diff --git a/packages/dynamite/dynamite/lib/src/models/type_result/base.dart b/packages/dynamite/dynamite/lib/src/models/type_result/base.dart
index eba4205f9aa..215f0a4cdc5 100644
--- a/packages/dynamite/dynamite/lib/src/models/type_result/base.dart
+++ b/packages/dynamite/dynamite/lib/src/models/type_result/base.dart
@@ -14,9 +14,6 @@ class TypeResultBase extends TypeResult {
   @override
   String? get _serializer => null;
 
-  @override
-  String serialize(final String object) => object;
-
   @override
   String encode(
     final String object, {
diff --git a/packages/dynamite/dynamite/lib/src/models/type_result/enum.dart b/packages/dynamite/dynamite/lib/src/models/type_result/enum.dart
index 9a86f29fe90..ee552d68a95 100644
--- a/packages/dynamite/dynamite/lib/src/models/type_result/enum.dart
+++ b/packages/dynamite/dynamite/lib/src/models/type_result/enum.dart
@@ -14,9 +14,6 @@ class TypeResultEnum extends TypeResult {
   @override
   String? get _builderFactory => null;
 
-  @override
-  String? get _serializer => '..add($className.serializer)';
-
   @override
   String encode(
     final String object, {
diff --git a/packages/dynamite/dynamite/lib/src/models/type_result/list.dart b/packages/dynamite/dynamite/lib/src/models/type_result/list.dart
index 69a8e9ed239..52c27e2bf1d 100644
--- a/packages/dynamite/dynamite/lib/src/models/type_result/list.dart
+++ b/packages/dynamite/dynamite/lib/src/models/type_result/list.dart
@@ -7,13 +7,11 @@ class TypeResultList extends TypeResult {
     final TypeResult subType, {
     super.nullable,
     super.isTypeDef,
+    super.builderName = 'ListBuilder',
   }) : super(generics: [subType]);
 
   TypeResult get subType => generics.first;
 
-  @override
-  String? get _builderFactory => '..addBuilderFactory($fullType, ListBuilder<${subType.className}>.new)';
-
   @override
   String? get _serializer => null;
 
diff --git a/packages/dynamite/dynamite/lib/src/models/type_result/map.dart b/packages/dynamite/dynamite/lib/src/models/type_result/map.dart
index 73646080fa0..8cb01a22d3d 100644
--- a/packages/dynamite/dynamite/lib/src/models/type_result/map.dart
+++ b/packages/dynamite/dynamite/lib/src/models/type_result/map.dart
@@ -7,13 +7,11 @@ class TypeResultMap extends TypeResult {
     final TypeResult subType, {
     super.nullable,
     super.isTypeDef,
+    super.builderName = 'MapBuilder',
   }) : super(generics: [TypeResultBase('String'), subType]);
 
   TypeResult get subType => generics[1];
 
-  @override
-  String? get _builderFactory => '..addBuilderFactory($fullType, MapBuilder<String, ${subType.className}>.new)';
-
   @override
   String? get _serializer => null;
 
diff --git a/packages/dynamite/dynamite/lib/src/models/type_result/object.dart b/packages/dynamite/dynamite/lib/src/models/type_result/object.dart
index e3d28c57413..40e5ed66292 100644
--- a/packages/dynamite/dynamite/lib/src/models/type_result/object.dart
+++ b/packages/dynamite/dynamite/lib/src/models/type_result/object.dart
@@ -14,12 +14,6 @@ class TypeResultObject extends TypeResult {
           'Use TypeResultBase instead',
         );
 
-  @override
-  String? get _builderFactory => '..addBuilderFactory($fullType, $name.new)';
-
-  @override
-  String? get _serializer => '..add($className.serializer)';
-
   @override
   String encode(
     final String object, {
diff --git a/packages/dynamite/dynamite/lib/src/models/type_result/type_result.dart b/packages/dynamite/dynamite/lib/src/models/type_result/type_result.dart
index c7f96eeec8b..5d7bd916690 100644
--- a/packages/dynamite/dynamite/lib/src/models/type_result/type_result.dart
+++ b/packages/dynamite/dynamite/lib/src/models/type_result/type_result.dart
@@ -1,4 +1,3 @@
-import 'package:intersperse/intersperse.dart';
 import 'package:meta/meta.dart';
 
