DX: type-hing oneToMany and ManyToMany properties as collection

src/Bundle/ChillTaskBundle/Entity/RecurringTask.php

@@ -69,7 +69,7 @@ class RecurringTask extends AbstractTask
     private $occurenceWarningInterval;
 
     /**
-     * @var Collection
+     * @var Collection<SingleTask>
      *
      * @ORM\OneToMany(
      *     targetEntity="SingleTask",

src/Bundle/ChillTaskBundle/Entity/SingleTask.php

@@ -11,6 +11,7 @@ declare(strict_types=1);
 
 namespace Chill\TaskBundle\Entity;
 
+use Chill\TaskBundle\Entity\Task\SingleTaskPlaceEvent;
 use DateInterval;
 use DateTime;
 use DateTimeImmutable;
@@ -92,14 +93,14 @@ class SingleTask extends AbstractTask
     private $startDate;
 
     /**
-     * @var \Doctrine\Common\Collections\Collection
+     * @var Collection<SingleTaskPlaceEvent>
      * @ORM\OneToMany(
      *     targetEntity="\Chill\TaskBundle\Entity\Task\SingleTaskPlaceEvent",
      *     mappedBy="task",
      *     cascade={ "remove" }
      * )
      */
-    private $taskPlaceEvents;
+    private Collection $taskPlaceEvents;
 
     /**
      * @var DateInterval