DX: type-hing oneToMany and ManyToMany properties as collection

src/Bundle/ChillActivityBundle/Entity/ActivityReasonCategory.php

@@ -12,6 +12,7 @@ declare(strict_types=1);
 namespace Chill\ActivityBundle\Entity;
 
 use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
@@ -47,12 +48,12 @@ class ActivityReasonCategory implements \Stringable
     /**
      * Array of ActivityReason.
      *
-     * @var ArrayCollection
+     * @var Collection<ActivityReason>
      * @ORM\OneToMany(
      *     targetEntity="Chill\ActivityBundle\Entity\ActivityReason",
      * mappedBy="category")
      */
-    private $reasons;
+    private Collection $reasons;
 
     /**
      * ActivityReasonCategory constructor.