Fabian A
--- a/src/Form/GroupCloneForm.php
+++ b/src/Form/GroupCloneForm.php
   */
  public function __construct(
-    GroupCloner $cloner,
-    EntityTypeManagerInterface $entity_type_manager,
-    StateInterface $state,
-    GroupContentClonerManager $cloner_manager
-  ) {
-    $this->cloner = $cloner;
-    $this->entityTypeManager = $entity_type_manager;
-    $this->state = $state;
-    $this->clonerManager = $cloner_manager;
-  }
+    private GroupCloner $cloner,
+    private EntityTypeManagerInterface $entityTypeManager,
+    private StateInterface $state,
+    private GroupRelationshipClonerManager $clonerManager