diff --git a/packages/PHPStanStaticTypeMapper/src/PHPStanStaticTypeMapper.php b/packages/PHPStanStaticTypeMapper/src/PHPStanStaticTypeMapper.php
index d8ca4c7e8ed7..83fc115ec8d4 100644
--- a/packages/PHPStanStaticTypeMapper/src/PHPStanStaticTypeMapper.php
+++ b/packages/PHPStanStaticTypeMapper/src/PHPStanStaticTypeMapper.php
@@ -37,7 +37,6 @@
 use PHPStan\Type\VoidType;
 use Rector\AttributeAwarePhpDoc\Ast\Type\AttributeAwareUnionTypeNode;
 use Rector\Exception\NotImplementedException;
-use Rector\Exception\ShouldNotHappenException;
 use Rector\NodeTypeResolver\ClassExistenceStaticHelper;
 use Rector\Php\PhpVersionProvider;
 use Rector\PHPStan\Type\AliasedObjectType;
@@ -47,7 +46,6 @@
 use Rector\PHPStanStaticTypeMapper\Contract\PHPStanStaticTypeMapperAwareInterface;
 use Rector\PHPStanStaticTypeMapper\Contract\TypeMapperInterface;
 use Rector\ValueObject\PhpVersionFeature;
-use Traversable;
 
 final class PHPStanStaticTypeMapper
 {
@@ -103,19 +101,6 @@ public function mapToPHPStanPhpDocTypeNode(Type $type): TypeNode
      */
     public function mapToPhpParserNode(Type $phpStanType, ?string $kind = null): ?Node
     {
-        if ($phpStanType instanceof VoidType) {
-            if ($this->phpVersionProvider->isAtLeast(PhpVersionFeature::VOID_TYPE)) {
-                if (in_array($kind, ['param', 'property'], true)) {
-                    // param cannot be void
-                    return null;
-                }
-
-                return new Identifier('void');
-            }
-
-            return null;
-        }
-
         if ($phpStanType instanceof SelfObjectType) {
             return new Identifier('self');
         }
@@ -126,7 +111,7 @@ public function mapToPhpParserNode(Type $phpStanType, ?string $kind = null): ?No
                 continue;
             }
 
-            return $typeMapper->mapToPhpParserNode($phpStanType);
+            return $typeMapper->mapToPhpParserNode($phpStanType, $kind);
         }
 
         if ($phpStanType instanceof ArrayType) {
@@ -137,14 +122,6 @@ public function mapToPhpParserNode(Type $phpStanType, ?string $kind = null): ?No
             return null;
         }
 
-        if ($phpStanType instanceof CallableType || $phpStanType instanceof ClosureType) {
-            if ($kind === 'property') {
-                return null;
-            }
-
-            return new Identifier('callable');
-        }
-
         if ($phpStanType instanceof TypeWithClassName) {
             $lowerCasedClassName = strtolower($phpStanType->getClassName());
             if ($lowerCasedClassName === 'callable') {
@@ -166,50 +143,6 @@ public function mapToPhpParserNode(Type $phpStanType, ?string $kind = null): ?No
             return new FullyQualified($phpStanType->getClassName());
         }
 
-        if ($phpStanType instanceof UnionType) {
-            // match array types
-            $arrayNode = $this->matchArrayTypes($phpStanType);
-            if ($arrayNode !== null) {
-                return $arrayNode;
-            }
-
-            // special case for nullable
-            $nullabledType = $this->matchTypeForNullableUnionType($phpStanType);
-            if ($nullabledType === null) {
-                // use first unioned type in case of unioned object types
-                return $this->matchTypeForUnionedObjectTypes($phpStanType);
-            }
-
-            $nullabledTypeNode = $this->mapToPhpParserNode($nullabledType);
-            if ($nullabledTypeNode === null) {
-                return null;
-            }
-
-            if ($nullabledTypeNode instanceof NullableType) {
-                return $nullabledTypeNode;
-            }
-
-            if ($nullabledTypeNode instanceof PhpParserUnionType) {
-                throw new ShouldNotHappenException();
-            }
-
-            return new NullableType($nullabledTypeNode);
-        }
-
-        if ($phpStanType instanceof VoidType ||
-            $phpStanType instanceof ResourceType
-        ) {
-            return null;
-        }
-
-        if ($phpStanType instanceof ObjectWithoutClassType) {
-            if ($this->phpVersionProvider->isAtLeast(PhpVersionFeature::OBJECT_TYPE)) {
-                return new Identifier('object');
-            }
-
-            return null;
-        }
-
         throw new NotImplementedException(__METHOD__ . ' for ' . get_class($phpStanType));
     }
 
