AddReturnDocBlockToCollectionPropertyGetterByToManyAnnotationRector

Adds @return PHPDoc type to Collection property getter by *ToMany annotation/attribute

-use App\Entity\Training;
-
 /**
  * @ORM\Entity
  */
 final class Trainer
 {
     /**
      * @ORM\OneToMany(targetEntity=Training::class)
      */
     private $trainings;

+    /**
+     * @return \Doctrine\Common\Collections\Collection<int, \App\Entity\Training>
+     */
     public function getTrainings()
     {
         return $this->trainings;
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Doctrine\CodeQuality\Rector\Class_\AddReturnDocBlockToCollectionPropertyGetterByToManyAnnotationRector;

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