs:119: replace Parser<'a>::add_diagnostic -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/contexts.rs:815: replace OwnedEnvironment<'a, 'hooks>::eval_read_only_with_rules -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![Default::default()]))
+clarity/src/vm/database/clarity_db.rs:1115: replace map_no_contract_as_none -> Result<Option<T>> with Ok(Some(Default::default()))
+clarity/src/vm/analysis/analysis_db.rs:123: replace AnalysisDatabase<'a>::insert_contract -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/test_util/mod.rs:110: replace <impl From for PrincipalData>::from -> PrincipalData with Default::default()
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/database/sqlite.rs:187: replace SqliteConnection::open -> Result<Connection> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:489: replace check_secp256k1_recover -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:119: replace Parser<'a>::add_diagnostic -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/ast/parser/v1.rs:101: replace get_value_or_err -> ParseResult<String> with ParseResult::new("xyzzy".into())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:766: replace TypeChecker<'a, 'b>::type_check_define_ft -> CheckResult<ClarityName> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:831: replace trait_type_size -> CheckResult<u64> with CheckResult::from_iter([1])
+clarity/src/vm/database/clarity_store.rs:243: replace <impl ClarityBackingStore for NullBackingStore>::get_open_chain_tip -> StacksBlockId with Default::default()
+clarity/src/vm/ast/mod.rs:87: replace ast_check_size -> ParseResult<ContractAST> with ParseResult::from(Default::default())
+clarity/src/vm/types/mod.rs:1421: replace <impl From for Value>::from -> Self with Default::default()
+clarity/src/vm/functions/database.rs:333: replace special_set_variable_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:779: replace TypeChecker<'a, 'b>::type_check_define_nft -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from_iter([(Default::default(), Default::default())])
+clarity/src/vm/types/mod.rs:169: replace <impl StacksAddressExtensions for StacksAddress>::to_account_principal -> PrincipalData with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:283: replace Parser<'a>::handle_open_tuple -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from_iter([Some(Default::default())])
+clarity/src/vm/analysis/type_checker/mod.rs:45: replace FunctionType::check_args -> CheckResult<TypeSignature> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:415: replace FunctionType::check_args_by_allowing_trait_cast_2_1 -> CheckResult<TypeSignature> with CheckResult::from(Default::default())
+clarity/src/vm/functions/crypto.rs:139: replace special_secp256k1_recover -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/expression_identifier/mod.rs:51: replace ExpressionIdentifier::run_pre_expression_pass -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![(Default::default(), 1, 0)]])
+clarity/src/vm/analysis/trait_checker/mod.rs:55: replace TraitChecker::run -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:929: replace TypeChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/parser/v2/mod.rs:807: replace Parser<'a>::parse_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/contexts.rs:705: replace OwnedEnvironment<'a, 'hooks>::initialize_versioned_contract -> Result<((), AssetMap, Vec<StacksTransactionEvent>)> with Ok(((), Default::default(), vec![Default::default()]))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:123: replace <impl AnalysisPass for TypeChecker<'_, '_>>::run_pass -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1414: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::from_iter([None])
+clarity/src/vm/ast/parser/v2/mod.rs:1093: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![])
+clarity/src/vm/errors.rs:163: replace <impl Error for RuntimeErrorType>::source -> Option<&(dyn error::Error +'static)> with Some(&Default::default())
+clarity/src/vm/analysis/analysis_db.rs:123: replace AnalysisDatabase<'a>::insert_contract -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/types.rs:171: replace ContractAnalysis::get_private_function -> Option<&FunctionType> with Some(&Default::default())
+clarity/src/vm/types/signatures.rs:1167: replace TypeSignature::least_supertype_v2_1 -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![(Default::default(), 0, 1)])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:233: replace ContractContext::add_map_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:566: replace native_pow -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/functions/arithmetic.rs:369: replace native_bitwise_xor -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/representations.rs:380: replace PreSymbolicExpression::match_field_identifier -> Option<&TraitIdentifier> with Some(&Default::default())
+clarity/src/vm/database/clarity_store.rs:217: replace NullBackingStore::as_analysis_db -> AnalysisDatabase with Default::default()
+clarity/src/vm/types/mod.rs:676: replace <impl SequencedValue for UTF8Data>::items -> &Vec<Vec<u8>> with &vec![]
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:28: replace build_contract_interface -> ContractInterface with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:152: replace ContractContext::add_ft -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/mod.rs:288: replace build_ast_precheck_size -> ParseResult<ContractAST> with ParseResult::new(Default::default())
+clarity/src/vm/ast/parser/v1.rs:720: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:162: replace ContractContext::add_nft -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:116: replace ContractContext::add_private_function_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:288: replace Lexer<'a>::read_principal -> LexResult<Token> with LexResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:221: replace check_special_let -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v1.rs:720: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:345: replace Lexer<'a>::read_hex -> LexResult<Token> with LexResult::from_iter([Default::default()])
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::new(Some(String::new()))
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:345: replace Lexer<'a>::read_hex -> LexResult<Token> with LexResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:255: replace check_special_unwrap -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:136: replace ContractContext::add_variable_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/errors.rs:181: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:516: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::from_iter([vec![Default::default()]])
+clarity/src/vm/analysis/type_checker/mod.rs:45: replace FunctionType::check_args -> CheckResult<TypeSignature> with CheckResult::from(Default::default())
+clarity/src/vm/callables.rs:394: replace FunctionIdentifier::new_user_function -> FunctionIdentifier with Default::default()
+clarity/src/vm/types/signatures.rs:59: replace AssetIdentifier::STX_burned -> AssetIdentifier with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:892: replace TypeChecker<'a, 'b>::into_contract_analysis -> LimitedCostTracker with Default::default()
+clarity/src/vm/costs/mod.rs:395: replace load_cost_functions -> Result<CostStateSummary> with Ok(Default::default())
+clarity/src/vm/errors.rs:205: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:219: replace Parser<'a>::handle_open_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:64: replace check_special_list_cons -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:1487: replace TupleData::from_data -> Result<TupleData> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:629: replace native_to_uint -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:190: replace ContractContext::get_variable_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/types/signatures.rs:243: replace FunctionArgSignature::canonicalize -> FunctionArgSignature with Default::default()
+clarity/src/vm/functions/arithmetic.rs:629: replace native_to_uint -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:141: replace check_special_get -> TypeResult with Default::default()
+clarity/src/vm/functions/assets.rs:499: replace special_transfer_asset_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/costs/mod.rs:807: replace LimitedCostTracker::get_total -> ExecutionCost with Default::default()
+clarity/src/vm/types/mod.rs:615: replace <impl SequencedValue for ListData>::items -> &Vec<Value> with &vec![]
+clarity/src/vm/database/clarity_db.rs:926: replace ClarityDatabase<'a>::get_burnchain_block_header_hash_for_burnchain_height -> Option<BurnchainHeaderHash> with Some(Default::default())
+clarity/src/vm/ast/mod.rs:130: replace build_ast_typical -> ParseResult<ContractAST> with ParseResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/maps.rs:153: replace check_special_set_entry -> TypeResult with Default::default()
+clarity/src/vm/functions/database.rs:555: replace special_insert_entry_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:929: replace TypeChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/contexts.rs:583: replace OwnedEnvironment<'a, 'hooks>::new_max_limit -> OwnedEnvironment<'a, '_> with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:41: replace AnalysisDatabase<'a>::new_with_rollback_wrapper -> AnalysisDatabase<'a> with Default::default()
+clarity/src/vm/functions/arithmetic.rs:448: replace special_leq_v2 -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:1109: replace parse_collect_diagnostics -> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool) with (vec![Default::default()], vec![Default::default()], true)
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::from_iter([Some("xyzzy".into())])
+clarity/src/vm/database/clarity_db.rs:853: replace ClarityDatabase<'a>::get_block_header_hash -> BlockHeaderHash with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1171: replace TypeChecker<'a, 'b>::type_check_function_application -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_db.rs:160: replace <impl HeadersDB for &dyn HeadersDB>::get_burn_header_hash_for_block -> Option<BurnchainHeaderHash> with Some(Default::default())
+clarity/src/vm/mod.rs:545: replace execute_against_version -> Result<Option<Value>> with Ok(Some(Default::default()))
+clarity/src/vm/representations.rs:348: replace PreSymbolicExpression::match_trait_reference -> Option<&ClarityName> with Some(&Default::default())
+clarity/src/vm/types/mod.rs:858: replace Value::error -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:1141: replace ClarityDatabase<'a>::load_variable -> Result<DataVariableMetadata> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:288: replace Lexer<'a>::read_principal -> LexResult<Token> with LexResult::new(Default::default())
+clarity/src/vm/representations.rs:136: replace <impl StacksMessageCodec for ContractName>::consensus_deserialize -> Result<ContractName, codec_error> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:170: replace ReadOnlyChecker<'a, 'b>::check_define_function -> CheckResult<(ClarityName, bool)> with CheckResult::from((Default::default(), true))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1023: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::from_iter([vec![]])
+clarity/src/vm/ast/parser/v1.rs:720: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![Default::default()])
+clarity/src/vm/functions/options.rs:234: replace native_is_some -> Result<Value> with Ok(Default::default())
+clarity/src/vm/costs/mod.rs:1099: replace <impl FromSql for ExecutionCost>::column_result -> FromSqlResult<ExecutionCost> with FromSqlResult::new()
+clarity/src/vm/functions/arithmetic.rs:391: replace special_geq_v1 -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/functions/arithmetic.rs:419: replace special_geq -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/functions/options.rs:202: replace special_match -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:297: replace trait_type_size -> CheckResult<u64> with CheckResult::from(1)
+clarity/src/vm/database/clarity_db.rs:778: replace ClarityDatabase<'a>::destroy -> RollbackWrapper<'a> with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:59: replace <impl AnalysisPass for ReadOnlyChecker<'a, 'b>>::run_pass -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/types/signatures.rs:1312: replace TypeSignature::type_of -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:808: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:808: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::from(Some(()))
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:243: replace ContractContext::add_variable_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/types/mod.rs:1533: replace TupleData::shallow_merge -> Result<TupleData> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/maps.rs:73: replace check_special_delete_entry -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:422: replace check_special_slice -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:415: replace FunctionType::check_args_by_allowing_trait_cast_2_1 -> CheckResult<TypeSignature> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/ast/parser/v1.rs:508: replace parse_lexed -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![Default::default()]])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:296: replace ContractContext::add_implemented_trait -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:165: replace inner_unwrap_err -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:676: replace <impl SequencedValue for UTF8Data>::items -> &Vec<Vec<u8>> with &vec![vec![1]]
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:311: replace Lexer<'a>::read_unsigned -> LexResult<Token> with LexResult::from_iter([Default::default()])
+clarity/src/vm/contexts.rs:1903: replace LocalContext<'a>::lookup_variable -> Option<&Value> with Some(&Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:288: replace Lexer<'a>::read_principal -> LexResult<Token> with LexResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:118: replace check_special_filter -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:626: replace TypeChecker<'a, 'b>::type_check_define_map -> CheckResult<(ClarityName, (TypeSignature, TypeSignature))> with CheckResult::new()
+clarity/src/vm/costs/mod.rs:1099: replace <impl FromSql for ExecutionCost>::column_result -> FromSqlResult<ExecutionCost> with FromSqlResult::from_iter([Default::default()])
+clarity/src/vm/functions/define.rs:277: replace DefineFunctions::try_parse -> Option<(DefineFunctions, &[SymbolicExpression])> with Some((Default::default(), Vec::leak(vec![Default::default()])))
+clarity/src/vm/ast/definition_sorter/mod.rs:433: replace Graph::edges_count -> ParseResult<u64> with ParseResult::from_iter([1])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:516: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::from(vec![])
+clarity/src/vm/functions/options.rs:250: replace native_okay -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/serialization.rs:295: replace <impl StacksMessageCodec for PrincipalData>::consensus_deserialize -> Result<PrincipalData, codec_error> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:128: replace Lexer<'a>::skip_whitespace -> LexResult<()> with LexResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:292: replace check_special_set_var -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1156: replace TypeChecker<'a, 'b>::try_native_function_check -> Option<TypeResult> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:243: replace ContractContext::add_variable_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/crypto.rs:181: replace special_secp256k1_verify -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:929: replace TypeChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:740: replace TypeChecker<'a, 'b>::type_check_define_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new((Default::default(), Default::default()))
+clarity/src/vm/types/signatures.rs:972: replace TypeSignature::min_string_utf8 -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:535: replace TypeChecker<'a, 'b>::get_function_type -> Option<FunctionType> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:452: replace check_contract_of -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:185: replace Lexer<'a>::proceed_through_error_string -> LexResult<String> with LexResult::from_iter(["xyzzy".into()])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:162: replace ContractContext::add_nft -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:388: replace TypeChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:267: replace check_special_unwrap_err -> TypeResult with Default::default()
+clarity/src/vm/mod.rs:136: replace CostSynthesis::from_cost_tracker -> CostSynthesis with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:839: replace contract_analysis_size -> CheckResult<u64> with CheckResult::from(0)
+clarity/src/vm/types/mod.rs:661: replace <impl SequencedValue for ASCIIData>::type_signature -> TypeSignature with Default::default()
+clarity/src/vm/functions/arithmetic.rs:373: replace native_bitwise_and -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/functions/arithmetic.rs:364: replace native_xor -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:210: replace Lexer<'a>::read_identifier -> LexResult<Token> with LexResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/contexts.rs:57: replace TypeMap::set_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/types/mod.rs:633: replace <impl SequencedValue for BuffData>::items -> &Vec<u8> with &vec![1]
+clarity/src/vm/ast/definition_sorter/mod.rs:307: replace DefinitionSorter::probe_for_dependencies_in_tuple -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:538: replace TypedNativeFunction::type_check_application -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1414: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::new(None)
+clarity/src/vm/ast/parser/v1.rs:720: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![Default::default()]])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:279: replace ContractContext::add_defined_trait -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/database/key_value_wrapper.rs:402: replace RollbackWrapper<'a>::get_value -> Result<Option<ValueResult>, SerializationError> with Ok(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:146: replace ContractContext::add_persisted_variable_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/errors.rs:216: replace <impl From for Value>::from -> Self with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:246: replace Lexer<'a>::read_trait_identifier -> LexResult<Token> with LexResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:118: replace check_special_filter -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:311: replace Lexer<'a>::read_unsigned -> LexResult<Token> with LexResult::new()
+clarity/src/vm/functions/boolean.rs:74: replace native_not -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:152: replace ContractContext::add_ft -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:167: replace check_special_merge -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:243: replace ContractContext::add_variable_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/mod.rs:122: replace run_analysis -> Result<ContractAnalysis, (CheckError, LimitedCostTracker)> with Ok(Default::default())