@@ -340,123 +273,4 @@ private function convertUnionArrayTypeNodesToArrayTypeOfUnionTypeNodes(
 
         return new AttributeAwareUnionTypeNode($unionedArrayType);
     }
-
-    private function matchTypeForNullableUnionType(UnionType $unionType): ?Type
-    {
-        if (count($unionType->getTypes()) !== 2) {
-            return null;
-        }
-
-        $firstType = $unionType->getTypes()[0];
-        $secondType = $unionType->getTypes()[1];
-
-        if ($firstType instanceof NullType) {
-            return $secondType;
-        }
-
-        if ($secondType instanceof NullType) {
-            return $firstType;
-        }
-
-        return null;
-    }
-
-    /**
-     * @return Name|FullyQualified|PhpParserUnionType|null
-     */
-    private function matchTypeForUnionedObjectTypes(UnionType $unionType): ?Node
-    {
-        $phpParserUnionType = $this->matchPhpParserUnionType($unionType);
-        if ($phpParserUnionType !== null) {
-            return $phpParserUnionType;
-        }
-
-        // do the type should be compatible with all other types, e.g. A extends B, B
-        foreach ($unionType->getTypes() as $unionedType) {
-            if (! $unionedType instanceof TypeWithClassName) {
-                return null;
-            }
-
-            foreach ($unionType->getTypes() as $nestedUnionedType) {
-                if (! $nestedUnionedType instanceof TypeWithClassName) {
-                    return null;
-                }
-
-                if (! $this->areTypeWithClassNamesRelated($unionedType, $nestedUnionedType)) {
-                    continue 2;
-                }
-            }
-
-            return new FullyQualified($unionedType->getClassName());
-        }
-
-        return null;
-    }
-
-    private function areTypeWithClassNamesRelated(TypeWithClassName $firstType, TypeWithClassName $secondType): bool
-    {
-        if (is_a($firstType->getClassName(), $secondType->getClassName(), true)) {
-            return true;
-        }
-
-        return is_a($secondType->getClassName(), $firstType->getClassName(), true);
-    }
-
-    private function matchArrayTypes(UnionType $unionType): ?Identifier
-    {
-        $isNullableType = false;
-        $hasIterable = false;
-
-        foreach ($unionType->getTypes() as $unionedType) {
-            if ($unionedType instanceof IterableType) {
-                $hasIterable = true;
-                continue;
-            }
-
-            if ($unionedType instanceof ArrayType) {
-                continue;
-            }
-
-            if ($unionedType instanceof NullType) {
-                $isNullableType = true;
-                continue;
-            }
-
-            if ($unionedType instanceof ObjectType) {
-                if ($unionedType->getClassName() === Traversable::class) {
-                    $hasIterable = true;
-                    continue;
-                }
-            }
-
-            return null;
-        }
-
-        $type = $hasIterable ? 'iterable' : 'array';
-        if ($isNullableType) {
-            return new Identifier('?' . $type);
-        }
-
-        return new Identifier($type);
-    }
-
-    private function matchPhpParserUnionType(UnionType $unionType): ?PhpParserUnionType
-    {
-        if (! $this->phpVersionProvider->isAtLeast(PhpVersionFeature::UNION_TYPES)) {
-            return null;
-        }
-
-        $phpParserUnionedTypes = [];
-        foreach ($unionType->getTypes() as $unionedType) {
-            /** @var Identifier|Name|null $phpParserNode */
-            $phpParserNode = $this->mapToPhpParserNode($unionedType);
-            if ($phpParserNode === null) {
-                return null;
