Remove all "nullable-by-default-value" setters

Author: nicolas-grekas

CHANGELOG.md

@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+6.2
+---
+
+ * Deprecate calling `PropertyAccessorBuilder::setCacheItemPool()` without arguments
+
 6.0
 ---
 

PropertyAccessorBuilder.php

@@ -241,6 +241,9 @@ public function isExceptionOnInvalidPropertyPath(): bool
      */
     public function setCacheItemPool(CacheItemPoolInterface $cacheItemPool = null): static
     {
+        if (1 > \func_num_args()) {
+            trigger_deprecation('symfony/property-access', '6.2', 'Calling "%s()" without any arguments is deprecated, pass null explicitly instead.', __METHOD__);
+        }
         $this->cacheItemPool = $cacheItemPool;
 
         return $this;

Tests/Fixtures/TestClass.php

@@ -49,7 +49,7 @@ public function setPublicAccessor($value)
         $this->publicAccessor = $value;
     }
 
-    public function setPublicAccessorWithDefaultValue($value = null)
+    public function setPublicAccessorWithDefaultValue($value)
     {
         $this->publicAccessorWithDefaultValue = $value;
     }