+clarity/src/vm/docs/contracts.rs:62: replace get_constant_value -> Value with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:86: replace <impl CostTracker for TypeChecker<'_, '_>>::compute_cost -> Result<ExecutionCost, CostErrors> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:264: replace check_special_append -> TypeResult with Default::default()
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::new(Some("xyzzy".into()))
+clarity/src/vm/functions/conversions.rs:128: replace native_string_to_int_generic -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:569: replace native_sqrti -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:415: replace FunctionType::check_args_by_allowing_trait_cast_2_1 -> CheckResult<TypeSignature> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:516: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::from_iter([vec![]])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:259: replace ContractContext::add_ft -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/mod.rs:1083: replace Parser<'a>::parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![Default::default()]])
+clarity/src/vm/types/signatures.rs:962: replace TypeSignature::min_buffer -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1283: replace TypeChecker<'a, 'b>::clarity2_type_check_expects -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:106: replace ContractContext::add_read_only_function_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/functions/arithmetic.rs:405: replace special_geq_v2 -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/functions/define.rs:263: replace handle_use_trait -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/functions/options.rs:238: replace native_is_none -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:78: replace Lexer<'a>::read_char -> LexResult<()> with LexResult::from(())
+clarity/src/vm/analysis/type_checker/v2_05/natives/maps.rs:34: replace check_special_fetch_entry -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:839: replace contract_analysis_size -> CheckResult<u64> with CheckResult::new(0)
+clarity/src/vm/analysis/analysis_db.rs:137: replace AnalysisDatabase<'a>::get_clarity_version -> CheckResult<ClarityVersion> with CheckResult::from(Default::default())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:170: replace ContractInterfaceAtomType::vec_from_tuple_type -> Vec<ContractInterfaceTupleEntryType> with vec![Default::default()]
+clarity/src/vm/functions/crypto.rs:83: replace pubkey_to_address_v2 -> StacksAddress with Default::default()
+clarity/src/vm/tests/mod.rs:137: replace MemoryEnvironmentGenerator::get_env -> OwnedEnvironment with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:358: replace TypeChecker<'a, 'b>::track_return_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/types/mod.rs:742: replace BlockInfoProperty::type_result -> TypeSignature with Default::default()
+clarity/src/vm/ast/mod.rs:69: replace parse_in_epoch -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![Default::default()])
+clarity/src/vm/types/mod.rs:1135: replace Value::expect_result -> std::result::Result<Value, Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1136: replace TypeChecker<'a, 'b>::type_check_define_map -> CheckResult<(ClarityName, (TypeSignature, TypeSignature))> with CheckResult::new()
+clarity/src/vm/types/mod.rs:676: replace <impl SequencedValue for UTF8Data>::items -> &Vec<Vec<u8>> with &vec![vec![0]]
+clarity/src/vm/contexts.rs:845: replace OwnedEnvironment<'a, 'hooks>::get_cost_total -> ExecutionCost with Default::default()
+clarity/src/vm/functions/arithmetic.rs:59: replace UTF8Ops::make_value -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/read_only_checker/mod.rs:88: replace ReadOnlyChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/stack_depth_checker.rs:74: replace <impl BuildASTPass for VaryStackDepthChecker>::run_pass -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/ast/traits_resolver/mod.rs:48: replace TraitsResolver::run -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/mod.rs:513: replace execute_with_parameters -> Result<Option<Value>> with Ok(Some(Default::default()))
+clarity/src/vm/functions/conversions.rs:97: replace native_buff_to_uint_le::convert_to_uint_le -> Value with Default::default()
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::from_iter([Some(String::new())])
+clarity/src/vm/types/mod.rs:910: replace Value::cons_list_unsanitized -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:59: replace rollback_check_pre_bottom_commit -> Vec<(T, String)> with vec![(Default::default(), String::new())]
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1398: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::from((Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())])))
+clarity/src/vm/functions/arithmetic.rs:579: replace native_bitwise_left_shift -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:115: replace DefinitionSorter::probe_for_dependencies -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/ast/parser/v2/mod.rs:1109: replace parse_collect_diagnostics -> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool) with (vec![Default::default()], vec![Default::default()], false)
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::from(Some(BTreeMap::new()))
+clarity/src/vm/ast/parser/v2/mod.rs:219: replace Parser<'a>::handle_open_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from_iter([None])
+clarity/src/vm/functions/arithmetic.rs:373: replace native_bitwise_and -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1044: replace TypeChecker<'a, 'b>::get_function_type -> Option<FunctionType> with Some(Default::default())
+clarity/src/vm/costs/mod.rs:712: replace LimitedCostTracker::new_free -> LimitedCostTracker with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:751: replace TypeChecker<'a, 'b>::type_check_define_persisted_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new((Default::default(), Default::default()))
+clarity/src/vm/functions/assets.rs:590: replace special_transfer_asset_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/define.rs:230: replace handle_define_map -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/clarity.rs:84: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1357: replace TypeChecker<'a, 'b>::type_check_define_persisted_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from((Default::default(), Default::default()))
+clarity/src/vm/types/mod.rs:1238: replace UTF8Data::len -> BufferLength with Default::default()
+clarity/src/vm/errors.rs:187: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs:135: replace check_special_transfer_asset -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:627: replace <impl SequencedValue for ListData>::to_value -> Value with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:61: replace check_special_get_balance -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs:77: replace check_special_mint_asset -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:278: replace eval_with_new_binding -> TypeResult with Default::default()
+clarity/src/vm/ast/mod.rs:69: replace parse_in_epoch -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![])
+clarity/src/vm/functions/options.rs:66: replace native_unwrap_or_ret -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:508: replace parse_lexed -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:474: replace Lexer<'a>::read_utf8_encoding -> LexResult<Result<String, String>> with LexResult::from(Ok("xyzzy".into()))
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![])
+clarity/src/vm/ast/stack_depth_checker.rs:28: replace check -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:474: replace Lexer<'a>::read_utf8_encoding -> LexResult<Result<String, String>> with LexResult::from_iter([Ok(String::new())])
+clarity/src/vm/analysis/types.rs:175: replace ContractAnalysis::get_map_type -> Option<&(TypeSignature, TypeSignature)> with Some(&(Default::default(), Default::default()))
+clarity/src/vm/types/signatures.rs:1388: replace TypeSignature::parse_list_type_repr -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/docs/mod.rs:2419: replace make_api_reference -> FunctionAPI with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:571: replace clarity2_trait_check_trait_compliance -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:563: replace native_div -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/types/signatures.rs:939: replace FunctionSignature::canonicalize -> FunctionSignature with Default::default()
+clarity/src/vm/contexts.rs:974: replace Environment<'a, 'b, 'hooks>::nest_with_caller -> Environment<'c, 'b, 'hooks> with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:202: replace check_special_unwrap_err_or_ret -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:214: replace check_special_try_ret -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_db.rs:793: replace ClarityDatabase<'a>::get_index_block_header_hash -> StacksBlockId with Default::default()
+clarity/src/vm/callables.rs:335: replace DefinedFunction::apply -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1385: replace TypeChecker<'a, 'b>::type_check_define_nft -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new((Default::default(), Default::default()))
+clarity/src/vm/ast/mod.rs:309: replace build_ast -> ParseResult<ContractAST> with ParseResult::from_iter([Default::default()])
+clarity/src/vm/representations.rs:372: replace PreSymbolicExpression::match_list -> Option<&[PreSymbolicExpression]> with Some(Vec::leak(vec![Default::default()]))
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:199: replace check_special_unwrap_err_or_ret -> TypeResult with Default::default()
+clarity/src/vm/ast/definition_sorter/mod.rs:369: replace DefinitionSorter::probe_for_dependencies_in_key_value_pair -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:247: replace FunctionType::check_args_by_allowing_trait_cast_2_05 -> CheckResult<TypeSignature> with CheckResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:223: replace ContractContext::add_private_function_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/types/mod.rs:1507: replace TupleData::from_data_typed -> Result<TupleData> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:171: replace AnalysisDatabase<'a>::get_read_only_function_type -> CheckResult<Option<FunctionType>> with CheckResult::new(None)
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:474: replace Lexer<'a>::read_utf8_encoding -> LexResult<Result<String, String>> with LexResult::from_iter([Ok("xyzzy".into())])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:297: replace trait_type_size -> CheckResult<u64> with CheckResult::from_iter([0])
+clarity/src/vm/ast/expression_identifier/mod.rs:23: replace inner_relabel -> ParseResult<u64> with ParseResult::from_iter([1])
+clarity/src/vm/database/clarity_db.rs:1813: replace ClarityDatabase<'a>::get_nft_key_type -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:41: replace U128Ops::make_value -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:145: replace FunctionType::check_args_2_05 -> CheckResult<TypeSignature> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:203: replace ContractContext::add_public_function_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/representations.rs:578: replace SymbolicExpression::match_atom -> Option<&ClarityName> with Some(&Default::default())
+clarity/src/vm/ast/sugar_expander/mod.rs:40: replace <impl BuildASTPass for SugarExpander>::run_pass -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/analysis/read_only_checker/mod.rs:88: replace ReadOnlyChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/types/signatures.rs:401: replace <impl TryFrom for StringUTF8Length>::try_from -> Result<StringUTF8Length> with Ok(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:338: replace RollbackWrapper<'a>::set_block_hash -> InterpreterResult<StacksBlockId> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:785: replace clarity2_lookup_trait -> CheckResult<BTreeMap<ClarityName, FunctionSignature>> with CheckResult::new(BTreeMap::new())
+clarity/src/vm/representations.rs:327: replace PreSymbolicExpression::tuple -> PreSymbolicExpression with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:637: replace check_get_block_info -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:831: replace trait_type_size -> CheckResult<u64> with CheckResult::new(0)
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:140: replace Lexer<'a>::read_line -> LexResult<String> with LexResult::from(String::new())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1198: replace TypeChecker<'a, 'b>::lookup_variable -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:345: replace Lexer<'a>::read_hex -> LexResult<Token> with LexResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:296: replace check_special_as_max_len -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:633: replace <impl SequencedValue for BuffData>::items -> &Vec<u8> with &vec![0]
+clarity/src/vm/database/clarity_db.rs:867: replace ClarityDatabase<'a>::get_burnchain_block_header_hash -> BurnchainHeaderHash with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:316: replace ContractContext::get_persisted_variable_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/database/clarity_store.rs:303: replace <impl ClarityBackingStore for MemoryBackingStore>::get_side_store -> &Connection with &Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:123: replace <impl AnalysisPass for TypeChecker<'_, '_>>::run_pass -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/types/serialization.rs:160: replace <impl From for TypePrefix>::from -> TypePrefix with Default::default()
+clarity/src/vm/database/clarity_db.rs:1637: replace ClarityDatabase<'a>::create_non_fungible_token -> NonFungibleTokenMetadata with Default::default()
+clarity/src/vm/functions/arithmetic.rs:504: replace special_greater -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/functions/principals.rs:188: replace special_principal_construct -> Result<Value> with Ok(Default::default())
+clarity/src/vm/representations.rs:594: replace SymbolicExpression::match_literal_value -> Option<&Value> with Some(&Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:779: replace TypeChecker<'a, 'b>::type_check_define_nft -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1357: replace TypeChecker<'a, 'b>::type_check_define_persisted_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from_iter([(Default::default(), Default::default())])
+clarity/src/vm/types/mod.rs:845: replace Value::okay -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/types.rs:55: replace ContractAST::pre_expressions_drain -> PreExpressionsDrain with Default::default()
+clarity/src/vm/types/mod.rs:955: replace Value::string_ascii_from_bytes -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:345: replace DefinitionSorter::probe_for_dependencies_in_list_of_wrapped_key_value_pairs -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::new(None)
+clarity/src/vm/analysis/read_only_checker/mod.rs:170: replace ReadOnlyChecker<'a, 'b>::check_define_function -> CheckResult<(ClarityName, bool)> with CheckResult::new((Default::default(), true))
+clarity/src/vm/types/mod.rs:615: replace <impl SequencedValue for ListData>::items -> &Vec<Value> with &vec![Default::default()]
+clarity/src/vm/types/signatures.rs:335: replace <impl From for TypeSignature>::from -> Self with Default::default()
+clarity/src/vm/types/mod.rs:195: replace TraitIdentifier::parse_sugared_syntax -> Result<(ContractName, ClarityName)> with Ok((Default::default(), Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:57: replace check_special_list_cons -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:86: replace TraitContext::add_used_trait -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::from(None)
+clarity/src/vm/types/mod.rs:619: replace <impl SequencedValue for ListData>::drained_items -> Vec<Value> with vec![Default::default()]
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:118: replace <impl AnalysisPass for TypeChecker<'_, '_>>::run_pass -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/read_only_checker/mod.rs:281: replace ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only -> CheckResult<bool> with CheckResult::new(false)
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:516: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::from(vec![Default::default()])
+clarity/src/vm/ast/expression_identifier/mod.rs:40: replace update_expression_id -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:200: replace check_special_stx_transfer -> TypeResult with Default::default()
+clarity/src/vm/types/signatures.rs:1431: replace TypeSignature::parse_string_utf8_type_repr -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:546: replace TypeChecker<'a, 'b>::type_check_define_function -> CheckResult<(ClarityName, FixedFunction)> with CheckResult::from_iter([(Default::default(), Default::default())])
+clarity/src/vm/database/key_value_wrapper.rs:354: replace RollbackWrapper<'a>::get_with_proof -> Option<(T, Vec<u8>)> with Some((Default::default(), vec![0]))
+clarity/src/vm/analysis/types.rs:230: replace ContractAnalysis::check_trait_compliance -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/errors.rs:141: replace <impl Error for ParseError>::source -> Option<&(dyn error::Error +'static)> with Some(&Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:740: replace TypeChecker<'a, 'b>::type_check_define_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from_iter([(Default::default(), Default::default())])
+clarity/src/vm/analysis/type_checker/v2_1/natives/maps.rs:33: replace check_special_fetch_entry -> TypeResult with Default::default()
+clarity/src/vm/database/key_value_wrapper.rs:338: replace RollbackWrapper<'a>::set_block_hash -> InterpreterResult<StacksBlockId> with InterpreterResult::new(Default::default())
+clarity/src/vm/diagnostic.rs:47: replace Diagnostic::err -> Diagnostic with Default::default()
+clarity/src/vm/database/clarity_db.rs:1154: replace ClarityDatabase<'a>::set_variable_unknown_descriptor -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:518: replace special_less_v1 -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/functions/assets.rs:166: replace special_stx_transfer -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/contexts.rs:57: replace TypeMap::set_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:246: replace Lexer<'a>::read_trait_identifier -> LexResult<Token> with LexResult::from(Default::default())
+clarity/src/vm/types/signatures.rs:887: replace TupleTypeSignature::parse_name_type_pair_list -> Result<TupleTypeSignature> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:820: replace Value::none -> Value with Default::default()
+clarity/src/vm/ast/expression_identifier/mod.rs:23: replace inner_relabel -> ParseResult<u64> with ParseResult::new()
+clarity/src/vm/contexts.rs:1669: replace GlobalContext<'a, 'hooks>::special_cc_handler_execute_read_only -> std::result::Result<A, E> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:1456: replace <impl From for ASCIIData>::from -> Self with Default::default()
+clarity/src/vm/database/clarity_db.rs:1651: replace ClarityDatabase<'a>::load_nft -> Result<NonFungibleTokenMetadata> with Ok(Default::default())
+clarity/src/vm/functions/database.rs:682: replace special_delete_entry_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:281: replace ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only -> CheckResult<bool> with CheckResult::new()