-            }
-
-            $phpParserUnionedTypes[] = $phpParserNode;
-        }
-
-        return new PhpParserUnionType($phpParserUnionedTypes);
-    }
 }
diff --git a/packages/PHPStanStaticTypeMapper/src/TypeMapper/CallableTypeMapper.php b/packages/PHPStanStaticTypeMapper/src/TypeMapper/CallableTypeMapper.php
new file mode 100644
index 000000000000..7f64a40d1829
--- /dev/null
+++ b/packages/PHPStanStaticTypeMapper/src/TypeMapper/CallableTypeMapper.php
@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\PHPStanStaticTypeMapper\TypeMapper;
+
+use PhpParser\Node;
+use PhpParser\Node\Identifier;
+use PHPStan\PhpDocParser\Ast\Type\TypeNode;
+use PHPStan\Type\CallableType;
+use PHPStan\Type\Type;
+use Rector\Exception\NotImplementedException;
+use Rector\PHPStanStaticTypeMapper\Contract\TypeMapperInterface;
+
+final class CallableTypeMapper implements TypeMapperInterface
+{
+    public function getNodeClass(): string
+    {
+        return CallableType::class;
+    }
+
+    /**
+     * @param CallableType $type
+     */
+    public function mapToPHPStanPhpDocTypeNode(Type $type): TypeNode
+    {
+        throw new NotImplementedException();
+    }
+
+    /**
+     * @param CallableType $type
+     */
+    public function mapToPhpParserNode(Type $type, ?string $kind = null): ?Node
+    {
+        if ($kind === 'property') {
+            return null;
+        }
+
+        return new Identifier('callable');
+    }
+}
diff --git a/packages/PHPStanStaticTypeMapper/src/TypeMapper/ClosureTypeMapper.php b/packages/PHPStanStaticTypeMapper/src/TypeMapper/ClosureTypeMapper.php
new file mode 100644
index 000000000000..ecc01e23b39b
--- /dev/null
+++ b/packages/PHPStanStaticTypeMapper/src/TypeMapper/ClosureTypeMapper.php
@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\PHPStanStaticTypeMapper\TypeMapper;
+
+use PhpParser\Node;
+use PhpParser\Node\Identifier;
+use PHPStan\PhpDocParser\Ast\Type\TypeNode;
+use PHPStan\Type\ClosureType;
+use PHPStan\Type\Type;
+use Rector\Exception\NotImplementedException;
+use Rector\PHPStanStaticTypeMapper\Contract\TypeMapperInterface;
+
+final class ClosureTypeMapper implements TypeMapperInterface
+{
+    public function getNodeClass(): string
+    {
+        return ClosureType::class;
+    }
+
+    /**
+     * @param ClosureType $type
+     */
+    public function mapToPHPStanPhpDocTypeNode(Type $type): TypeNode
+    {
+        throw new NotImplementedException();
+    }
+
+    /**
+     * @param ClosureType $type
+     */
+    public function mapToPhpParserNode(Type $type, ?string $kind = null): ?Node
+    {
+        if ($kind === 'property') {
+            return null;
+        }
+
+        return new Identifier('callable');
+    }
+}
diff --git a/packages/PHPStanStaticTypeMapper/src/TypeMapper/ObjectWithoutClassTypeMapper.php b/packages/PHPStanStaticTypeMapper/src/TypeMapper/ObjectWithoutClassTypeMapper.php
new file mode 100644
index 000000000000..0f980d0d93e6
--- /dev/null
+++ b/packages/PHPStanStaticTypeMapper/src/TypeMapper/ObjectWithoutClassTypeMapper.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\PHPStanStaticTypeMapper\TypeMapper;
+
+use PhpParser\Node;
+use PhpParser\Node\Identifier;
+use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
+use PHPStan\PhpDocParser\Ast\Type\TypeNode;
+use PHPStan\Type\ObjectWithoutClassType;
+use PHPStan\Type\Type;
+use Rector\Php\PhpVersionProvider;
+use Rector\PHPStanStaticTypeMapper\Contract\TypeMapperInterface;
+use Rector\ValueObject\PhpVersionFeature;
+
+final class ObjectWithoutClassTypeMapper implements TypeMapperInterface
+{
+    /**
+     * @var PhpVersionProvider
+     */
+    private $phpVersionProvider;
