diff --git a/phpstan.neon b/phpstan.neon
index 2a56ff672a0..2722dd0b00f 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -89,11 +89,30 @@ parameters:
 
         -
             identifier: argument.type
-            message: '#(.*?) class\-string, string given#'
+            message: '#Parameter \#1 \$phpVersion of method Rector\\Config\\RectorConfig\:\:phpVersion\(\) expects 50200\|50300\|50400\|50500\|50600\|70000\|70100\|70200\|70300\|70400\|80000\|80100\|80200\|80300\|80400\|80500\|80600\|100000, 79999 given#'
 
+        # class name string resolved from AST/ObjectType, not statically provable as class-string
         -
             identifier: argument.type
-            message: '#Parameter \#1 \$phpVersion of method Rector\\Config\\RectorConfig\:\:phpVersion\(\) expects 50200\|50300\|50400\|50500\|50600\|70000\|70100\|70200\|70300\|70400\|80000\|80100\|80200\|80300\|80400\|80500\|80600\|100000, 79999 given#'
+            message: '#class\-string, string given#'
+            paths:
+                - rules/TypeDeclaration/PHPStan/ObjectTypeSpecifier.php
+                - rules/TypeDeclaration/Rector/FunctionLike/AddClosureParamTypeFromIterableMethodCallRector.php
+                - src/PhpParser/AstResolver.php
+                - src/StaticTypeMapper/ValueObject/Type/FullyQualifiedObjectType.php
+                - tests/BetterPhpDocParser/PhpDocParser/TagValueNodeReprint/TagValueNodeReprintTest.php
+
+        # getObjectClassNames() returns string[], semantically a class-string
+        -
+            identifier: return.type
+            message: '#should return class-string\|null but returns string#'
+            path: src/StaticTypeMapper/Resolver/ClassNameFromObjectTypeResolver.php
+
+        # deliberately widened token param on parser wrapper
+        -
+            identifier: argument.type
+            message: '#expects list<array\{string, int, int\}>, array<int, mixed> given#'
+            path: src/BetterPhpDocParser/ValueObject/Parser/BetterTokenIterator.php
 
         # node vs stmts mix
         -
@@ -116,11 +135,6 @@ parameters:
             identifier: argument.type
             message: '#Parameter \#3 \$nodeCallback of method PHPStan\\Analyser\\NodeScopeResolver\:\:processNodes\(\) expects callable\(PhpParser\\Node, PHPStan\\Analyser\\Scope\)\: void, callable\(PhpParser\\Node, PHPStan\\Analyser\\MutatingScope\)\: void given#'
 
-        # list vs array
-        -
-            identifier: argument.type
-            message: '#Parameter (.*?) expects list<(.*?)>, array<(.*?)> given#'
-
         -
             identifier: argument.type
             paths:
@@ -254,11 +268,6 @@ parameters:
             identifier: return.type
             message: '#Method (.*?) should return 50200\|50300\|50400\|50500\|50600\|70000\|70100\|70200\|70300\|70400\|80000\|80100\|80200\|80300\|80400\|80500\|80600\|100000 but returns int#'
 
-        # from constant string
-        -
-            identifier: return.type
-            message: '#Method Rector\\.*::filterPolyfillPackages\(\) should return array\<#'
-
         -
             identifier: return.type
             paths:
diff --git a/rules/CodingStyle/Rector/ClassConst/SplitGroupedClassConstantsRector.php b/rules/CodingStyle/Rector/ClassConst/SplitGroupedClassConstantsRector.php
index 621b4278aac..815c3f7c0b6 100644
--- a/rules/CodingStyle/Rector/ClassConst/SplitGroupedClassConstantsRector.php
+++ b/rules/CodingStyle/Rector/ClassConst/SplitGroupedClassConstantsRector.php
@@ -84,7 +84,7 @@ private function createNextClassConsts(array $consts, ClassConst $classConst): a
                 [$const],
                 $classConst->flags,
                 $classConst->getAttributes(),
-                $classConst->attrGroups,
+                array_values($classConst->attrGroups),
                 $classConst->type
             );
         }
diff --git a/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector.php b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector.php
index cd873b6511f..5a6b776b18b 100644
--- a/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector.php
+++ b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector.php
@@ -212,7 +212,7 @@ private function resolveKeyType(ConstantArrayType $constantArrayType): Type
                 return $uniqueKeyTypes[0];
             }
 
