/**
  * Update folder permissions records when folder is deleted
  *
  * @param Folder $folder
  */
 public function postFolderDelete(Folder $folder)
 {
     $storageUid = $folder->getStorage()->getUid();
     $this->utilityService->deleteFolderRecord($storageUid, $folder->getHashedIdentifier(), $folder->getIdentifier());
     foreach ($this->folderMapping[$folder->getCombinedIdentifier()] as $folderInfo) {
         $this->utilityService->deleteFolderRecord($storageUid, $folderInfo[0], $folderInfo[1]);
     }
 }