Rector changes and immplementations of required methods

src/Bundle/ChillDocStoreBundle/Entity/AccompanyingCourseDocument.php

@@ -40,7 +40,7 @@ class AccompanyingCourseDocument extends Document implements HasScopesInterface,
         return $this->course;
     }
 
-    public function getId()
+    public function getId(): ?int
     {
         return $this->id;
     }

src/Bundle/ChillDocStoreBundle/Entity/Document.php

@@ -85,7 +85,7 @@ class Document implements TrackCreationInterface, TrackUpdateInterface
         return (string) $this->getObject()?->getTitle();
     }
 
-    public function getUser()
+    public function getUser(): ?\Chill\MainBundle\Entity\User
     {
         return $this->user;
     }

src/Bundle/ChillDocStoreBundle/Entity/DocumentCategory.php

@@ -50,7 +50,7 @@ class DocumentCategory
         return $this->bundleId;
     }
 
-    public function getDocumentClass()
+    public function getDocumentClass(): ?string
     {
         return $this->documentClass;
     }

src/Bundle/ChillDocStoreBundle/Entity/PersonDocument.php

@@ -36,12 +36,12 @@ class PersonDocument extends Document implements HasCenterInterface, HasScopeInt
     #[ORM\ManyToOne(targetEntity: Scope::class)]
     private ?Scope $scope = null;
 
-    public function getCenter()
+    public function getCenter(): ?\Chill\MainBundle\Entity\Center
     {
         return $this->getPerson()->getCenter();
     }
 
-    public function getId()
+    public function getId(): ?int
     {
         return $this->id;
     }

src/Bundle/ChillDocStoreBundle/Entity/StoredObject.php

@@ -186,7 +186,7 @@ class StoredObject implements Document, TrackCreationInterface
     /**
      * @deprecated use method "getFilename()"
      */
-    public function getObjectName()
+    public function getObjectName(): string
     {
         return $this->getFilename();
     }