-            return new UnionType($uniqueKeyTypes);
+            return new UnionType(array_values($uniqueKeyTypes));
         }
 
         return new MixedType();
diff --git a/src/Application/RectorRegistry.php b/src/Application/RectorRegistry.php
index c251d01d43f..f4f3227ca4d 100644
--- a/src/Application/RectorRegistry.php
+++ b/src/Application/RectorRegistry.php
@@ -110,7 +110,7 @@ private function prepareRectors(): void
             return;
         }
 
-        $activeRectors = $this->phpVersionedFilter->filter($this->rectors);
+        $activeRectors = $this->phpVersionedFilter->filter(array_values($this->rectors));
         $activeRectors = $this->composerPackageConstraintFilter->filter($activeRectors);
 
         $this->activeRectors = $this->configurationRuleFilter->filter($activeRectors);
diff --git a/src/BetterPhpDocParser/PhpDocInfo/PhpDocInfo.php b/src/BetterPhpDocParser/PhpDocInfo/PhpDocInfo.php
index 5313f86c574..a5808b78d7c 100644
--- a/src/BetterPhpDocParser/PhpDocInfo/PhpDocInfo.php
+++ b/src/BetterPhpDocParser/PhpDocInfo/PhpDocInfo.php
@@ -574,7 +574,6 @@ public function getArrayItemNodeClassNames(): array
     }
 
     /**
-     * @param class-string $desiredClass
      * @return DoctrineAnnotationTagValueNode[]
      */
     public function findByAnnotationClass(string $desiredClass): array
diff --git a/src/BetterPhpDocParser/PhpDocNodeFinder/PhpDocNodeByTypeFinder.php b/src/BetterPhpDocParser/PhpDocNodeFinder/PhpDocNodeByTypeFinder.php
index 4a9931f0243..6e5566a7b1d 100644
--- a/src/BetterPhpDocParser/PhpDocNodeFinder/PhpDocNodeByTypeFinder.php
+++ b/src/BetterPhpDocParser/PhpDocNodeFinder/PhpDocNodeByTypeFinder.php
@@ -55,7 +55,6 @@ public function findDoctrineAnnotationsByClasses(PhpDocNode $phpDocNode, array $
     }
 
     /**
-     * @param class-string $desiredClass
      * @return DoctrineAnnotationTagValueNode[]
      */
     public function findDoctrineAnnotationsByClass(PhpDocNode $phpDocNode, string $desiredClass): array
diff --git a/src/Php/PolyfillPackagesProvider.php b/src/Php/PolyfillPackagesProvider.php
index 597901d00a6..0f5cb912626 100644
--- a/src/Php/PolyfillPackagesProvider.php
+++ b/src/Php/PolyfillPackagesProvider.php
@@ -8,17 +8,16 @@
 use Nette\Utils\Json;
 use Rector\Configuration\Option;
 use Rector\Configuration\Parameter\SimpleParameterProvider;
-use Rector\ValueObject\PolyfillPackage;
 
 final class PolyfillPackagesProvider
 {
     /**
-     * @var null|array<int, PolyfillPackage::*>
+     * @var null|array<int, string>
      */
     private null|array $cachedPolyfillPackages = null;
 
     /**
-     * @return array<int, PolyfillPackage::*>
+     * @return array<int, string>
      */
     public function provide(): array
     {
@@ -48,7 +47,7 @@ public function provide(): array
 
     /**
      * @param array<string, string> $require
-     * @return array<int, PolyfillPackage::*>
+     * @return array<int, string>
      */
     private function filterPolyfillPackages(array $require): array
     {
diff --git a/src/StaticTypeMapper/Resolver/ClassNameFromObjectTypeResolver.php b/src/StaticTypeMapper/Resolver/ClassNameFromObjectTypeResolver.php
index 397ae423964..8fc501bd3b3 100644
--- a/src/StaticTypeMapper/Resolver/ClassNameFromObjectTypeResolver.php
+++ b/src/StaticTypeMapper/Resolver/ClassNameFromObjectTypeResolver.php
@@ -8,6 +8,9 @@
 
 final class ClassNameFromObjectTypeResolver
 {
+    /**
+     * @return class-string|null
+     */
     public static function resolve(Type $type): ?string
     {
         $objectClassNames = $type->getObjectClassNames();