+clarity/src/vm/functions/mod.rs:785: replace special_contract_of -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:93: replace AnalysisDatabase<'a>::load_contract_non_canonical -> Option<ContractAnalysis> with Some(Default::default())
+clarity/src/vm/contexts.rs:1118: replace Environment<'a, 'b, 'hooks>::execute_contract_allow_private -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:233: replace ContractContext::add_map_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:899: replace TypeChecker<'a, 'b>::track_return_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/mod.rs:188: replace Parser<'a>::ignore_whitespace_and_comments -> Vec<PreSymbolicExpression> with vec![Default::default()]
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:110: replace check_special_default_to -> TypeResult with Default::default()
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::from_iter([vec![1]])
+clarity/src/vm/ast/mod.rs:130: replace build_ast_typical -> ParseResult<ContractAST> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:264: replace check_special_unwrap_err -> TypeResult with Default::default()
+clarity/src/vm/contexts.rs:1913: replace LocalContext<'a>::lookup_callable_contract -> Option<&CallableData> with Some(&Default::default())
+clarity/src/vm/functions/tuples.rs:47: replace tuple_get -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:247: replace FunctionType::check_args_by_allowing_trait_cast_2_05 -> CheckResult<TypeSignature> with CheckResult::new()
+clarity/src/vm/functions/conversions.rs:89: replace native_buff_to_int_le::convert_to_int_le -> Value with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:326: replace Lexer<'a>::read_integer -> LexResult<Token> with LexResult::new(Default::default())
+clarity/src/vm/functions/database.rs:293: replace special_set_variable_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:379: replace DefinitionSorter::find_expression_definition -> Option<(ClarityName, u64, &'b PreSymbolicExpression)> with Some((Default::default(), 1, &Default::default()))
+clarity/src/vm/representations.rs:285: replace PreSymbolicExpression::sugared_field_identifier -> PreSymbolicExpression with Default::default()
+clarity/src/vm/contexts.rs:815: replace OwnedEnvironment<'a, 'hooks>::eval_read_only_with_rules -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![]))
+clarity/src/vm/functions/conversions.rs:205: replace native_int_to_ascii -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:158: replace Parser<'a>::peek_last_token -> ParseResult<&PlacedToken> with ParseResult::new(&Default::default())
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![(Default::default(), 1, 0)])
+clarity/src/vm/functions/assets.rs:368: replace special_mint_asset_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/contexts.rs:1882: replace LocalContext<'a>::function_context -> &LocalContext with &Default::default()
+clarity/src/vm/ast/mod.rs:87: replace ast_check_size -> ParseResult<ContractAST> with ParseResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:247: replace FunctionType::check_args_by_allowing_trait_cast_2_05 -> CheckResult<TypeSignature> with CheckResult::from(Default::default())
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::new()
+clarity/src/vm/types/signatures.rs:1356: replace TypeSignature::parent_list_type -> std::result::Result<ListTypeData, CheckErrors> with Ok(Default::default())
+clarity/src/vm/functions/sequences.rs:359: replace special_slice -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/mod.rs:645: replace special_asserts -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:433: replace Graph::edges_count -> ParseResult<u64> with ParseResult::new(1)
+clarity/src/vm/types/serialization.rs:348: replace DeserializeStackItem::next_expected_type -> Result<Option<TypeSignature>, SerializationError> with Ok(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:131: replace check_special_asserts -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:929: replace TypeChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:474: replace Lexer<'a>::read_utf8_encoding -> LexResult<Result<String, String>> with LexResult::new()
+clarity/src/vm/ast/parser/v2/mod.rs:521: replace Parser<'a>::read_principal -> ParseResult<PreSymbolicExpression> with ParseResult::new(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:219: replace RollbackWrapper<'a>::from_persisted_log -> RollbackWrapper with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:661: replace TypeChecker<'a, 'b>::type_check_function_application -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:1062: replace Parser<'a>::parse_node_or_eof -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/ast/expression_identifier/mod.rs:51: replace ExpressionIdentifier::run_pre_expression_pass -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:259: replace ContractContext::add_ft -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/ast/mod.rs:309: replace build_ast -> ParseResult<ContractAST> with ParseResult::from(Default::default())
+clarity/src/vm/functions/options.rs:44: replace inner_unwrap_err -> Result<Option<Value>> with Ok(Some(Default::default()))
+clarity/src/vm/ast/parser/v2/mod.rs:1062: replace Parser<'a>::parse_node_or_eof -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from(None)
+clarity/src/vm/representations.rs:95: replace <impl StacksMessageCodec for ClarityName>::consensus_deserialize -> Result<ClarityName, codec_error> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:1109: replace parse_collect_diagnostics -> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool) with (vec![], vec![Default::default()], false)
+clarity/src/vm/analysis/read_only_checker/mod.rs:227: replace ReadOnlyChecker<'a, 'b>::check_read_only -> CheckResult<bool> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/mod.rs:1083: replace Parser<'a>::parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![])
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::from(Some(String::new()))
+clarity/src/vm/ast/errors.rs:300: replace <impl DiagnosableError for ParseErrors>::level -> crate::vm::diagnostic::Level with Default::default()
+clarity/src/vm/ast/definition_sorter/mod.rs:369: replace DefinitionSorter::probe_for_dependencies_in_key_value_pair -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/contexts.rs:600: replace OwnedEnvironment<'a, 'hooks>::new_free -> OwnedEnvironment<'a, '_> with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:401: replace check_special_index_of -> TypeResult with Default::default()
+clarity/src/vm/ast/expression_identifier/mod.rs:51: replace ExpressionIdentifier::run_pre_expression_pass -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1136: replace TypeChecker<'a, 'b>::type_check_define_map -> CheckResult<(ClarityName, (TypeSignature, TypeSignature))> with CheckResult::from((Default::default(), (Default::default(), Default::default())))
+clarity/src/vm/functions/options.rs:148: replace special_match_opt -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:1062: replace Parser<'a>::parse_node_or_eof -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new(Some(Default::default()))
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::new((Default::default(), vec![Default::default()], true))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:485: replace check_function_arg_signature -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:646: replace TypeChecker<'a, 'b>::try_native_function_check -> Option<TypeResult> with Some(Default::default())
+clarity/src/vm/ast/parser/v1.rs:508: replace parse_lexed -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:626: replace TypeChecker<'a, 'b>::type_check_define_map -> CheckResult<(ClarityName, (TypeSignature, TypeSignature))> with CheckResult::from((Default::default(), (Default::default(), Default::default())))
+clarity/src/vm/database/clarity_db.rs:516: replace ClarityDatabase<'a>::get_value -> Result<Option<ValueResult>> with Ok(Some(Default::default()))
+clarity/src/vm/representations.rs:271: replace PreSymbolicExpression::span -> &Span with &Default::default()
+clarity/src/vm/analysis/analysis_db.rs:153: replace AnalysisDatabase<'a>::get_public_function_type -> CheckResult<Option<FunctionType>> with CheckResult::new(Some(Default::default()))
+clarity/src/vm/types/mod.rs:824: replace Value::okay_true -> Value with Default::default()
+clarity/src/vm/functions/arithmetic.rs:639: replace native_to_int -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/types/mod.rs:684: replace <impl SequencedValue for UTF8Data>::type_signature -> TypeSignature with Default::default()
+clarity/src/vm/analysis/trait_checker/mod.rs:39: replace <impl AnalysisPass for TraitChecker>::run_pass -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/parser/v2/mod.rs:807: replace Parser<'a>::parse_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:297: replace trait_type_size -> CheckResult<u64> with CheckResult::new(1)
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:296: replace ContractContext::add_implemented_trait -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/read_only_checker/mod.rs:268: replace ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only -> Option<CheckResult<bool>> with Some(CheckResult::from(true))
+clarity/src/vm/types/mod.rs:838: replace Value::err_none -> Value with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:39: replace get_simple_native_or_user_define -> CheckResult<FunctionType> with CheckResult::new(Default::default())
+clarity/src/vm/functions/define.rs:172: replace handle_define_persisted_variable -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/functions/options.rs:87: replace native_try_ret -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/mod.rs:288: replace build_ast_precheck_size -> ParseResult<ContractAST> with ParseResult::new()
+clarity/src/vm/types/signatures.rs:857: replace TupleTypeSignature::field_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/ast/stack_depth_checker.rs:53: replace check_vary -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:358: replace TypeChecker<'a, 'b>::track_return_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/database.rs:442: replace special_at_block -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:128: replace Lexer<'a>::skip_whitespace -> LexResult<()> with LexResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1414: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::from(Some(()))
+clarity/src/vm/functions/arithmetic.rs:560: replace native_mul -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/database/clarity_db.rs:1236: replace ClarityDatabase<'a>::lookup_variable_with_size -> Result<ValueResult> with Ok(Default::default())
+clarity/src/vm/docs/contracts.rs:178: replace produce_docs_refs -> BTreeMap<String, ContractRef> with BTreeMap::from_iter([(String::new(), Default::default())])
+clarity/src/vm/types/signatures.rs:1339: replace TypeSignature::literal_type_of -> TypeSignature with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:575: replace Lexer<'a>::read_utf8_string -> LexResult<Token> with LexResult::new()
+clarity/src/vm/analysis/analysis_db.rs:208: replace AnalysisDatabase<'a>::get_implemented_traits -> CheckResult<BTreeSet<TraitIdentifier>> with CheckResult::from(BTreeSet::from_iter([Default::default()]))
+clarity/src/vm/types/signatures.rs:825: replace <impl TryFrom for TupleTypeSignature>::try_from -> Result<TupleTypeSignature> with Ok(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:354: replace RollbackWrapper<'a>::get_with_proof -> Option<(T, Vec<u8>)> with Some((Default::default(), vec![1]))
+clarity/src/vm/analysis/type_checker/v2_1/natives/maps.rs:160: replace check_special_insert_entry -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:136: replace ContractContext::add_variable_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/database/key_value_wrapper.rs:363: replace RollbackWrapper<'a>::get -> Option<T> with Some(Default::default())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:181: replace ContractInterfaceAtomType::from_type_signature -> ContractInterfaceAtomType with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:96: replace ContractContext::add_public_function_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:66: replace Lexer<'a>::add_diagnostic -> LexResult<()> with LexResult::from(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:185: replace Lexer<'a>::proceed_through_error_string -> LexResult<String> with LexResult::new("xyzzy".into())
+clarity/src/vm/ast/sugar_expander/mod.rs:66: replace SugarExpander::transform -> ParseResult<Vec<SymbolicExpression>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:312: replace ContractContext::get_variable_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:88: replace ReadOnlyChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/analysis_db.rs:153: replace AnalysisDatabase<'a>::get_public_function_type -> CheckResult<Option<FunctionType>> with CheckResult::from(Some(Default::default()))
+clarity/src/vm/database/clarity_db.rs:707: replace ClarityDatabase<'a>::get_contract -> Result<Contract> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:111: replace Lexer<'a>::report_line_ending -> LexResult<()> with LexResult::from(())
+clarity/src/vm/analysis/mod.rs:50: replace mem_type_check -> CheckResult<(Option<TypeSignature>, ContractAnalysis)> with CheckResult::from_iter([(None, Default::default())])
+clarity/src/vm/types/mod.rs:1394: replace <impl From for StandardPrincipalData>::from -> StandardPrincipalData with Default::default()
+clarity/src/vm/functions/options.rs:28: replace inner_unwrap -> Result<Option<Value>> with Ok(Some(Default::default()))
+clarity/src/vm/types/signatures.rs:992: replace TypeSignature::max_buffer -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:485: replace check_function_arg_signature -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:86: replace TraitContext::add_used_trait -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/parser/v2/mod.rs:463: replace Parser<'a>::open_tuple -> ParseResult<SetupTupleResult> with ParseResult::new()
+clarity/src/vm/types/signatures.rs:733: replace TypeSignature::canonicalize_v2_1 -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:485: replace check_function_arg_signature -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:792: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:339: replace check_special_if -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:168: replace inner_unwrap_err -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:213: replace ContractContext::add_read_only_function_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/database/clarity_db.rs:1202: replace ClarityDatabase<'a>::lookup_variable_unknown_descriptor -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:158: replace Parser<'a>::peek_last_token -> ParseResult<&PlacedToken> with ParseResult::new()
+clarity/src/vm/contexts.rs:1841: replace ContractContext::get_clarity_version -> &ClarityVersion with &Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:91: replace check_special_as_contract -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:146: replace ContractContext::add_persisted_variable_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/mod.rs:130: replace build_ast_typical -> ParseResult<ContractAST> with ParseResult::from_iter([Default::default()])
+clarity/src/vm/functions/assets.rs:912: replace special_burn_token -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:1427: replace ClarityDatabase<'a>::set_entry_unknown_descriptor -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:278: replace SequenceData::element_at -> Option<Value> with Some(Default::default())
+clarity/src/vm/functions/mod.rs:212: replace lookup_reserved_functions -> Option<CallableType> with Some(Default::default())
+clarity/src/vm/analysis/errors.rs:274: replace <impl From for CheckError>::from -> Self with Default::default()
+clarity/src/vm/functions/arithmetic.rs:476: replace special_greater_v1 -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:106: replace ContractContext::add_read_only_function_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/parser/v1.rs:720: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:296: replace ContractContext::add_implemented_trait -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/functions/arithmetic.rs:434: replace special_leq_v1 -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/ast/definition_sorter/mod.rs:115: replace DefinitionSorter::probe_for_dependencies -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/functions/sequences.rs:319: replace native_index_of -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:572: replace native_log2 -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/ast/definition_sorter/mod.rs:324: replace DefinitionSorter::probe_for_dependencies_in_define_args -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/representations.rs:197: replace <impl SymbolicExpressionCommon for PreSymbolicExpression>::match_list_mut -> Option<&mut[PreSymbolicExpression]> with Some(Vec::leak(vec![Default::default()]))
+clarity/src/vm/types/signatures.rs:480: replace ListTypeData::get_list_item_type -> &TypeSignature with &Default::default()
+clarity/src/vm/ast/definition_sorter/mod.rs:357: replace DefinitionSorter::probe_for_dependencies_in_wrapped_key_value_pairs -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/types/mod.rs:754: replace BlockInfoProperty::lookup_by_name_at_version -> Option<BlockInfoProperty> with Some(Default::default())
+clarity/src/vm/representations.rs:313: replace PreSymbolicExpression::field_identifier -> PreSymbolicExpression with Default::default()
+clarity/src/vm/functions/principals.rs:118: replace create_principal_true_error_response -> Value with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:839: replace contract_analysis_size -> CheckResult<u64> with CheckResult::from_iter([0])
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::new((Default::default(), vec![], false))
+clarity/src/vm/types/mod.rs:1308: replace PrincipalData::parse -> Result<PrincipalData> with Ok(Default::default())
+clarity/src/vm/types/serialization.rs:209: replace <impl ClarityValueSerializable for StandardPrincipalData>::deserialize_read -> Result<Self, SerializationError> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:281: replace ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only -> CheckResult<bool> with CheckResult::from(true)
+clarity/src/vm/test_util/mod.rs:39: replace generate_test_burn_state_db -> UnitTestBurnStateDB with Default::default()
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new()
+clarity/src/vm/costs/mod.rs:1176: replace ExecutionCost::max_value -> ExecutionCost with Default::default()
+clarity/src/vm/contexts.rs:752: replace OwnedEnvironment<'a, 'hooks>::execute_transaction -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![]))
+clarity/src/vm/database/clarity_db.rs:395: replace <impl BurnStateDB for NullBurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![Default::default()], 0))
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![(Default::default(), 0, 0)])
+clarity/src/vm/contexts.rs:1078: replace Environment<'a, 'b, 'hooks>::run_free -> A with Default::default()
+clarity/src/vm/costs/mod.rs:699: replace LimitedCostTracker::new_max_limit -> Result<LimitedCostTracker> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![(Default::default(), 0, 1)]])