+
+    public function __construct(PhpVersionProvider $phpVersionProvider)
+    {
+        $this->phpVersionProvider = $phpVersionProvider;
+    }
+
+    public function getNodeClass(): string
+    {
+        return ObjectWithoutClassType::class;
+    }
+
+    /**
+     * @param ObjectWithoutClassType $type
+     */
+    public function mapToPHPStanPhpDocTypeNode(Type $type): TypeNode
+    {
+        return new IdentifierTypeNode('object');
+    }
+
+    /**
+     * @param ObjectWithoutClassType $type
+     */
+    public function mapToPhpParserNode(Type $type, ?string $kind = null): ?Node
+    {
+        if (! $this->phpVersionProvider->isAtLeast(PhpVersionFeature::OBJECT_TYPE)) {
+            return null;
+        }
+
+        return new Identifier('object');
+    }
+}
diff --git a/packages/PHPStanStaticTypeMapper/src/TypeMapper/ResourceTypeMapper.php b/packages/PHPStanStaticTypeMapper/src/TypeMapper/ResourceTypeMapper.php
new file mode 100644
index 000000000000..67c46764c4c7
--- /dev/null
+++ b/packages/PHPStanStaticTypeMapper/src/TypeMapper/ResourceTypeMapper.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\PHPStanStaticTypeMapper\TypeMapper;
+
+use PhpParser\Node;
+use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
+use PHPStan\PhpDocParser\Ast\Type\TypeNode;
+use PHPStan\Type\ResourceType;
+use PHPStan\Type\Type;
+use Rector\PHPStanStaticTypeMapper\Contract\TypeMapperInterface;
+
+final class ResourceTypeMapper implements TypeMapperInterface
+{
+    public function getNodeClass(): string
+    {
+        return ResourceType::class;
+    }
+
+    /**
+     * @param ResourceType $type
+     */
+    public function mapToPHPStanPhpDocTypeNode(Type $type): TypeNode
+    {
+        return new IdentifierTypeNode('resource');
+    }
+
+    /**
+     * @param ResourceType $type
+     */
+    public function mapToPhpParserNode(Type $type, ?string $kind = null): ?Node
+    {
+        return null;
+    }
+}
diff --git a/packages/PHPStanStaticTypeMapper/src/TypeMapper/VoidTypeMapper.php b/packages/PHPStanStaticTypeMapper/src/TypeMapper/VoidTypeMapper.php
new file mode 100644
index 000000000000..d6b35fa1436f
--- /dev/null
+++ b/packages/PHPStanStaticTypeMapper/src/TypeMapper/VoidTypeMapper.php
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\PHPStanStaticTypeMapper\TypeMapper;
+
+use PhpParser\Node;
+use PhpParser\Node\Identifier;
+use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
+use PHPStan\PhpDocParser\Ast\Type\TypeNode;
+use PHPStan\Type\Type;
+use PHPStan\Type\VoidType;
+use Rector\Php\PhpVersionProvider;
+use Rector\PHPStanStaticTypeMapper\Contract\TypeMapperInterface;
+use Rector\ValueObject\PhpVersionFeature;
+
+final class VoidTypeMapper implements TypeMapperInterface
+{
+    /**
+     * @var PhpVersionProvider
+     */
+    private $phpVersionProvider;
+
+    public function __construct(PhpVersionProvider $phpVersionProvider)
+    {
+        $this->phpVersionProvider = $phpVersionProvider;
+    }
+
+    public function getNodeClass(): string
+    {
+        return VoidType::class;
+    }
+
+    /**
+     * @param VoidType $type
+     */
+    public function mapToPHPStanPhpDocTypeNode(Type $type): TypeNode
+    {
+        return new IdentifierTypeNode('void');
+    }
+
+    /**
+     * @param VoidType $type
+     */
+    public function mapToPhpParserNode(Type $type, ?string $kind = null): ?Node
+    {
+        if (! $this->phpVersionProvider->isAtLeast(PhpVersionFeature::VOID_TYPE)) {
+            return null;
+        }
+
+        if (in_array($kind, ['param', 'property'], true)) {
+            return null;
+        }
+
+        return new Identifier('void');
+    }
+}