CollectionSetterParamNativeTypeRector

Add native param type to a Collection setter

 use Doctrine\Common\Collections\Collection;

 final class SomeClass
 {
     private $items;

     /**
      * @param Collection<int, string> $items
      */
-    public function setItems($items): void
+    public function setItems(Collection $items): void
     {
         $this->items = $items;
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Doctrine\TypedCollections\Rector\ClassMethod\CollectionSetterParamNativeTypeRector;

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