ObjectTypedPropertyFromJMSSerializerAttributeTypeRector

Add object typed property from JMS Serializer Type attribute

 use JMS\Serializer\Annotation\Type;

 final class SomeClass
 {
     #[Type(Product::class)]
-    private $product;
+    private ?Product $product = null;
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\Class_\ObjectTypedPropertyFromJMSSerializerAttributeTypeRector;

return RectorConfig::configure()
    ->withRules([
        ObjectTypedPropertyFromJMSSerializerAttributeTypeRector::class,
    ]);