 part 'base.dart';
@@ -14,20 +13,24 @@ sealed class TypeResult {
     this.generics = const [],
     this.nullable = false,
     this.isTypeDef = false,
-  })  : assert(!className.contains('<'), 'Specify generics in the generics parameter.'),
+    final String? builderName,
+  })  : builderName = builderName ?? className,
+        assert(!className.contains('<'), 'Specify generics in the generics parameter.'),
         assert(!className.contains('?'), 'Nullability should not be specified in the type.');
 
   final String className;
+  final String builderName;
   final List<TypeResult> generics;
   final bool nullable;
 
   /// Whether this type should be represented as a typedef.
   final bool isTypeDef;
 
+  @nonVirtual
   String get name {
     if (generics.isNotEmpty) {
       final buffer = StringBuffer('$className<')
-        ..writeAll(generics.map((final c) => c.name).intersperse(', '))
+        ..writeAll(generics.map((final c) => c.name), ', ')
         ..write('>');
       return buffer.toString();
     }
@@ -35,10 +38,23 @@ sealed class TypeResult {
     return className;
   }
 
+  @nonVirtual
+  String get builder {
+    if (generics.isNotEmpty) {
+      final buffer = StringBuffer('$builderName<')
+        ..writeAll(generics.map((final c) => c.name), ', ')
+        ..write('>');
+      return buffer.toString();
+    }
+
+    return builderName;
+  }
+
+  @nonVirtual
   String get fullType {
     if (generics.isNotEmpty) {
       final buffer = StringBuffer('FullType($className, [')
-        ..writeAll(generics.map((final c) => c.fullType).intersperse(', '))
+        ..writeAll(generics.map((final c) => c.fullType), ', ')
         ..write('])');
 
       return buffer.toString();
@@ -64,9 +80,9 @@ sealed class TypeResult {
     }
   }
 
-  String? get _serializer;
+  String? get _serializer => '..add($className.serializer)';
 
-  String? get _builderFactory;
+  String? get _builderFactory => '..addBuilderFactory($fullType, $builder.new)';
 
   /// Serializes the variable named [object].
   ///
diff --git a/packages/dynamite/dynamite/test/type_result_test.dart b/packages/dynamite/dynamite/test/type_result_test.dart
index e8147142182..539616d905d 100644
--- a/packages/dynamite/dynamite/test/type_result_test.dart
+++ b/packages/dynamite/dynamite/test/type_result_test.dart
@@ -9,6 +9,42 @@ void main() {
 
       expect(type.name, 'BuiltList<String>');
       expect(type.fullType, 'FullType(BuiltList, [FullType(String)])');
+      expect(
+        type.serializers.toList(),
+        const ['..addBuilderFactory(FullType(BuiltList, [FullType(String)]), ListBuilder<String>.new)'],
+      );
+      expect(
+        type.serialize('value'),
+        '_jsonSerializers.serialize(value, specifiedType: const FullType(BuiltList, [FullType(String)]))',
+      );
+      expect(
+        type.deserialize('value'),
+        '(_jsonSerializers.deserialize(value, specifiedType: const FullType(BuiltList, [FullType(String)]))! as BuiltList<String>)',
+      );
+    });
+
+    test('Nested list', () {
+      final subType = TypeResultBase('String');
+      var type = TypeResultList('BuiltList', subType);
+      type = TypeResultList('BuiltList', type);
+
+      expect(type.name, 'BuiltList<BuiltList<String>>');
+      expect(type.fullType, 'FullType(BuiltList, [FullType(BuiltList, [FullType(String)])])');
+      expect(
+        type.serializers.toList(),
+        const [
+          '..addBuilderFactory(FullType(BuiltList, [FullType(String)]), ListBuilder<String>.new)',
+          '..addBuilderFactory(FullType(BuiltList, [FullType(BuiltList, [FullType(String)])]), ListBuilder<BuiltList<String>>.new)',
+        ],
+      );
+      expect(
+        type.serialize('value'),
+        '_jsonSerializers.serialize(value, specifiedType: const FullType(BuiltList, [FullType(BuiltList, [FullType(String)])]))',
+      );
+      expect(
+        type.deserialize('value'),
+        '(_jsonSerializers.deserialize(value, specifiedType: const FullType(BuiltList, [FullType(BuiltList, [FullType(String)])]))! as BuiltList<BuiltList<String>>)',
+      );
     });
   });
 