+clarity/src/vm/ast/errors.rs:153: replace <impl From for ParseError>::from -> Self with Default::default()
+clarity/src/vm/database/structures.rs:328: replace STXBalanceSnapshot<'db, 'conn>::balance -> &STXBalance with &Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:158: replace Parser<'a>::peek_last_token -> ParseResult<&PlacedToken> with ParseResult::from_iter([&Default::default()])
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![(Default::default(), 0, 0)])
+clarity/src/vm/database/clarity_db.rs:271: replace <impl HeadersDB for NullHeadersDB>::get_burn_header_hash_for_block -> Option<BurnchainHeaderHash> with Some(Default::default())
+clarity/src/vm/database/clarity_db.rs:252: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![Default::default()], 0))
+clarity/src/vm/functions/arithmetic.rs:629: replace native_to_uint -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:84: replace check_special_as_contract -> TypeResult with Default::default()
+clarity/src/vm/functions/assets.rs:128: replace stx_transfer_consolidated -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:307: replace ContractInterfaceFungibleTokens::from_set -> Vec<Self> with vec![Default::default()]
+clarity/src/vm/database/clarity_db.rs:1468: replace ClarityDatabase<'a>::insert_entry -> Result<ValueResult> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:185: replace Lexer<'a>::proceed_through_error_string -> LexResult<String> with LexResult::from_iter([String::new()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1136: replace TypeChecker<'a, 'b>::type_check_define_map -> CheckResult<(ClarityName, (TypeSignature, TypeSignature))> with CheckResult::from_iter([(Default::default(), (Default::default(), Default::default()))])
+clarity/src/vm/ast/parser/v2/mod.rs:131: replace Parser<'a>::next_token -> Option<PlacedToken> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:279: replace ContractContext::add_defined_trait -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:364: replace native_xor -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/contexts.rs:960: replace Environment<'a, 'b, 'hooks>::nest_as_principal -> Environment<'c, 'b, 'hooks> with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:145: replace inner_unwrap -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_db.rs:314: replace <impl HeadersDB for NullHeadersDB>::get_miner_address -> Option<StacksAddress> with Some(Default::default())
+clarity/src/vm/types/serialization.rs:1114: replace Value::try_deserialize_bytes_exact -> Result<Value, SerializationError> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:96: replace ContractContext::add_public_function_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/traits_resolver/mod.rs:201: replace TraitsResolver::probe_for_generics -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/functions/define.rs:270: replace handle_impl_trait -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:566: replace native_pow -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/mod.rs:205: replace lookup_function -> Result<CallableType> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:364: replace native_xor -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/types/serialization.rs:574: replace Value::inner_deserialize_read -> Result<Value, SerializationError> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:244: replace ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only -> CheckResult<bool> with CheckResult::from(true)
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:292: replace ContractContext::add_used_trait -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/functions/options.rs:80: replace native_unwrap_err_or_ret -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/signatures.rs:1551: replace TypeSignature::parse_trait_type_repr -> Result<BTreeMap<ClarityName, FunctionSignature>> with Ok(BTreeMap::from_iter([(Default::default(), Default::default())]))
+clarity/src/vm/functions/arithmetic.rs:434: replace special_leq_v1 -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:740: replace TypeChecker<'a, 'b>::type_check_define_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from((Default::default(), Default::default()))
+clarity/src/vm/representations.rs:527: replace SymbolicExpression::atom -> SymbolicExpression with Default::default()
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:164: replace ContractInterfaceAtomType::from_tuple_type -> ContractInterfaceAtomType with Default::default()
+clarity/src/vm/functions/database.rs:723: replace special_get_block_info -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:227: replace ReadOnlyChecker<'a, 'b>::check_read_only -> CheckResult<bool> with CheckResult::from_iter([true])
+clarity/src/vm/ast/definition_sorter/mod.rs:369: replace DefinitionSorter::probe_for_dependencies_in_key_value_pair -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/types/serialization.rs:1085: replace Value::try_deserialize_bytes -> Result<Value, SerializationError> with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:175: replace <impl HeadersDB for &dyn HeadersDB>::get_miner_address -> Option<StacksAddress> with Some(Default::default())
+clarity/src/vm/ast/parser/v1.rs:462: replace unescape_ascii_chars -> ParseResult<String> with ParseResult::from_iter([String::new()])
+clarity/src/vm/functions/assets.rs:219: replace special_stx_account -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:430: replace ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only -> CheckResult<bool> with CheckResult::from_iter([true])
+clarity/src/vm/types/mod.rs:623: replace <impl SequencedValue for ListData>::type_signature -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:831: replace trait_type_size -> CheckResult<u64> with CheckResult::from(1)
+clarity/src/vm/analysis/type_checker/contexts.rs:82: replace TypingContext<'a>::extend -> CheckResult<TypingContext> with CheckResult::new(Default::default())
+clarity/src/vm/database/clarity_db.rs:1555: replace ClarityDatabase<'a>::delete_entry -> Result<ValueResult> with Ok(Default::default())
+clarity/src/vm/ast/sugar_expander/mod.rs:56: replace SugarExpander::run -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:388: replace TypeChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/expression_identifier/mod.rs:58: replace ExpressionIdentifier::run_expression_pass -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:184: replace check_special_unwrap_or_ret -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:687: replace Parser<'a>::read_sugared_principal -> ParseResult<PreSymbolicExpression> with ParseResult::new(Default::default())
+clarity/src/vm/functions/arithmetic.rs:419: replace special_geq -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:792: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::from((Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())])))
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:39: replace get_simple_native_or_user_define -> CheckResult<FunctionType> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:253: replace ContractContext::add_persisted_variable_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/database/clarity_db.rs:421: replace ClarityDatabase<'a>::new_with_rollback_wrapper -> ClarityDatabase<'a> with Default::default()
+clarity/src/vm/functions/arithmetic.rs:575: replace native_mod -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/maps.rs:161: replace check_special_insert_entry -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:1117: replace Value::expect_principal -> PrincipalData with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:1083: replace Parser<'a>::parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:203: replace ContractContext::add_public_function_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1004: replace TypeChecker<'a, 'b>::type_check_consecutive_statements -> TypeResult with Default::default()
+clarity/src/vm/functions/arithmetic.rs:59: replace UTF8Ops::make_value -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/read_only_checker/mod.rs:244: replace ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only -> CheckResult<bool> with CheckResult::new(true)
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:96: replace ContractContext::add_public_function_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:462: replace special_leq -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:140: replace Lexer<'a>::read_line -> LexResult<String> with LexResult::new(String::new())
+clarity/src/vm/functions/arithmetic.rs:476: replace special_greater_v1 -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/callables.rs:359: replace DefinedFunction::get_arg_types -> &Vec<TypeSignature> with &vec![]
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::from_iter([Some(String::new())])
+clarity/src/vm/ast/parser/v2/mod.rs:219: replace Parser<'a>::handle_open_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from(None)
+clarity/src/vm/database/clarity_db.rs:221: replace <impl BurnStateDB for &dyn BurnStateDB>::get_burn_header_hash -> Option<BurnchainHeaderHash> with Some(Default::default())
+clarity/src/vm/ast/parser/v1.rs:101: replace get_value_or_err -> ParseResult<String> with ParseResult::new(String::new())
+clarity/src/vm/ast/parser/v2/mod.rs:140: replace Parser<'a>::peek_next_token -> PlacedToken with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:223: replace check_special_stx_transfer_memo -> TypeResult with Default::default()
+clarity/src/vm/functions/define.rs:277: replace DefineFunctions::try_parse -> Option<(DefineFunctions, &[SymbolicExpression])> with Some((Default::default(), Vec::leak(Vec::new())))
+clarity/src/vm/analysis/read_only_checker/mod.rs:182: replace ReadOnlyChecker<'a, 'b>::check_reads_only_valid -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:146: replace ContractContext::add_persisted_variable_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/functions/boolean.rs:38: replace special_or -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/define.rs:247: replace handle_define_trait -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![(Default::default(), 1, 0)]])
+clarity/src/vm/database/clarity_db.rs:399: replace <impl BurnStateDB for NullBurnStateDB>::get_ast_rules -> ASTRules with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:59: replace <impl AnalysisPass for ReadOnlyChecker<'a, 'b>>::run_pass -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/costs/mod.rs:971: replace <impl CostTracker for LimitedCostTracker>::compute_cost -> std::result::Result<ExecutionCost, CostErrors> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:283: replace Parser<'a>::handle_open_tuple -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new(None)
+clarity/src/vm/contexts.rs:1396: replace Environment<'a, 'b, 'hooks>::run_as_transaction -> std::result::Result<O, E> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:462: replace unescape_ascii_chars -> ParseResult<String> with ParseResult::from("xyzzy".into())
+clarity/src/vm/analysis/read_only_checker/mod.rs:244: replace ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only -> CheckResult<bool> with CheckResult::from_iter([true])
+clarity/src/vm/types/mod.rs:490: replace SequenceData::slice -> Result<Value> with Ok(Default::default())
+clarity/src/vm/representations.rs:306: replace PreSymbolicExpression::trait_reference -> PreSymbolicExpression with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:63: replace check_special_error -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1055: replace TypeChecker<'a, 'b>::type_check_define_function -> CheckResult<(ClarityName, FixedFunction)> with CheckResult::from_iter([(Default::default(), Default::default())])
+clarity/src/vm/types/signatures.rs:273: replace FunctionType::canonicalize -> FunctionType with Default::default()
+clarity/src/vm/ast/stack_depth_checker.rs:74: replace <impl BuildASTPass for VaryStackDepthChecker>::run_pass -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/ast/stack_depth_checker.rs:28: replace check -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/functions/arithmetic.rs:67: replace BuffOps::make_value -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/database/clarity_db.rs:954: replace ClarityDatabase<'a>::get_miner_address -> StandardPrincipalData with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:279: replace ContractContext::add_defined_trait -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:358: replace TypeChecker<'a, 'b>::track_return_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/functions/options.rs:59: replace native_unwrap -> Result<Value> with Ok(Default::default())
+clarity/src/vm/tests/principals.rs:846: replace create_principal_from_strings -> Value with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:244: replace ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only -> CheckResult<bool> with CheckResult::new(false)
+clarity/src/vm/functions/arithmetic.rs:462: replace special_leq -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/database/clarity_store.rs:281: replace MemoryBackingStore::as_clarity_db -> ClarityDatabase with Default::default()
+clarity/src/vm/ast/parser/v1.rs:728: replace parse_no_stack_limit -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:297: replace trait_type_size -> CheckResult<u64> with CheckResult::new(0)
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:320: replace check_special_equals -> TypeResult with Default::default()
+clarity/src/vm/tests/contracts.rs:87: replace get_principal -> Value with Default::default()
+clarity/src/vm/functions/arithmetic.rs:566: replace native_pow -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:279: replace ContractContext::add_defined_trait -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1023: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::from(vec![Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/natives/conversions.rs:18: replace check_special_to_consensus_buff -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:676: replace <impl SequencedValue for UTF8Data>::items -> &Vec<Vec<u8>> with &vec![vec![]]
+clarity/src/vm/database/clarity_db.rs:1085: replace ClarityDatabase<'a>::get_microblock_poison_report -> Option<(StandardPrincipalData, u16)> with Some((Default::default(), 0))
+clarity/src/vm/functions/conversions.rs:105: replace native_buff_to_int_be -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::from(vec![0])
+clarity/src/vm/costs/mod.rs:1126: replace ExecutionCost::zero -> ExecutionCost with Default::default()
+clarity/src/vm/types/signatures.rs:365: replace <impl TryFrom for BufferLength>::try_from -> Result<BufferLength> with Ok(Default::default())
+clarity/src/vm/database/structures.rs:870: replace STXBalance::canonical_repr_at_block -> (STXBalance, u128) with (Default::default(), 1)
+clarity/src/vm/ast/parser/v2/mod.rs:283: replace Parser<'a>::handle_open_tuple -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from_iter([None])
+clarity/src/vm/types/mod.rs:647: replace <impl SequencedValue for BuffData>::to_value -> Value with Default::default()
+clarity/src/vm/functions/options.rs:254: replace native_error -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:101: replace get_value_or_err -> ParseResult<String> with ParseResult::from(String::new())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:839: replace contract_analysis_size -> CheckResult<u64> with CheckResult::new(1)
+clarity/src/vm/types/serialization.rs:1198: replace Value::sanitize_value -> Option<(Value, bool)> with Some((Default::default(), false))
+clarity/src/vm/types/signatures.rs:1019: replace TypeSignature::factor_out_no_type -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/costs/mod.rs:1238: replace ExecutionCost::max_cost -> ExecutionCost with Default::default()
+clarity/src/vm/functions/arithmetic.rs:373: replace native_bitwise_and -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/types/mod.rs:669: replace <impl SequencedValue for ASCIIData>::to_value -> Value with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:62: replace check_special_map -> TypeResult with Default::default()
+clarity/src/vm/callables.rs:389: replace FunctionIdentifier::new_native_function -> FunctionIdentifier with Default::default()
+clarity/src/vm/tests/assets.rs:133: replace execute_transaction -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>), Error> with Ok((Default::default(), Default::default(), vec![]))
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:96: replace ContractContext::add_public_function_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/types.rs:102: replace <impl Iterator for PreExpressionsDrain>::next -> Option<PreSymbolicExpression> with Some(Default::default())
+clarity/src/vm/mod.rs:569: replace execute_v2 -> Result<Option<Value>> with Ok(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:688: replace TypeChecker<'a, 'b>::lookup_variable -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![(Default::default(), 1, 1)]])
+clarity/src/vm/analysis/analysis_db.rs:208: replace AnalysisDatabase<'a>::get_implemented_traits -> CheckResult<BTreeSet<TraitIdentifier>> with CheckResult::from_iter([BTreeSet::new()])
+clarity/src/vm/types/mod.rs:633: replace <impl SequencedValue for BuffData>::items -> &Vec<u8> with &vec![]
+clarity/src/vm/analysis/analysis_db.rs:123: replace AnalysisDatabase<'a>::insert_contract -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/contexts.rs:1105: replace Environment<'a, 'b, 'hooks>::execute_contract -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/sequences.rs:312: replace native_len -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:61: replace ContractContext::check_name_used -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/mod.rs:463: replace Parser<'a>::open_tuple -> ParseResult<SetupTupleResult> with ParseResult::from_iter([Default::default()])
+clarity/src/vm/functions/database.rs:407: replace special_fetch_entry_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:566: replace native_pow -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/functions/assets.rs:854: replace special_get_owner_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::from((Default::default(), vec![Default::default()], false))
+clarity/src/vm/database/clarity_db.rs:1173: replace ClarityDatabase<'a>::set_variable -> Result<ValueResult> with Ok(Default::default())
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::new((Default::default(), vec![Default::default()], false))
+clarity/src/vm/ast/traits_resolver/mod.rs:48: replace TraitsResolver::run -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/functions/mod.rs:758: replace special_as_contract -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:1439: replace <impl From for PrincipalData>::from -> Self with Default::default()
+clarity/src/vm/functions/mod.rs:692: replace parse_eval_bindings -> Result<Vec<(ClarityName, Value)>> with Ok(vec![(Default::default(), Default::default())])
+clarity/src/vm/types/signatures.rs:415: replace <impl TryFrom for StringUTF8Length>::try_from -> Result<StringUTF8Length> with Ok(Default::default())
+clarity/src/vm/types/signatures.rs:429: replace <impl TryFrom for StringUTF8Length>::try_from -> Result<StringUTF8Length> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:39: replace get_simple_native_or_user_define -> CheckResult<FunctionType> with CheckResult::from(Default::default())
+clarity/src/vm/test_util/mod.rs:206: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_burn_header_hash -> Option<BurnchainHeaderHash> with Some(Default::default())
