/**
  * Constructor.
  *
  * @param \SRIO\RestUploadBundle\Upload\StorageHandler $storageHandler
  * @param EntityManager                                $em
  * @param string                                       $resumableEntity
  */
 public function __construct(StorageHandler $storageHandler, EntityManager $em, $resumableEntity)
 {
     parent::__construct($storageHandler);
     $this->em = $em;
     $this->resumableEntity = $resumableEntity;
 }