@@ -19,6 +55,47 @@ void main() {
 
       expect(type.name, 'BuiltMap<String, int>');
       expect(type.fullType, 'FullType(BuiltMap, [FullType(String), FullType(int)])');
+      expect(
+        type.serializers.toList(),
+        const [
+          '..addBuilderFactory(FullType(BuiltMap, [FullType(String), FullType(int)]), MapBuilder<String, int>.new)',
+        ],
+      );
+      expect(
+        type.serialize('value'),
+        '_jsonSerializers.serialize(value, specifiedType: const FullType(BuiltMap, [FullType(String), FullType(int)]))',
+      );
+      expect(
+        type.deserialize('value'),
+        '(_jsonSerializers.deserialize(value, specifiedType: const FullType(BuiltMap, [FullType(String), FullType(int)]))! as BuiltMap<String, int>)',
+      );
+    });
+
+    test('Nested map', () {
+      final subType = TypeResultBase('int');
+      var type = TypeResultMap('BuiltMap', subType);
+      type = TypeResultMap('BuiltMap', type);
+
+      expect(type.name, 'BuiltMap<String, BuiltMap<String, int>>');
+      expect(
+        type.fullType,
+        'FullType(BuiltMap, [FullType(String), FullType(BuiltMap, [FullType(String), FullType(int)])])',
+      );
+      expect(
+        type.serializers.toList(),
+        const [
+          '..addBuilderFactory(FullType(BuiltMap, [FullType(String), FullType(int)]), MapBuilder<String, int>.new)',
+          '..addBuilderFactory(FullType(BuiltMap, [FullType(String), FullType(BuiltMap, [FullType(String), FullType(int)])]), MapBuilder<String, BuiltMap<String, int>>.new)',
+        ],
+      );
+      expect(
+        type.serialize('value'),
+        '_jsonSerializers.serialize(value, specifiedType: const FullType(BuiltMap, [FullType(String), FullType(BuiltMap, [FullType(String), FullType(int)])]))',
+      );
+      expect(
+        type.deserialize('value'),
+        '(_jsonSerializers.deserialize(value, specifiedType: const FullType(BuiltMap, [FullType(String), FullType(BuiltMap, [FullType(String), FullType(int)])]))! as BuiltMap<String, BuiltMap<String, int>>)',
+      );
     });
   });
 
@@ -29,6 +106,21 @@ void main() {
 
       expect(type.name, 'CustomType<String>');
       expect(type.fullType, 'FullType(CustomType, [FullType(String)])');
+      expect(
+        type.serializers.toList(),
+        const [
+          '..addBuilderFactory(FullType(CustomType, [FullType(String)]), CustomType<String>.new)',
+          '..add(CustomType.serializer)',
+        ],
+      );
+      expect(
+        type.serialize('value'),
+        '_jsonSerializers.serialize(value, specifiedType: const FullType(CustomType, [FullType(String)]))',
+      );
+      expect(
+        type.deserialize('value'),
+        '(_jsonSerializers.deserialize(value, specifiedType: const FullType(CustomType, [FullType(String)]))! as CustomType<String>)',
+      );
     });
   });
 