+clarity/src/vm/mod.rs:481: replace execute_on_network -> Result<Option<Value>> with Ok(Some(Default::default()))
+clarity/src/vm/functions/arithmetic.rs:369: replace native_bitwise_xor -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:433: replace Graph::edges_count -> ParseResult<u64> with ParseResult::from(0)
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1346: replace TypeChecker<'a, 'b>::type_check_define_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new()
+clarity/src/vm/functions/mod.rs:705: replace special_let -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1023: replace TypeChecker<'a, 'b>::type_check_all -> CheckResult<Vec<TypeSignature>> with CheckResult::from(vec![])
+clarity/src/vm/database/clarity_db.rs:1912: replace ClarityDatabase<'a>::get_stx_balance_snapshot_genesis -> STXBalanceSnapshot<'a, 'conn> with Default::default()
+clarity/src/vm/ast/mod.rs:288: replace build_ast_precheck_size -> ParseResult<ContractAST> with ParseResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/mod.rs:64: replace FunctionType::check_args_by_allowing_trait_cast -> CheckResult<TypeSignature> with CheckResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:969: replace TypeChecker<'a, 'b>::type_check_expects -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1055: replace TypeChecker<'a, 'b>::type_check_define_function -> CheckResult<(ClarityName, FixedFunction)> with CheckResult::new((Default::default(), Default::default()))
+clarity/src/vm/ast/stack_depth_checker.rs:48: replace <impl BuildASTPass for StackDepthChecker>::run_pass -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/read_only_checker/mod.rs:170: replace ReadOnlyChecker<'a, 'b>::check_define_function -> CheckResult<(ClarityName, bool)> with CheckResult::from((Default::default(), false))
+clarity/src/vm/ast/definition_sorter/mod.rs:307: replace DefinitionSorter::probe_for_dependencies_in_tuple -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/types/mod.rs:726: replace ResponseData::type_signature -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/maps.rs:152: replace check_special_set_entry -> TypeResult with Default::default()
+clarity/src/vm/functions/arithmetic.rs:52: replace ASCIIOps::make_value -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:340: replace check_special_match_resp -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_db.rs:1893: replace ClarityDatabase<'a>::get_stx_balance_snapshot -> STXBalanceSnapshot<'a, 'conn> with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:751: replace TypeChecker<'a, 'b>::type_check_define_persisted_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new()
+clarity/src/vm/contexts.rs:764: replace OwnedEnvironment<'a, 'hooks>::stx_transfer -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![Default::default()]))
+clarity/src/vm/representations.rs:364: replace PreSymbolicExpression::match_atom -> Option<&ClarityName> with Some(&Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:344: replace check_special_if -> TypeResult with Default::default()
+clarity/src/vm/functions/arithmetic.rs:560: replace native_mul -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/functions/arithmetic.rs:490: replace special_greater_v2 -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/ast/sugar_expander/mod.rs:66: replace SugarExpander::transform -> ParseResult<Vec<SymbolicExpression>> with ParseResult::from(vec![Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:268: replace check_special_burn_asset -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_store.rs:291: replace <impl ClarityBackingStore for MemoryBackingStore>::set_block_hash -> InterpreterResult<StacksBlockId> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:187: replace check_special_unwrap_or_ret -> TypeResult with Default::default()
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::from((Default::default(), vec![], false))
+clarity/src/vm/functions/arithmetic.rs:629: replace native_to_uint -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/functions/principals.rs:137: replace create_principal_value_error_response -> Value with Default::default()
+clarity/src/vm/database/clarity_db.rs:252: replace <impl BurnStateDB for &dyn BurnStateDB>::get_pox_payout_addrs -> Option<(Vec<TupleData>, u128)> with Some((vec![Default::default()], 1))
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:296: replace ContractContext::add_implemented_trait -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:160: replace Lexer<'a>::proceed_through_error -> LexResult<String> with LexResult::from_iter([String::new()])
+clarity/src/vm/functions/conversions.rs:154: replace safe_convert_string_to_int -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/conversions.rs:210: replace native_int_to_utf8 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:243: replace ContractContext::add_variable_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:78: replace Lexer<'a>::read_char -> LexResult<()> with LexResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:899: replace TypeChecker<'a, 'b>::track_return_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:604: replace native_bitwise_right_shift -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/representations.rs:610: replace SymbolicExpression::match_field -> Option<&TraitIdentifier> with Some(&Default::default())
+clarity/src/mod.rs:81: replace boot_util::boot_code_addr -> StacksAddress with Default::default()
+clarity/src/vm/ast/stack_depth_checker.rs:74: replace <impl BuildASTPass for VaryStackDepthChecker>::run_pass -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/clarity.rs:70: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/functions/arithmetic.rs:639: replace native_to_int -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/mod.rs:369: replace eval_all -> Result<Option<Value>> with Ok(Some(Default::default()))
+clarity/src/vm/functions/mod.rs:595: replace native_begin -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:311: replace Lexer<'a>::read_unsigned -> LexResult<Token> with LexResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs:56: replace check_special_get_balance -> TypeResult with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:153: replace AnalysisDatabase<'a>::get_public_function_type -> CheckResult<Option<FunctionType>> with CheckResult::from_iter([Some(Default::default())])
+clarity/src/vm/ast/parser/v2/mod.rs:1062: replace Parser<'a>::parse_node_or_eof -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:253: replace ContractContext::add_persisted_variable_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::new((Default::default(), vec![], true))
+clarity/src/vm/functions/tuples.rs:30: replace tuple_cons -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:318: replace ContractInterfaceNonFungibleTokens::from_map -> Vec<Self> with vec![Default::default()]
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:62: replace TraitContext::add_defined_trait -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:388: replace TypeChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:100: replace check_special_at_block -> TypeResult with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:123: replace AnalysisDatabase<'a>::insert_contract -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:162: replace ContractContext::add_nft -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:186: replace ContractContext::check_function_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/database/structures.rs:744: replace STXBalance::zero -> STXBalance with Default::default()
+clarity/src/vm/contexts.rs:619: replace OwnedEnvironment<'a, 'hooks>::new_cost_limited -> OwnedEnvironment<'a, '_> with Default::default()
+clarity/src/vm/functions/arithmetic.rs:504: replace special_greater -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/functions/arithmetic.rs:572: replace native_log2 -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/types/mod.rs:101: replace QualifiedContractIdentifier::transient -> QualifiedContractIdentifier with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:986: replace TypeChecker<'a, 'b>::type_check -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:126: replace ContractContext::add_map_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:82: replace check_special_print -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_db.rs:1129: replace ClarityDatabase<'a>::create_variable -> DataVariableMetadata with Default::default()
+clarity/src/vm/functions/assets.rs:436: replace special_mint_asset_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:351: replace TypeChecker<'a, 'b>::into_contract_analysis -> LimitedCostTracker with Default::default()
+clarity/src/vm/analysis/types.rs:230: replace ContractAnalysis::check_trait_compliance -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:497: replace TypeChecker<'a, 'b>::type_check_consecutive_statements -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:126: replace ContractContext::add_map_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:160: replace Lexer<'a>::proceed_through_error -> LexResult<String> with LexResult::new(String::new())
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:500: replace check_secp256k1_verify -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:219: replace Parser<'a>::handle_open_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new(None)
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:145: replace FunctionType::check_args_2_05 -> CheckResult<TypeSignature> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/types/mod.rs:109: replace QualifiedContractIdentifier::parse -> Result<QualifiedContractIdentifier> with Ok(Default::default())
+clarity/src/vm/analysis/types.rs:167: replace ContractAnalysis::get_read_only_function_type -> Option<&FunctionType> with Some(&Default::default())
+clarity/src/vm/analysis/types.rs:230: replace ContractAnalysis::check_trait_compliance -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/types/signatures.rs:958: replace TypeSignature::empty_buffer -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:168: replace ContractContext::check_name_used -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:266: replace ContractInterfaceFunction::from_map -> Vec<ContractInterfaceFunction> with vec![Default::default()]
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:571: replace clarity2_trait_check_trait_compliance -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1372: replace TypeChecker<'a, 'b>::type_check_define_ft -> CheckResult<ClarityName> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:118: replace <impl AnalysisPass for TypeChecker<'_, '_>>::run_pass -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/sugar_expander/mod.rs:40: replace <impl BuildASTPass for SugarExpander>::run_pass -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/functions/assets.rs:260: replace special_stx_burn -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::from(Some(String::new()))
+clarity/src/vm/costs/mod.rs:1050: replace <impl CostTracker for &mut LimitedCostTracker>::compute_cost -> std::result::Result<ExecutionCost, CostErrors> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:33: replace check_special_get_owner -> TypeResult with Default::default()
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::from(None)
+clarity/src/vm/functions/sequences.rs:87: replace special_fold -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/traits_resolver/mod.rs:36: replace <impl BuildASTPass for TraitsResolver>::run_pass -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/functions/mod.rs:623: replace special_if -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/serialization.rs:120: replace <impl From for SerializationError>::from -> Self with Default::default()
+clarity/src/vm/database/clarity_db.rs:295: replace <impl HeadersDB for NullHeadersDB>::get_consensus_hash_for_block -> Option<ConsensusHash> with Some(Default::default())
+clarity/src/vm/representations.rs:664: replace Span::zero -> Span with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:1093: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:113: replace check_special_default_to -> TypeResult with Default::default()
+clarity/src/vm/contexts.rs:1135: replace Environment<'a, 'b, 'hooks>::inner_execute_contract -> Result<Value> with Ok(Default::default())
+clarity/src/vm/test_util/mod.rs:210: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_stacks_epoch -> Option<StacksEpoch> with Some(Default::default())
+clarity/src/vm/functions/arithmetic.rs:554: replace native_add -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/functions/options.rs:173: replace special_match_resp -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:160: replace Lexer<'a>::proceed_through_error -> LexResult<String> with LexResult::from(String::new())
+clarity/src/vm/analysis/read_only_checker/mod.rs:182: replace ReadOnlyChecker<'a, 'b>::check_reads_only_valid -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/database/clarity_db.rs:525: replace ClarityDatabase<'a>::get_with_proof -> Option<(T, Vec<u8>)> with Some((Default::default(), vec![]))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1385: replace TypeChecker<'a, 'b>::type_check_define_nft -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:662: replace check_get_burn_block_info -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_db.rs:1602: replace ClarityDatabase<'a>::create_fungible_token -> FungibleTokenMetadata with Default::default()
+clarity/src/vm/database/clarity_db.rs:1778: replace ClarityDatabase<'a>::get_nft_owner -> Result<PrincipalData> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:389: replace Lexer<'a>::read_ascii_string -> LexResult<Token> with LexResult::from(Default::default())
+clarity/src/vm/ast/mod.rs:69: replace parse_in_epoch -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![Default::default()]])
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:103: replace check_special_begin -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:185: replace Lexer<'a>::proceed_through_error_string -> LexResult<String> with LexResult::new()
+clarity/src/vm/ast/mod.rs:69: replace parse_in_epoch -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:62: replace TraitContext::add_defined_trait -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/types/mod.rs:1324: replace PrincipalData::parse_standard_principal -> Result<StandardPrincipalData> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:530: replace TypeChecker<'a, 'b>::type_check_function_type -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:219: replace Parser<'a>::handle_open_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::new(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:102: replace TraitContext::get_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with Some(&BTreeMap::new())
+clarity/src/vm/analysis/read_only_checker/mod.rs:281: replace ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only -> CheckResult<bool> with CheckResult::new(true)
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::from(Some("xyzzy".into()))
+clarity/src/vm/costs/mod.rs:1099: replace <impl FromSql for ExecutionCost>::column_result -> FromSqlResult<ExecutionCost> with FromSqlResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:203: replace check_special_concat -> TypeResult with Default::default()
+clarity/src/vm/functions/options.rs:258: replace native_default_to -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:381: replace native_bitwise_not -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/analysis_db.rs:106: replace AnalysisDatabase<'a>::load_contract -> Option<ContractAnalysis> with Some(Default::default())
+clarity/src/vm/types/mod.rs:1178: replace BuffData::len -> BufferLength with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:160: replace Lexer<'a>::proceed_through_error -> LexResult<String> with LexResult::new()
+clarity/src/vm/ast/mod.rs:103: replace build_ast_with_rules -> ParseResult<ContractAST> with ParseResult::from(Default::default())
+clarity/src/vm/types/mod.rs:653: replace <impl SequencedValue for ASCIIData>::items -> &Vec<u8> with &vec![0]
+clarity/src/vm/functions/arithmetic.rs:518: replace special_less_v1 -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1414: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::new(Some(()))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:785: replace clarity2_lookup_trait -> CheckResult<BTreeMap<ClarityName, FunctionSignature>> with CheckResult::from_iter([BTreeMap::new()])
+clarity/src/vm/test_util/mod.rs:256: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_ast_rules -> ASTRules with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:1093: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:182: replace ContractContext::get_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with Some(&BTreeMap::new())
+clarity/src/vm/functions/conversions.rs:166: replace safe_convert_string_to_uint -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:61: replace ContractContext::check_name_used -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/database/clarity_db.rs:1502: replace ClarityDatabase<'a>::inner_set_entry -> Result<ValueResult> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![(Default::default(), 1, 1)])
+clarity/src/vm/analysis/read_only_checker/mod.rs:430: replace ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only -> CheckResult<bool> with CheckResult::from(false)
+clarity/src/vm/ast/expression_identifier/mod.rs:40: replace update_expression_id -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/test_util/mod.rs:61: replace execute_on_network -> Value with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:807: replace Parser<'a>::parse_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from_iter([None])
+clarity/src/vm/functions/arithmetic.rs:52: replace ASCIIOps::make_value -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1136: replace TypeChecker<'a, 'b>::type_check_define_map -> CheckResult<(ClarityName, (TypeSignature, TypeSignature))> with CheckResult::new((Default::default(), (Default::default(), Default::default())))
+clarity/src/vm/functions/assets.rs:979: replace special_burn_asset_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:48: replace AnalysisDatabase<'a>::execute -> Result<T, E> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:401: replace check_special_index_of -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1398: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::from((Default::default(), BTreeMap::new()))
+clarity/src/vm/types/signatures.rs:1476: replace TypeSignature::parse_response_type_repr -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:67: replace BuffOps::make_value -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/ast/parser/v1.rs:462: replace unescape_ascii_chars -> ParseResult<String> with ParseResult::new(String::new())
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:93: replace check_special_at_block -> TypeResult with Default::default()
+clarity/src/vm/analysis/errors.rs:262: replace <impl Error for CheckError>::source -> Option<&(dyn error::Error +'static)> with Some(&Default::default())
+clarity/src/vm/variables.rs:44: replace NativeVariables::lookup_by_name_at_version -> Option<NativeVariables> with Some(Default::default())
+clarity/src/vm/database/clarity_store.rs:327: replace <impl ClarityBackingStore for MemoryBackingStore>::get_cc_special_cases_handler -> Option<SpecialCaseHandler> with Some(Default::default())
