Rector: apply rules for doctrine code quality

src/Bundle/ChillTaskBundle/Entity/RecurringTask.php

@@ -25,11 +25,9 @@ use Doctrine\ORM\Mapping as ORM;
 class RecurringTask extends AbstractTask
 {
     /**
-     * @var DateTime
-     *
      * @ORM\Column(name="first_occurence_end_date", type="date")
      */
-    private $firstOccurenceEndDate;
+    private ?\DateTime $firstOccurenceEndDate = null;
 
     /**
      * @var int
@@ -38,21 +36,19 @@ class RecurringTask extends AbstractTask
      * @ORM\Id
      * @ORM\GeneratedValue(strategy="AUTO")
      */
-    private $id;
+    private ?int $id = null;
 
     /**
-     * @var DateTime
-     *
      * @ORM\Column(name="last_occurence_end_date", type="date")
      */
-    private $lastOccurenceEndDate;
+    private ?\DateTime $lastOccurenceEndDate = null;
 
     /**
      * @var string
      *
      * @ORM\Column(name="occurence_frequency", type="string", length=255)
      */
-    private $occurenceFrequency;
+    private ?string $occurenceFrequency = null;
 
     /**
      *