@@ -38,6 +130,15 @@ void main() {
 
       expect(type.name, 'String');
       expect(type.fullType, 'FullType(String)');
+      expect(type.serializers.toList(), const <String>[]);
+      expect(
+        type.serialize('value'),
+        '_jsonSerializers.serialize(value, specifiedType: const FullType(String))',
+      );
+      expect(
+        type.deserialize('value'),
+        '(_jsonSerializers.deserialize(value, specifiedType: const FullType(String))! as String)',
+      );
     });
   });
 }
diff --git a/packages/nextcloud/lib/src/api/dashboard.openapi.dart b/packages/nextcloud/lib/src/api/dashboard.openapi.dart
index f0abf0302a2..cfda1e1cd3f 100644
--- a/packages/nextcloud/lib/src/api/dashboard.openapi.dart
+++ b/packages/nextcloud/lib/src/api/dashboard.openapi.dart
@@ -738,7 +738,7 @@ final Serializers _serializers = (Serializers().toBuilder()
           FullType(String),
           FullType(BuiltList, [FullType(WidgetItem)]),
         ]),
-        MapBuilder<String, BuiltList>.new,
+        MapBuilder<String, BuiltList<WidgetItem>>.new,
       )
       ..addBuilderFactory(
         const FullType(DashboardApiGetWidgetItemsV2ResponseApplicationJson),
diff --git a/packages/nextcloud/lib/src/api/files_sharing.openapi.dart b/packages/nextcloud/lib/src/api/files_sharing.openapi.dart
index aaa3a8a92ec..f611df23fad 100644
--- a/packages/nextcloud/lib/src/api/files_sharing.openapi.dart
+++ b/packages/nextcloud/lib/src/api/files_sharing.openapi.dart
@@ -5186,7 +5186,7 @@ final Serializers _serializers = (Serializers().toBuilder()
         const FullType(BuiltList, [
           FullType(BuiltMap, [FullType(String), FullType(JsonObject)]),
         ]),
-        ListBuilder<BuiltMap>.new,
+        ListBuilder<BuiltMap<String, JsonObject>>.new,
       )
       ..addBuilderFactory(
         const FullType(ShareapiGetSharesResponseApplicationJson),
diff --git a/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart b/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart
index ba7130018f2..7582bcc6363 100644
--- a/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart
+++ b/packages/nextcloud/lib/src/api/provisioning_api.openapi.dart
@@ -9148,7 +9148,7 @@ final Serializers _serializers = (Serializers().toBuilder()
           FullType(String),
           FullType(BuiltList, [FullType(String)]),
         ]),
-        MapBuilder<String, BuiltList>.new,
+        MapBuilder<String, BuiltList<String>>.new,
       )
       ..addBuilderFactory(
         const FullType(ContentString, [
diff --git a/packages/nextcloud/lib/src/api/spreed.openapi.dart b/packages/nextcloud/lib/src/api/spreed.openapi.dart
index 2ec15a3faa0..512bcb77512 100644
--- a/packages/nextcloud/lib/src/api/spreed.openapi.dart
+++ b/packages/nextcloud/lib/src/api/spreed.openapi.dart
@@ -23659,7 +23659,7 @@ final Serializers _serializers = (Serializers().toBuilder()
           FullType(String),
           FullType(BuiltMap, [FullType(String), FullType(JsonObject)]),
         ]),
-        MapBuilder<String, BuiltMap>.new,
+        MapBuilder<String, BuiltMap<String, JsonObject>>.new,
       )
       ..addBuilderFactory(const FullType(BuiltMap, [FullType(String), FullType(int)]), MapBuilder<String, int>.new)
       ..addBuilderFactory(const FullType(BuiltList, [FullType(JsonObject)]), ListBuilder<JsonObject>.new)
@@ -24136,7 +24136,7 @@ final Serializers _serializers = (Serializers().toBuilder()
           FullType(String),
           FullType(BuiltList, [FullType(ChatMessage)]),
         ]),
-        MapBuilder<String, BuiltList>.new,
+        MapBuilder<String, BuiltList<ChatMessage>>.new,
       )
       ..add(FederationAcceptShareApiVersion.serializer)
       ..addBuilderFactory(
@@ -24258,7 +24258,7 @@ final Serializers _serializers = (Serializers().toBuilder()
         const FullType(BuiltList, [
           FullType(BuiltMap, [FullType(String), FullType(JsonObject)]),
         ]),
-        ListBuilder<BuiltMap>.new,
+        ListBuilder<BuiltMap<String, JsonObject>>.new,
       )
       ..addBuilderFactory(const FullType(MatterbridgeProcessState), MatterbridgeProcessState.new)
       ..add(MatterbridgeProcessState.serializer)
@@ -24411,7 +24411,7 @@ final Serializers _serializers = (Serializers().toBuilder()
           FullType(String),
           FullType(BuiltList, [FullType(Reaction)]),
         ]),
-        MapBuilder<String, BuiltList>.new,
+        MapBuilder<String, BuiltList<Reaction>>.new,
       )
       ..add(ReactionReactApiVersion.serializer)
       ..addBuilderFactory(