+clarity/src/vm/types/serialization.rs:535: replace Value::deserialize_read_count -> Result<(Value, u64), SerializationError> with Ok((Default::default(), 0))
+clarity/src/vm/database/clarity_db.rs:157: replace <impl HeadersDB for &dyn HeadersDB>::get_stacks_block_header_hash_for_block -> Option<BlockHeaderHash> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:35: replace check_special_okay -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:177: replace ContractContext::add_implemented_trait -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:845: replace type_reserved_variable -> Option<TypeSignature> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:106: replace ContractContext::add_read_only_function_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/database/key_value_wrapper.rs:354: replace RollbackWrapper<'a>::get_with_proof -> Option<(T, Vec<u8>)> with Some((Default::default(), vec![]))
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:311: replace Lexer<'a>::read_unsigned -> LexResult<Token> with LexResult::new(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:140: replace Lexer<'a>::read_line -> LexResult<String> with LexResult::new()
+clarity/src/vm/version.rs:46: replace <impl FromStr for ClarityVersion>::from_str -> Result<ClarityVersion, Error> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/mod.rs:64: replace FunctionType::check_args_by_allowing_trait_cast -> CheckResult<TypeSignature> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:46: replace check_special_some -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v1.rs:462: replace unescape_ascii_chars -> ParseResult<String> with ParseResult::new("xyzzy".into())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:203: replace ContractContext::add_public_function_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/database/clarity_store.rs:285: replace MemoryBackingStore::as_analysis_db -> AnalysisDatabase with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:95: replace check_special_is_optional -> TypeResult with Default::default()
+clarity/src/vm/functions/arithmetic.rs:59: replace UTF8Ops::make_value -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/types/mod.rs:918: replace Value::cons_list -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:434: replace special_leq_v1 -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/functions/arithmetic.rs:518: replace special_less_v1 -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/database/clarity_db.rs:1447: replace ClarityDatabase<'a>::insert_entry_unknown_descriptor -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:388: replace TypeChecker<'a, 'b>::run -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/tests/datamaps.rs:689: replace make_tuple -> Value with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:268: replace ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only -> Option<CheckResult<bool>> with Some(CheckResult::new())
+clarity/src/vm/functions/arithmetic.rs:569: replace native_sqrti -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:792: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::from_iter([(Default::default(), BTreeMap::new())])
+clarity/src/vm/types/signatures.rs:261: replace FunctionReturnsSignature::canonicalize -> FunctionReturnsSignature with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:208: replace AnalysisDatabase<'a>::get_implemented_traits -> CheckResult<BTreeSet<TraitIdentifier>> with CheckResult::new()
+clarity/src/vm/errors.rs:193: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/ast/errors.rs:147: replace <impl From for ParseError>::from -> Self with Default::default()
+clarity/src/vm/contexts.rs:1646: replace GlobalContext<'a, 'hooks>::execute -> Result<T> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:268: replace ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only -> Option<CheckResult<bool>> with Some(CheckResult::from_iter([true]))
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::from_iter([None])
+clarity/src/vm/docs/mod.rs:2583: replace make_define_reference -> FunctionAPI with Default::default()
+clarity/src/vm/types/signatures.rs:1007: replace TypeSignature::bound_string_ascii_type -> TypeSignature with Default::default()
+clarity/src/vm/ast/stack_depth_checker.rs:28: replace check -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:476: replace special_greater_v1 -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/trait_checker/mod.rs:39: replace <impl AnalysisPass for TraitChecker>::run_pass -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/test_util/mod.rs:116: replace <impl From for Value>::from -> Value with Default::default()
+clarity/src/vm/functions/database.rs:840: replace special_get_burn_block_info -> Result<Value> with Ok(Default::default())
+clarity/src/vm/representations.rs:534: replace SymbolicExpression::literal_value -> SymbolicExpression with Default::default()
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![(Default::default(), 1, 1)]])
+clarity/src/vm/ast/parser/v1.rs:462: replace unescape_ascii_chars -> ParseResult<String> with ParseResult::from_iter(["xyzzy".into()])
+clarity/src/vm/functions/arithmetic.rs:575: replace native_mod -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:346: replace FunctionType::clarity2_principal_to_callable_type -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:102: replace TraitContext::get_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with Some(&BTreeMap::from_iter([(Default::default(), Default::default())]))
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:305: replace type_reserved_variable -> Option<TypeSignature> with Some(Default::default())
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![(Default::default(), 0, 0)])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:785: replace clarity2_lookup_trait -> CheckResult<BTreeMap<ClarityName, FunctionSignature>> with CheckResult::from(BTreeMap::new())
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::new(Some(String::new()))
+clarity/src/vm/functions/arithmetic.rs:569: replace native_sqrti -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1346: replace TypeChecker<'a, 'b>::type_check_define_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new((Default::default(), Default::default()))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1398: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::new((Default::default(), BTreeMap::from_iter([(Default::default(), Default::default())])))
+clarity/src/vm/types/mod.rs:886: replace Value::list_with_type -> Result<Value> with Ok(Default::default())
+clarity/src/vm/contexts.rs:1040: replace Environment<'a, 'b, 'hooks>::eval_read_only -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:566: replace check_principal_of -> TypeResult with Default::default()
+clarity/src/vm/contexts.rs:1825: replace ContractContext::lookup_trait_definition -> Option<BTreeMap<ClarityName, FunctionSignature>> with Some(BTreeMap::from_iter([(Default::default(), Default::default())]))
+clarity/src/vm/types/signatures.rs:1489: replace TypeSignature::parse_type_repr -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/ast/mod.rs:53: replace parse -> Result<Vec<SymbolicExpression>, Error> with Ok(vec![Default::default()])
+clarity/src/vm/database/clarity_db.rs:166: replace <impl HeadersDB for &dyn HeadersDB>::get_vrf_seed_for_block -> Option<VRFSeed> with Some(Default::default())
+clarity/src/vm/functions/arithmetic.rs:518: replace special_less_v1 -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/ast/parser/v2/mod.rs:1093: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:304: replace ContractContext::get_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with Some(&BTreeMap::new())
+clarity/src/vm/analysis/read_only_checker/mod.rs:227: replace ReadOnlyChecker<'a, 'b>::check_read_only -> CheckResult<bool> with CheckResult::from_iter([false])
+clarity/src/vm/types/signatures.rs:49: replace AssetIdentifier::STX -> AssetIdentifier with Default::default()
+clarity/src/vm/functions/arithmetic.rs:560: replace native_mul -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/database/clarity_db.rs:525: replace ClarityDatabase<'a>::get_with_proof -> Option<(T, Vec<u8>)> with Some((Default::default(), vec![1]))
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:213: replace ContractContext::add_read_only_function_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/ast/stack_depth_checker.rs:53: replace check_vary -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:156: replace FunctionType::check_args_2_1 -> CheckResult<TypeSignature> with CheckResult::new()
+clarity/src/vm/analysis/analysis_db.rs:208: replace AnalysisDatabase<'a>::get_implemented_traits -> CheckResult<BTreeSet<TraitIdentifier>> with CheckResult::new(BTreeSet::from_iter([Default::default()]))
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:113: replace inner_handle_tuple_get -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:864: replace TypedNativeFunction::type_native_function::parse_principal_basic_type -> TypeSignature with Default::default()
+clarity/src/vm/database/clarity_store.rs:291: replace <impl ClarityBackingStore for MemoryBackingStore>::set_block_hash -> InterpreterResult<StacksBlockId> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:126: replace ContractContext::add_map_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/functions/arithmetic.rs:569: replace native_sqrti -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1357: replace TypeChecker<'a, 'b>::type_check_define_persisted_variable -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new((Default::default(), Default::default()))
+clarity/src/vm/analysis/type_checker/contexts.rs:129: replace TypingContext<'a>::lookup_trait_reference_type -> Option<&TraitIdentifier> with Some(&Default::default())
+clarity/src/vm/functions/arithmetic.rs:47: replace I128Ops::make_value -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/types/signatures.rs:1409: replace TypeSignature::parse_tuple_type_repr -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/functions/database.rs:69: replace special_contract_call -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/mod.rs:87: replace ast_check_size -> ParseResult<ContractAST> with ParseResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:546: replace TypeChecker<'a, 'b>::type_check_define_function -> CheckResult<(ClarityName, FixedFunction)> with CheckResult::new()
+clarity/src/vm/contexts.rs:408: replace AssetMap::to_table -> HashMap<PrincipalData, HashMap<AssetIdentifier, AssetMapEntry>> with HashMap::from_iter([(Default::default(), HashMap::from_iter([(Default::default(), Default::default())]))])
+clarity/src/vm/analysis/type_checker/contexts.rs:65: replace TypeMap::get_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/functions/arithmetic.rs:554: replace native_add -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/functions/arithmetic.rs:532: replace special_less_v2 -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/database/clarity_store.rs:239: replace <impl ClarityBackingStore for NullBackingStore>::get_block_at_height -> Option<StacksBlockId> with Some(Default::default())
+clarity/src/vm/clarity.rs:55: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/functions/arithmetic.rs:67: replace BuffOps::make_value -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:354: replace ContractInterfaceMap::from_map -> Vec<ContractInterfaceMap> with vec![Default::default()]
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:116: replace ContractContext::add_private_function_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/functions/define.rs:139: replace handle_define_function -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/contexts.rs:631: replace OwnedEnvironment<'a, 'hooks>::get_exec_environment -> Environment<'b, 'a, 'hooks> with Default::default()
+clarity/src/vm/analysis/mod.rs:50: replace mem_type_check -> CheckResult<(Option<TypeSignature>, ContractAnalysis)> with CheckResult::new((None, Default::default()))
+clarity/src/vm/representations.rs:275: replace PreSymbolicExpression::sugared_contract_identifier -> PreSymbolicExpression with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:189: replace AnalysisDatabase<'a>::get_defined_trait -> CheckResult<Option<BTreeMap<ClarityName, FunctionSignature>>> with CheckResult::new()
+clarity/src/vm/types/mod.rs:653: replace <impl SequencedValue for ASCIIData>::items -> &Vec<u8> with &vec![]
+clarity/src/vm/representations.rs:292: replace PreSymbolicExpression::atom_value -> PreSymbolicExpression with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:233: replace ContractContext::add_map_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/definition_sorter/mod.rs:433: replace Graph::edges_count -> ParseResult<u64> with ParseResult::new(0)
+clarity/src/vm/analysis/read_only_checker/mod.rs:170: replace ReadOnlyChecker<'a, 'b>::check_define_function -> CheckResult<(ClarityName, bool)> with CheckResult::from_iter([(Default::default(), true)])
+clarity/src/vm/functions/arithmetic.rs:377: replace native_bitwise_or -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/analysis_db.rs:215: replace AnalysisDatabase<'a>::destroy -> RollbackWrapper<'a> with Default::default()
+clarity/src/vm/database/clarity_db.rs:351: replace <impl BurnStateDB for NullBurnStateDB>::get_burn_header_hash -> Option<BurnchainHeaderHash> with Some(Default::default())
+clarity/src/vm/functions/arithmetic.rs:504: replace special_greater -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/ast/sugar_expander/mod.rs:66: replace SugarExpander::transform -> ParseResult<Vec<SymbolicExpression>> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:546: replace TypeChecker<'a, 'b>::type_check_define_function -> CheckResult<(ClarityName, FixedFunction)> with CheckResult::new((Default::default(), Default::default()))
+clarity/src/vm/analysis/type_checker/mod.rs:64: replace FunctionType::check_args_by_allowing_trait_cast -> CheckResult<TypeSignature> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/ast/parser/v1.rs:720: replace parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:186: replace ContractContext::check_function_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/representations.rs:299: replace PreSymbolicExpression::atom -> PreSymbolicExpression with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/assets.rs:140: replace check_special_transfer_asset -> TypeResult with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:170: replace ReadOnlyChecker<'a, 'b>::check_define_function -> CheckResult<(ClarityName, bool)> with CheckResult::from_iter([(Default::default(), false)])
+clarity/src/vm/ast/mod.rs:153: replace build_ast_with_diagnostics -> (ContractAST, Vec<Diagnostic>, bool) with (Default::default(), vec![], false)
+clarity/src/vm/analysis/type_checker/contexts.rs:82: replace TypingContext<'a>::extend -> CheckResult<TypingContext> with CheckResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:779: replace TypeChecker<'a, 'b>::type_check_define_nft -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::new((Default::default(), Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:162: replace ContractContext::add_nft -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:365: replace check_contract_call -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:75: replace check_special_print -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1414: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::from(None)
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:831: replace trait_type_size -> CheckResult<u64> with CheckResult::new(1)
+clarity/src/vm/analysis/trait_checker/mod.rs:55: replace TraitChecker::run -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/database/clarity_db.rs:620: replace ClarityDatabase<'a>::fetch_metadata -> Result<Option<T>> with Ok(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/mod.rs:64: replace FunctionType::check_args_by_allowing_trait_cast -> CheckResult<TypeSignature> with CheckResult::from(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:54: replace DefinitionSorter::run_pass -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/ast/sugar_expander/mod.rs:66: replace SugarExpander::transform -> ParseResult<Vec<SymbolicExpression>> with ParseResult::from_iter([vec![Default::default()]])
+clarity/src/vm/types/mod.rs:690: replace <impl SequencedValue for UTF8Data>::to_value -> Value with Default::default()
+clarity/src/vm/ast/expression_identifier/mod.rs:51: replace ExpressionIdentifier::run_pre_expression_pass -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![(Default::default(), 1, 1)])
+clarity/src/vm/database/sqlite.rs:203: replace SqliteConnection::inner_open -> Result<Connection> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:171: replace AnalysisDatabase<'a>::get_read_only_function_type -> CheckResult<Option<FunctionType>> with CheckResult::from_iter([None])
+clarity/src/vm/types/mod.rs:1521: replace TupleData::get -> Result<&Value> with Ok(&Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:868: replace no_type -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:142: replace inner_unwrap -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/maps.rs:107: replace check_set_or_insert_entry -> TypeResult with Default::default()
+clarity/src/vm/types/signatures.rs:861: replace TupleTypeSignature::get_type_map -> &BTreeMap<ClarityName, TypeSignature> with &BTreeMap::new()
+clarity/src/vm/database/clarity_db.rs:1330: replace ClarityDatabase<'a>::fetch_entry -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:177: replace ContractContext::add_implemented_trait -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/contract_interface_builder/mod.rs:236: replace ContractInterfaceFunctionArg::from_function_args -> Vec<ContractInterfaceFunctionArg> with vec![Default::default()]
+clarity/src/vm/contexts.rs:726: replace OwnedEnvironment<'a, 'hooks>::initialize_contract_from_ast -> Result<((), AssetMap, Vec<StacksTransactionEvent>)> with Ok(((), Default::default(), vec![Default::default()]))
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:785: replace clarity2_lookup_trait -> CheckResult<BTreeMap<ClarityName, FunctionSignature>> with CheckResult::from(BTreeMap::from_iter([(Default::default(), Default::default())]))
+clarity/src/vm/ast/sugar_expander/mod.rs:66: replace SugarExpander::transform -> ParseResult<Vec<SymbolicExpression>> with ParseResult::new(vec![])
+clarity/src/vm/mod.rs:557: replace execute -> Result<Option<Value>> with Ok(Some(Default::default()))
+clarity/src/vm/types/signatures.rs:1065: replace TypeSignature::least_supertype_v2_0 -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:389: replace Lexer<'a>::read_ascii_string -> LexResult<Token> with LexResult::new()
+clarity/src/vm/functions/sequences.rs:252: replace special_concat_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/serialization.rs:150: replace <impl From for TypePrefix>::from -> TypePrefix with Default::default()
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::from_iter([(Default::default(), vec![Default::default()], true)])
+clarity/src/vm/representations.rs:341: replace PreSymbolicExpression::comment -> PreSymbolicExpression with Default::default()
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::new()
+clarity/src/vm/representations.rs:570: replace SymbolicExpression::match_list -> Option<&[SymbolicExpression]> with Some(Vec::leak(vec![Default::default()]))
