diff --git a/ecs.php b/ecs.php
index 0843e496663..0497edc8d5b 100644
--- a/ecs.php
+++ b/ecs.php
@@ -2,6 +2,7 @@
 
 declare(strict_types=1);
 
+use PhpCsFixer\Fixer\Casing\LowercaseKeywordsFixer;
 use PhpCsFixer\Fixer\Phpdoc\GeneralPhpdocAnnotationRemoveFixer;
 use PhpCsFixer\Fixer\Phpdoc\PhpdocTypesFixer;
 use Symplify\EasyCodingStandard\Config\ECSConfig;
@@ -34,5 +35,7 @@
             // bug remove @author annotation
             __DIR__ . '/src/Util/ArrayParametersMerger.php',
         ],
+
+        LowercaseKeywordsFixer::class => [__DIR__ . '/src/ValueObject/Visibility.php'],
     ])
     ->withRootFiles();
diff --git a/rules/CodeQuality/Rector/Class_/RemoveReadonlyPropertyVisibilityOnReadonlyClassRector.php b/rules/CodeQuality/Rector/Class_/RemoveReadonlyPropertyVisibilityOnReadonlyClassRector.php
index c55659eb984..e1bf1ed8e6a 100644
--- a/rules/CodeQuality/Rector/Class_/RemoveReadonlyPropertyVisibilityOnReadonlyClassRector.php
+++ b/rules/CodeQuality/Rector/Class_/RemoveReadonlyPropertyVisibilityOnReadonlyClassRector.php
@@ -5,8 +5,8 @@
 namespace Rector\CodeQuality\Rector\Class_;
 
 use PhpParser\Node;
-use PhpParser\Node\Stmt\ClassMethod;
 use PhpParser\Node\Stmt\Class_;
+use PhpParser\Node\Stmt\ClassMethod;
 use Rector\Php81\NodeManipulator\AttributeGroupNewLiner;
 use Rector\Privatization\NodeManipulator\VisibilityManipulator;
 use Rector\Rector\AbstractRector;
diff --git a/rules/DeadCode/PhpDoc/DeadParamTagValueNodeAnalyzer.php b/rules/DeadCode/PhpDoc/DeadParamTagValueNodeAnalyzer.php
index 12380af8887..187cb79ed7f 100644
--- a/rules/DeadCode/PhpDoc/DeadParamTagValueNodeAnalyzer.php
+++ b/rules/DeadCode/PhpDoc/DeadParamTagValueNodeAnalyzer.php
@@ -9,6 +9,7 @@
 use PhpParser\Node\Name;
 use PhpParser\Node\Param;
 use PHPStan\PhpDocParser\Ast\PhpDoc\ParamTagValueNode;
+use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
 use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
 use Rector\BetterPhpDocParser\PhpDocManipulator\PhpDocTypeChanger;
 use Rector\BetterPhpDocParser\ValueObject\Type\BracketsAwareUnionTypeNode;
@@ -51,6 +52,10 @@ public function isDead(ParamTagValueNode $paramTagValueNode, FunctionLike $funct
             return false;
         }
 
+        if ($paramTagValueNode->type instanceof GenericTypeNode) {
+            return false;
+        }
+
         $docType = $this->staticTypeMapper->mapPHPStanPhpDocTypeNodeToPHPStanType(
             $paramTagValueNode->type,
             $functionLike
diff --git a/rules/DeadCode/PhpDoc/DeadReturnTagValueNodeAnalyzer.php b/rules/DeadCode/PhpDoc/DeadReturnTagValueNodeAnalyzer.php
index 89808203aaf..e55e247c9e1 100644
--- a/rules/DeadCode/PhpDoc/DeadReturnTagValueNodeAnalyzer.php
+++ b/rules/DeadCode/PhpDoc/DeadReturnTagValueNodeAnalyzer.php
@@ -10,6 +10,7 @@
 use PhpParser\Node\Stmt\Function_;
 use PHPStan\Analyser\Scope;
 use PHPStan\PhpDocParser\Ast\PhpDoc\ReturnTagValueNode;
+use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
 use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
 use PHPStan\PhpDocParser\Ast\Type\ThisTypeNode;
 use PHPStan\Type\TypeCombinator;
@@ -49,6 +50,10 @@ public function isDead(ReturnTagValueNode $returnTagValueNode, ClassMethod|Funct
             return false;
         }
 
+        if ($returnTagValueNode->type instanceof GenericTypeNode) {
+            return false;
+        }
+
         $docType = $this->staticTypeMapper->mapPHPStanPhpDocTypeNodeToPHPStanType(
             $returnTagValueNode->type,
             $functionLike
diff --git a/rules/DeadCode/PhpDoc/DeadVarTagValueNodeAnalyzer.php b/rules/DeadCode/PhpDoc/DeadVarTagValueNodeAnalyzer.php
index 5a0c2120a7f..9d0b078cee3 100644
--- a/rules/DeadCode/PhpDoc/DeadVarTagValueNodeAnalyzer.php
+++ b/rules/DeadCode/PhpDoc/DeadVarTagValueNodeAnalyzer.php
@@ -8,6 +8,7 @@
 use PhpParser\Node\Stmt\ClassConst;
 use PhpParser\Node\Stmt\Property;
 use PHPStan\PhpDocParser\Ast\PhpDoc\VarTagValueNode;
+use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
 use PHPStan\Type\IntersectionType;
 use PHPStan\Type\ObjectType;
 use PHPStan\Type\TypeCombinator;
@@ -35,6 +36,10 @@ public function isDead(VarTagValueNode $varTagValueNode, Property|ClassConst $pr
             return false;
         }
 
+        if ($varTagValueNode->type instanceof GenericTypeNode) {
+            return false;
+        }
+
         // is strict type superior to doc type? keep strict type only
         $propertyType = $this->staticTypeMapper->mapPhpParserNodePHPStanType($property->type);
         $docType = $this->staticTypeMapper->mapPHPStanPhpDocTypeNodeToPHPStanType($varTagValueNode->type, $property);
diff --git a/rules/TypeDeclaration/Rector/FuncCall/AddArrayFunctionClosureParamTypeRector.php b/rules/TypeDeclaration/Rector/FuncCall/AddArrayFunctionClosureParamTypeRector.php
index 14bc2b3b8c7..f9eb8e497de 100644
--- a/rules/TypeDeclaration/Rector/FuncCall/AddArrayFunctionClosureParamTypeRector.php
+++ b/rules/TypeDeclaration/Rector/FuncCall/AddArrayFunctionClosureParamTypeRector.php
@@ -106,6 +106,7 @@ public function refactor(Node $node): ?Node
             if (! $singlePassedExprType instanceof Type) {
                 continue;
             }
+
             if ($singlePassedExprType instanceof MixedType) {
                 continue;
             }