+clarity/src/vm/representations.rs:424: replace depth_traverse -> Result<T, E> with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:287: replace <impl HeadersDB for NullHeadersDB>::get_stacks_block_header_hash_for_block -> Option<BlockHeaderHash> with Some(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:160: replace Lexer<'a>::proceed_through_error -> LexResult<String> with LexResult::from("xyzzy".into())
+clarity/src/vm/functions/sequences.rs:330: replace native_element_at -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1321: replace TypeChecker<'a, 'b>::inner_type_check -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:326: replace Lexer<'a>::read_integer -> LexResult<Token> with LexResult::from_iter([Default::default()])
+clarity/src/vm/functions/arithmetic.rs:405: replace special_geq_v2 -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/types/mod.rs:1148: replace Value::expect_result_ok -> Value with Default::default()
+clarity/src/vm/contexts.rs:764: replace OwnedEnvironment<'a, 'hooks>::stx_transfer -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![]))
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:252: replace check_special_unwrap -> TypeResult with Default::default()
+clarity/src/vm/types/mod.rs:189: replace TraitIdentifier::parse_fully_qualified -> Result<TraitIdentifier> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:575: replace Lexer<'a>::read_utf8_string -> LexResult<Token> with LexResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:349: replace check_special_len -> TypeResult with Default::default()
+clarity/src/vm/functions/arithmetic.rs:604: replace native_bitwise_right_shift -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/callables.rs:351: replace DefinedFunction::get_identifier -> FunctionIdentifier with Default::default()
+clarity/src/vm/functions/arithmetic.rs:67: replace BuffOps::make_value -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:548: replace TypedNativeFunction::type_native_function -> TypedNativeFunction with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/error.rs:71: replace <impl DiagnosableError for LexerError>::level -> crate::vm::diagnostic::Level with Default::default()
+clarity/src/vm/ast/definition_sorter/mod.rs:54: replace DefinitionSorter::run_pass -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/docs/mod.rs:2570: replace make_for_define -> FunctionAPI with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:766: replace TypeChecker<'a, 'b>::type_check_define_ft -> CheckResult<ClarityName> with CheckResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:92: replace check_special_is_optional -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs:244: replace check_special_burn_token -> TypeResult with Default::default()
+clarity/src/vm/analysis/mod.rs:50: replace mem_type_check -> CheckResult<(Option<TypeSignature>, ContractAnalysis)> with CheckResult::new((Some(Default::default()), Default::default()))
+clarity/src/vm/types/signatures.rs:1812: replace parse_name_type_pairs -> Result<Vec<(ClarityName, TypeSignature)>> with Ok(vec![(Default::default(), Default::default())])
+clarity/src/vm/contexts.rs:752: replace OwnedEnvironment<'a, 'hooks>::execute_transaction -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![Default::default()]))
+clarity/src/vm/docs/contracts.rs:95: replace make_docs -> ContractRef with Default::default()
+clarity/src/vm/functions/arithmetic.rs:604: replace native_bitwise_right_shift -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/functions/define.rs:206: replace handle_define_fungible_token -> Result<DefineResult> with Ok(Default::default())
+clarity/src/vm/analysis/trait_checker/mod.rs:39: replace <impl AnalysisPass for TraitChecker>::run_pass -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/contexts.rs:556: replace OwnedEnvironment<'a, 'hooks>::new_toplevel -> OwnedEnvironment<'a, '_> with Default::default()
+clarity/src/vm/functions/principals.rs:155: replace special_principal_destruct -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/options.rs:246: replace native_is_err -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:792: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::new((Default::default(), BTreeMap::new()))
+clarity/src/vm/ast/traits_resolver/mod.rs:201: replace TraitsResolver::probe_for_generics -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/database/clarity_db.rs:225: replace <impl BurnStateDB for &dyn BurnStateDB>::get_stacks_epoch -> Option<StacksEpoch> with Some(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:687: replace Parser<'a>::read_sugared_principal -> ParseResult<PreSymbolicExpression> with ParseResult::from_iter([Default::default()])
+clarity/src/vm/database/key_value_wrapper.rs:384: replace RollbackWrapper<'a>::deserialize_value -> Result<ValueResult, SerializationError> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:116: replace ContractContext::add_private_function_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/analysis/read_only_checker/mod.rs:112: replace ReadOnlyChecker<'a, 'b>::check_top_level_expression -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/functions/arithmetic.rs:560: replace native_mul -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:304: replace ContractContext::get_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with Some(&BTreeMap::from_iter([(Default::default(), Default::default())]))
+clarity/src/vm/ast/traits_resolver/mod.rs:48: replace TraitsResolver::run -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/functions/sequences.rs:56: replace special_filter -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/database.rs:469: replace special_set_entry_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:379: replace DefinitionSorter::find_expression_definition -> Option<(ClarityName, u64, &'b PreSymbolicExpression)> with Some((Default::default(), 0, &Default::default()))
+clarity/src/vm/functions/conversions.rs:218: replace to_consensus_buff -> Result<Value> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:1191: replace BuffData::empty -> Self with Default::default()
+clarity/src/vm/types/signatures.rs:464: replace ListTypeData::destruct -> (TypeSignature, u32) with (Default::default(), 1)
+clarity/src/vm/ast/parser/v2/mod.rs:1083: replace Parser<'a>::parse -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![])
+clarity/src/vm/analysis/read_only_checker/mod.rs:244: replace ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only -> CheckResult<bool> with CheckResult::from_iter([false])
+clarity/src/vm/analysis/analysis_db.rs:137: replace AnalysisDatabase<'a>::get_clarity_version -> CheckResult<ClarityVersion> with CheckResult::new(Default::default())
+clarity/src/vm/database/clarity_db.rs:364: replace <impl BurnStateDB for NullBurnStateDB>::get_stacks_epoch_by_epoch_id -> Option<StacksEpoch> with Some(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:65: replace DefinitionSorter::run -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/types/mod.rs:1126: replace Value::expect_callable -> CallableData with Default::default()
+clarity/src/vm/types/signatures.rs:444: replace ListTypeData::new_list -> Result<ListTypeData> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:170: replace ReadOnlyChecker<'a, 'b>::check_define_function -> CheckResult<(ClarityName, bool)> with CheckResult::new((Default::default(), false))
+clarity/src/vm/contexts.rs:829: replace OwnedEnvironment<'a, 'hooks>::eval_read_only -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![]))
+clarity/src/vm/ast/sugar_expander/mod.rs:66: replace SugarExpander::transform -> ParseResult<Vec<SymbolicExpression>> with ParseResult::from(vec![])
+clarity/src/vm/types/serialization.rs:114: replace <impl From for SerializationError>::from -> Self with Default::default()
+clarity/src/vm/functions/arithmetic.rs:563: replace native_div -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/ast/mod.rs:69: replace parse_in_epoch -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from_iter([vec![]])
+clarity/src/vm/types/mod.rs:1007: replace Value::string_utf8_from_bytes -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:466: replace RollbackWrapper<'a>::get_metadata -> InterpreterResult<Option<String>> with InterpreterResult::new(Some("xyzzy".into()))
+clarity/src/vm/database/key_value_wrapper.rs:425: replace RollbackWrapper<'a>::get_block_header_hash -> Option<StacksBlockId> with Some(Default::default())
+clarity/src/vm/functions/arithmetic.rs:41: replace U128Ops::make_value -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/costs/mod.rs:891: replace compute_cost -> Result<ExecutionCost> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:563: replace native_div -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:168: replace ContractContext::check_name_used -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::from((Default::default(), vec![Default::default()], true))
+clarity/src/vm/types/signatures.rs:763: replace TypeSignature::concretize -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/functions/sequences.rs:281: replace special_as_max_len -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:357: replace DefinitionSorter::probe_for_dependencies_in_wrapped_key_value_pairs -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:328: replace FunctionType::principal_to_callable_type -> TypeResult with Default::default()
+clarity/src/vm/tests/principals.rs:306: replace create_principal_destruct_tuple_from_strings -> Value with Default::default()
+clarity/src/vm/types/mod.rs:1099: replace Value::expect_tuple -> TupleData with Default::default()
+clarity/src/vm/functions/sequences.rs:178: replace special_append -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/types.rs:230: replace ContractAnalysis::check_trait_compliance -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/analysis/trait_checker/mod.rs:39: replace <impl AnalysisPass for TraitChecker>::run_pass -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:264: replace check_special_append -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:303: replace check_special_match_opt -> TypeResult with Default::default()
+clarity/src/vm/database/clarity_db.rs:525: replace ClarityDatabase<'a>::get_with_proof -> Option<(T, Vec<u8>)> with Some((Default::default(), vec![0]))
+clarity/src/vm/database/clarity_db.rs:1038: replace ClarityDatabase<'a>::get_cc_special_cases_handler -> Option<SpecialCaseHandler> with Some(Default::default())
+clarity/src/vm/types/serialization.rs:1198: replace Value::sanitize_value -> Option<(Value, bool)> with Some((Default::default(), true))
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:39: replace get_simple_native_or_user_define -> CheckResult<FunctionType> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:186: replace ContractContext::check_function_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:766: replace TypeChecker<'a, 'b>::type_check_define_ft -> CheckResult<ClarityName> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:126: replace ContractContext::add_map_type -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/functions/principals.rs:88: replace create_principal_destruct_tuple -> Value with Default::default()
+clarity/src/vm/types/mod.rs:1319: replace PrincipalData::parse_qualified_contract_principal -> Result<PrincipalData> with Ok(Default::default())
+clarity/src/vm/ast/expression_identifier/mod.rs:23: replace inner_relabel -> ParseResult<u64> with ParseResult::from_iter([0])
+clarity/src/vm/test_util/mod.rs:253: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_sortition_id_from_consensus_hash -> Option<SortitionId> with Some(Default::default())
+clarity/src/vm/ast/sugar_expander/mod.rs:40: replace <impl BuildASTPass for SugarExpander>::run_pass -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/types/signatures.rs:1463: replace TypeSignature::parse_optional_type_repr -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/ast/definition_sorter/mod.rs:456: replace GraphWalker::get_sorted_dependencies -> ParseResult<Vec<usize>> with ParseResult::from_iter([vec![0]])
+clarity/src/vm/representations.rs:551: replace SymbolicExpression::trait_reference -> SymbolicExpression with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:687: replace Parser<'a>::read_sugared_principal -> ParseResult<PreSymbolicExpression> with ParseResult::new()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:575: replace Lexer<'a>::read_utf8_string -> LexResult<Token> with LexResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:479: replace TypeChecker<'a, 'b>::type_check -> TypeResult with Default::default()
+clarity/src/vm/ast/definition_sorter/mod.rs:345: replace DefinitionSorter::probe_for_dependencies_in_list_of_wrapped_key_value_pairs -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/types/serialization.rs:102: replace <impl Error for SerializationError>::source -> Option<&(dyn error::Error +'static)> with Some(&Default::default())
+clarity/src/vm/functions/crypto.rs:71: replace pubkey_to_address_v1 -> StacksAddress with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:463: replace Parser<'a>::open_tuple -> ParseResult<SetupTupleResult> with ParseResult::from(Default::default())
+clarity/src/vm/functions/database.rs:260: replace special_fetch_variable_v205 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/contexts.rs:687: replace OwnedEnvironment<'a, 'hooks>::initialize_contract -> Result<((), AssetMap, Vec<StacksTransactionEvent>)> with Ok(((), Default::default(), vec![Default::default()]))
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:188: replace check_special_tuple_cons -> TypeResult with Default::default()
+clarity/src/vm/types/signatures.rs:1305: replace TypeSignature::empty_list -> ListTypeData with Default::default()
+clarity/src/vm/functions/arithmetic.rs:557: replace native_sub -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:779: replace TypeChecker<'a, 'b>::type_check_define_nft -> CheckResult<(ClarityName, TypeSignature)> with CheckResult::from((Default::default(), Default::default()))
+clarity/src/vm/ast/stack_depth_checker.rs:48: replace <impl BuildASTPass for StackDepthChecker>::run_pass -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/ast/sugar_expander/mod.rs:56: replace SugarExpander::run -> ParseResult<()> with ParseResult::from_iter([()])
+clarity/src/vm/functions/define.rs:291: replace DefineFunctionsParsed<'a>::try_parse -> std::result::Result<Option<DefineFunctionsParsed<'a>>, CheckErrors> with Ok(Some(Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:156: replace check_special_fold -> TypeResult with Default::default()
+clarity/src/vm/types/signatures.rs:806: replace <impl TryFrom for TupleTypeSignature>::try_from -> Result<TupleTypeSignature> with Ok(Default::default())
+clarity/src/vm/representations.rs:558: replace SymbolicExpression::field -> SymbolicExpression with Default::default()
+clarity/src/vm/functions/sequences.rs:226: replace special_concat_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/key_value_wrapper.rs:495: replace RollbackWrapper<'a>::get_metadata_manual -> InterpreterResult<Option<String>> with InterpreterResult::from_iter([None])
+clarity/src/vm/functions/arithmetic.rs:639: replace native_to_int -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/types/serialization.rs:1097: replace Value::try_deserialize_hex -> Result<Value, SerializationError> with Ok(Default::default())
+clarity/src/vm/functions/options.rs:242: replace native_is_okay -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:39: replace get_simple_native_or_user_define -> CheckResult<FunctionType> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:61: replace ContractContext::check_name_used -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:110: replace check_special_begin -> TypeResult with Default::default()
+clarity/src/vm/functions/options.rs:216: replace native_some -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from(vec![(Default::default(), 1, 0)])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:79: replace ContractContext::check_function_type -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/ast/mod.rs:103: replace build_ast_with_rules -> ParseResult<ContractAST> with ParseResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1398: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::new()
+clarity/src/vm/analysis/read_only_checker/mod.rs:59: replace <impl AnalysisPass for ReadOnlyChecker<'a, 'b>>::run_pass -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/callables.rs:87: replace NativeHandle::apply -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/expression_identifier/mod.rs:58: replace ExpressionIdentifier::run_expression_pass -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/analysis/type_checker/contexts.rs:82: replace TypingContext<'a>::extend -> CheckResult<TypingContext> with CheckResult::new()
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::from((Default::default(), vec![], true))
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:177: replace ContractContext::add_implemented_trait -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/definition_sorter/mod.rs:324: replace DefinitionSorter::probe_for_dependencies_in_define_args -> ParseResult<()> with ParseResult::new(())
+clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs:213: replace check_special_burn_asset -> TypeResult with Default::default()
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::from_iter([(Default::default(), vec![Default::default()], false)])
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:195: replace ContractContext::get_nft_type -> Option<&TypeSignature> with Some(&Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:269: replace ContractContext::add_nft -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/ast/expression_identifier/mod.rs:23: replace inner_relabel -> ParseResult<u64> with ParseResult::new(1)
+clarity/src/vm/types/mod.rs:766: replace BurnBlockInfoProperty::type_result -> TypeSignature with Default::default()
+clarity/src/vm/costs/mod.rs:1092: replace <impl ToSql for ExecutionCost>::to_sql -> rusqlite::Result<ToSqlOutput> with Ok(Default::default())
+clarity/src/vm/functions/conversions.rs:53: replace buff_to_int_generic -> Result<Value> with Ok(Default::default())
+clarity/src/vm/database/clarity_db.rs:355: replace <impl BurnStateDB for NullBurnStateDB>::get_stacks_epoch -> Option<StacksEpoch> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:259: replace ContractContext::add_ft -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/functions/conversions.rs:114: replace native_buff_to_uint_be::convert_to_uint_be -> Value with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:297: replace trait_type_size -> CheckResult<u64> with CheckResult::from(0)
+clarity/src/vm/ast/definition_sorter/mod.rs:65: replace DefinitionSorter::run -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:612: replace clarity2_inner_type_check_type -> TypeResult with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:268: replace ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only -> Option<CheckResult<bool>> with Some(CheckResult::from(false))
+clarity/src/vm/database/clarity_store.rs:213: replace NullBackingStore::as_clarity_db -> ClarityDatabase with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:349: replace check_special_len -> TypeResult with Default::default()
+clarity/src/vm/database/key_value_wrapper.rs:229: replace RollbackWrapper<'a>::get_cc_special_cases_handler -> Option<SpecialCaseHandler> with Some(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:367: replace check_special_element_at -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v1.rs:728: replace parse_no_stack_limit -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![Default::default()])
+clarity/src/vm/costs/mod.rs:1099: replace <impl FromSql for ExecutionCost>::column_result -> FromSqlResult<ExecutionCost> with FromSqlResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:79: replace ContractContext::check_function_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/costs/mod.rs:221: replace CostStateSummary::empty -> CostStateSummary with Default::default()
+clarity/src/vm/types/signatures.rs:376: replace <impl TryFrom for BufferLength>::try_from -> Result<BufferLength> with Ok(Default::default())
+clarity/src/vm/ast/parser/v1.rs:508: replace parse_lexed -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::from(vec![Default::default()])
+clarity/src/vm/test_util/mod.rs:220: replace <impl BurnStateDB for UnitTestBurnStateDB>::get_stacks_epoch_by_epoch_id -> Option<StacksEpoch> with Some(Default::default())
+clarity/src/vm/functions/arithmetic.rs:381: replace native_bitwise_not -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/types/mod.rs:1162: replace Value::expect_result_err -> Value with Default::default()
+clarity/src/vm/functions/arithmetic.rs:41: replace U128Ops::make_value -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:118: replace <impl AnalysisPass for TypeChecker<'_, '_>>::run_pass -> CheckResult<()> with CheckResult::from_iter([()])
+clarity/src/vm/ast/definition_sorter/mod.rs:307: replace DefinitionSorter::probe_for_dependencies_in_tuple -> ParseResult<()> with ParseResult::from(())
+clarity/src/vm/functions/arithmetic.rs:448: replace special_leq_v2 -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:281: replace ReadOnlyChecker<'a, 'b>::check_native_function_is_read_only -> CheckResult<bool> with CheckResult::from(false)
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:378: replace check_special_match -> TypeResult with Default::default()
+clarity/src/vm/analysis/types.rs:163: replace ContractAnalysis::get_public_function_type -> Option<&FunctionType> with Some(&Default::default())
+clarity/src/vm/costs/mod.rs:195: replace <impl From for SerializedCostStateSummary>::from -> SerializedCostStateSummary with Default::default()
+clarity/src/vm/types/signatures.rs:321: replace <impl From for FunctionSignature>::from -> FunctionSignature with Default::default()
+clarity/src/vm/contexts.rs:801: replace OwnedEnvironment<'a, 'hooks>::eval_raw -> Result<(Value, AssetMap, Vec<StacksTransactionEvent>)> with Ok((Default::default(), Default::default(), vec![Default::default()]))
+clarity/src/vm/types/mod.rs:77: replace StandardPrincipalData::transient -> StandardPrincipalData with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:158: replace Parser<'a>::peek_last_token -> ParseResult<&PlacedToken> with ParseResult::from(&Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:160: replace check_special_merge -> TypeResult with Default::default()
+clarity/src/vm/contexts.rs:1371: replace Environment<'a, 'b, 'hooks>::stx_transfer -> Result<Value> with Ok(Default::default())
+clarity/src/vm/functions/arithmetic.rs:364: replace native_xor -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/ast/parser/v1.rs:728: replace parse_no_stack_limit -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![])
+clarity/src/vm/analysis/type_checker/v2_1/natives/mod.rs:614: replace check_secp256k1_recover -> TypeResult with Default::default()
+clarity/src/vm/functions/assets.rs:676: replace special_transfer_token -> Result<Value> with Ok(Default::default())
+clarity/src/mod.rs:73: replace boot_util::boot_code_id -> QualifiedContractIdentifier with Default::default()
+clarity/src/vm/ast/mod.rs:309: replace build_ast -> ParseResult<ContractAST> with ParseResult::new()
+clarity/src/vm/analysis/read_only_checker/mod.rs:430: replace ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only -> CheckResult<bool> with CheckResult::from(true)
+clarity/src/vm/types/signatures.rs:1349: replace TypeSignature::construct_parent_list_type -> Result<ListTypeData> with Ok(Default::default())
+clarity/src/vm/analysis/analysis_db.rs:208: replace AnalysisDatabase<'a>::get_implemented_traits -> CheckResult<BTreeSet<TraitIdentifier>> with CheckResult::new(BTreeSet::new())
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:136: replace ContractContext::add_variable_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:156: replace check_special_fold -> TypeResult with Default::default()
+clarity/src/vm/ast/mod.rs:174: replace inner_build_ast -> ParseResult<(ContractAST, Vec<Diagnostic>, bool)> with ParseResult::from_iter([(Default::default(), vec![], true)])
+clarity/src/vm/functions/arithmetic.rs:52: replace ASCIIOps::make_value -> InterpreterResult<Value> with InterpreterResult::from_iter([Default::default()])
+clarity/src/vm/test_util/mod.rs:57: replace execute -> Value with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:283: replace Parser<'a>::handle_open_tuple -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from(Some(Default::default()))
+clarity/src/vm/ast/parser/v2/mod.rs:1109: replace parse_collect_diagnostics -> (Vec<PreSymbolicExpression>, Vec<Diagnostic>, bool) with (vec![], vec![Default::default()], true)
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:152: replace ContractContext::add_ft -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:474: replace Lexer<'a>::read_utf8_encoding -> LexResult<Result<String, String>> with LexResult::new(Ok("xyzzy".into()))
+clarity/src/vm/functions/arithmetic.rs:554: replace native_add -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/tests/mod.rs:126: replace env_factory -> MemoryEnvironmentGenerator with Default::default()
+clarity/src/vm/representations.rs:541: replace SymbolicExpression::list -> SymbolicExpression with Default::default()
+clarity/src/vm/database/clarity_db.rs:1279: replace ClarityDatabase<'a>::load_map -> Result<DataMapMetadata> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:807: replace Parser<'a>::parse_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from_iter([Some(Default::default())])
+clarity/src/vm/analysis/analysis_db.rs:137: replace AnalysisDatabase<'a>::get_clarity_version -> CheckResult<ClarityVersion> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/functions/arithmetic.rs:546: replace special_less -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:244: replace ReadOnlyChecker<'a, 'b>::check_each_expression_is_read_only -> CheckResult<bool> with CheckResult::from(false)
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:152: replace ContractContext::add_ft -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/errors.rs:169: replace <impl From for Error>::from -> Self with Default::default()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:140: replace Lexer<'a>::read_line -> LexResult<String> with LexResult::from_iter(["xyzzy".into()])
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![(Default::default(), 1, 1)])
+clarity/src/vm/analysis/type_checker/mod.rs:45: replace FunctionType::check_args -> CheckResult<TypeSignature> with CheckResult::new()
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:381: replace check_special_match -> TypeResult with Default::default()
+clarity/src/vm/ast/traits_resolver/mod.rs:201: replace TraitsResolver::probe_for_generics -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/ast/parser/v1.rs:455: replace lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![(Default::default(), 0, 1)])
+clarity/src/vm/analysis/analysis_db.rs:171: replace AnalysisDatabase<'a>::get_read_only_function_type -> CheckResult<Option<FunctionType>> with CheckResult::from(Some(Default::default()))
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:66: replace Lexer<'a>::add_diagnostic -> LexResult<()> with LexResult::new(())
+clarity/src/vm/database/clarity_db.rs:472: replace ClarityDatabase<'a>::get -> Option<T> with Some(Default::default())
+clarity/src/vm/types/signatures.rs:978: replace TypeSignature::max_string_ascii -> TypeSignature with Default::default()
+clarity/src/vm/types/mod.rs:96: replace QualifiedContractIdentifier::local -> Result<QualifiedContractIdentifier> with Ok(Default::default())
+clarity/src/vm/types/mod.rs:1227: replace ASCIIData::len -> BufferLength with Default::default()
+clarity/src/vm/ast/mod.rs:103: replace build_ast_with_rules -> ParseResult<ContractAST> with ParseResult::new(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:308: replace ContractContext::get_map_type -> Option<&(TypeSignature, TypeSignature)> with Some(&(Default::default(), Default::default()))
+clarity/src/vm/types/serialization.rs:535: replace Value::deserialize_read_count -> Result<(Value, u64), SerializationError> with Ok((Default::default(), 1))
+clarity/src/vm/representations.rs:320: replace PreSymbolicExpression::list -> PreSymbolicExpression with Default::default()
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::from_iter([vec![(Default::default(), 0, 1)]])
+clarity/src/vm/ast/parser/v1.rs:508: replace parse_lexed -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new(vec![])
+clarity/src/vm/ast/stack_depth_checker.rs:74: replace <impl BuildASTPass for VaryStackDepthChecker>::run_pass -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/database/clarity_store.rs:193: replace <impl ClarityDeserializable for ContractCommitment>::deserialize -> ContractCommitment with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/assets.rs:167: replace check_special_transfer_token -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1398: replace TypeChecker<'a, 'b>::type_check_define_trait -> CheckResult<(ClarityName, BTreeMap<ClarityName, FunctionSignature>)> with CheckResult::new((Default::default(), BTreeMap::new()))
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:140: replace Lexer<'a>::read_line -> LexResult<String> with LexResult::from_iter([String::new()])
+clarity/src/vm/analysis/read_only_checker/mod.rs:268: replace ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only -> Option<CheckResult<bool>> with Some(CheckResult::new(false))
+clarity/src/vm/functions/arithmetic.rs:546: replace special_less -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/costs/mod.rs:136: replace <impl CostTracker for ()>::compute_cost -> std::result::Result<ExecutionCost, CostErrors> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/mod.rs:134: replace check_special_get -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v1.rs:192: replace inner_lex -> ParseResult<Vec<(LexItem, u32, u32)>> with ParseResult::new(vec![(Default::default(), 1, 0)])
+clarity/src/vm/functions/conversions.rs:185: replace native_int_to_string_generic -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/traits_resolver/mod.rs:48: replace TraitsResolver::run -> ParseResult<()> with ParseResult::new()
+clarity/src/vm/functions/database.rs:374: replace special_fetch_entry_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_05/natives/sequences.rs:39: replace get_simple_native_or_user_define -> CheckResult<FunctionType> with CheckResult::new(Default::default())
+clarity/src/vm/database/structures.rs:368: replace STXBalanceSnapshot<'db, 'conn>::canonical_balance_repr -> STXBalance with Default::default()
+clarity/src/vm/analysis/read_only_checker/mod.rs:112: replace ReadOnlyChecker<'a, 'b>::check_top_level_expression -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:808: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::new(None)
+clarity/src/vm/analysis/mod.rs:50: replace mem_type_check -> CheckResult<(Option<TypeSignature>, ContractAnalysis)> with CheckResult::from((Some(Default::default()), Default::default()))
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:116: replace ContractContext::add_private_function_type -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/functions/assets.rs:193: replace special_stx_transfer_memo -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/natives/options.rs:281: replace eval_with_new_binding -> TypeResult with Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/natives/sequences.rs:448: replace check_special_replace_at -> TypeResult with Default::default()
+clarity/src/vm/ast/parser/v2/mod.rs:807: replace Parser<'a>::parse_node -> ParseResult<Option<PreSymbolicExpression>> with ParseResult::from(None)
+clarity/src/vm/analysis/analysis_db.rs:153: replace AnalysisDatabase<'a>::get_public_function_type -> CheckResult<Option<FunctionType>> with CheckResult::from(None)
+clarity/src/vm/database/key_value_wrapper.rs:338: replace RollbackWrapper<'a>::set_block_hash -> InterpreterResult<StacksBlockId> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1039: replace TypeChecker<'a, 'b>::type_check_function_type -> TypeResult with Default::default()
+clarity/src/vm/analysis/analysis_db.rs:153: replace AnalysisDatabase<'a>::get_public_function_type -> CheckResult<Option<FunctionType>> with CheckResult::new(None)
+clarity/src/vm/contexts.rs:652: replace OwnedEnvironment<'a, 'hooks>::execute_in_env -> std::result::Result<(A, AssetMap, Vec<StacksTransactionEvent>), E> with Ok((Default::default(), Default::default(), vec![Default::default()]))
+clarity/src/vm/functions/assets.rs:809: replace special_get_owner_v200 -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:210: replace Lexer<'a>::read_identifier -> LexResult<Token> with LexResult::from(Default::default())
+clarity/src/vm/functions/arithmetic.rs:381: replace native_bitwise_not -> InterpreterResult<Value> with InterpreterResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:62: replace TraitContext::add_defined_trait -> CheckResult<()> with CheckResult::new(())
+clarity/src/vm/contexts.rs:490: replace AssetMap::get_nonfungible_tokens -> Option<&Vec<Value>> with Some(&vec![Default::default()])
+clarity/src/vm/ast/mod.rs:87: replace ast_check_size -> ParseResult<ContractAST> with ParseResult::new()
+clarity/src/vm/types/mod.rs:951: replace Value::buff_from_byte -> Value with Default::default()
+clarity/src/vm/types/signatures.rs:498: replace TypeSignature::new_response -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:268: replace ReadOnlyChecker<'a, 'b>::try_check_native_function_is_read_only -> Option<CheckResult<bool>> with Some(CheckResult::from_iter([false]))
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:247: replace FunctionType::check_args_by_allowing_trait_cast_2_05 -> CheckResult<TypeSignature> with CheckResult::from_iter([Default::default()])
+clarity/src/vm/ast/traits_resolver/mod.rs:182: replace TraitsResolver::try_parse_pre_expr -> Option<(DefineFunctions, Vec<&'a PreSymbolicExpression>)> with Some((Default::default(), vec![]))
+clarity/src/vm/functions/assets.rs:894: replace special_get_token_supply -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:687: replace Parser<'a>::read_sugared_principal -> ParseResult<PreSymbolicExpression> with ParseResult::from(Default::default())
+clarity/src/vm/analysis/type_checker/v2_1/mod.rs:1055: replace TypeChecker<'a, 'b>::type_check_define_function -> CheckResult<(ClarityName, FixedFunction)> with CheckResult::from((Default::default(), Default::default()))
+clarity/src/vm/functions/arithmetic.rs:59: replace UTF8Ops::make_value -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/database/clarity_db.rs:209: replace <impl BurnStateDB for &dyn BurnStateDB>::get_sortition_id_from_consensus_hash -> Option<SortitionId> with Some(Default::default())
+clarity/src/vm/functions/assets.rs:98: replace special_stx_balance -> Result<Value> with Ok(Default::default())
+clarity/src/vm/ast/parser/v2/mod.rs:521: replace Parser<'a>::read_principal -> ParseResult<PreSymbolicExpression> with ParseResult::from_iter([Default::default()])
+clarity/src/vm/analysis/type_checker/v2_05/contexts.rs:106: replace ContractContext::add_read_only_function_type -> CheckResult<()> with CheckResult::from(())
+clarity/src/vm/database/clarity_db.rs:1957: replace ClarityDatabase<'a>::get_stacks_epoch -> Option<StacksEpoch> with Some(Default::default())
+clarity/src/vm/functions/conversions.rs:113: replace native_buff_to_uint_be -> Result<Value> with Ok(Default::default())
+clarity/src/vm/analysis/read_only_checker/mod.rs:430: replace ReadOnlyChecker<'a, 'b>::check_expression_application_is_read_only -> CheckResult<bool> with CheckResult::from_iter([false])
+clarity/src/vm/variables.rs:63: replace lookup_reserved_variable -> Result<Option<Value>> with Ok(Some(Default::default()))
+clarity/src/vm/database/clarity_store.rs:235: replace <impl ClarityBackingStore for NullBackingStore>::get_side_store -> &Connection with &Default::default()
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:292: replace ContractContext::add_used_trait -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/types/signatures.rs:1417: replace TypeSignature::parse_buff_type_repr -> Result<TypeSignature> with Ok(Default::default())
+clarity/src/vm/types/serialization.rs:1127: replace Value::try_deserialize_bytes_untyped -> Result<Value, SerializationError> with Ok(Default::default())
+clarity/src/vm/analysis/types.rs:190: replace ContractAnalysis::get_defined_trait -> Option<&BTreeMap<ClarityName, FunctionSignature>> with Some(&BTreeMap::new())
+clarity/src/vm/analysis/type_checker/v2_05/mod.rs:808: replace TypeChecker<'a, 'b>::try_type_check_define -> CheckResult<Option<()>> with CheckResult::from_iter([Some(())])
+clarity/src/vm/ast/mod.rs:69: replace parse_in_epoch -> ParseResult<Vec<PreSymbolicExpression>> with ParseResult::new()
+clarity/src/vm/types/signatures.rs:966: replace TypeSignature::min_string_ascii -> TypeSignature with Default::default()
+clarity/src/vm/analysis/type_checker/v2_05/natives/options.rs:32: replace check_special_okay -> TypeResult with Default::default()
+clarity/src/vm/functions/arithmetic.rs:52: replace ASCIIOps::make_value -> InterpreterResult<Value> with InterpreterResult::new(Default::default())
+clarity/src/vm/functions/arithmetic.rs:377: replace native_bitwise_or -> InterpreterResult<Value> with InterpreterResult::new()
+clarity/src/vm/ast/expression_identifier/mod.rs:23: replace inner_relabel -> ParseResult<u64> with ParseResult::from(1)
+clarity/src/vm/database/clarity_db.rs:937: replace ClarityDatabase<'a>::get_pox_payout_addrs_for_burnchain_height -> Option<(Vec<TupleData>, u128)> with Some((vec![Default::default()], 0))
+clarity/src/vm/analysis/type_checker/v2_1/contexts.rs:269: replace ContractContext::add_nft -> CheckResult<()> with CheckResult::new()
+clarity/src/vm/ast/parser/v2/lexer/mod.rs:575: replace Lexer<'a>::read_utf8_string -> LexResult<Token> with LexResult::from_iter([Default::default()])
diff --git a/mutating-script/script.sh b/mutation-testing/scripts/append.sh
similarity index 100%
rename from mutating-script/script.sh
rename to mutation-testing/scripts/append.sh
diff --git a/mutation-testing/scripts/create-stable.sh b/mutation-testing/scripts/create-stable.sh
new file mode 100644
index 0000000000..8a6a4af0b8
--- /dev/null
+++ b/mutation-testing/scripts/create-stable.sh
@@ -0,0 +1,3 @@
+# for specific packages creates the outpu
+
+# removes everything except .txt files
diff --git a/mutation-testing/scripts/git-diff.sh b/mutation-testing/scripts/git-diff.sh
new file mode 100644
index 0000000000..62086d41d3
--- /dev/null
+++ b/mutation-testing/scripts/git-diff.sh
@@ -0,0 +1,2 @@
+# script that makes .git for the differences
+# it saves the .git on scripts folder
diff --git a/mutating-script/script2.sh b/mutation-testing/scripts/script2.sh
similarity index 100%
rename from mutating-script/script2.sh
rename to mutation-testing/scripts/script2.sh