/**
  * When deleting a client the associated access token must tbe removed too
  * @param Client $clientObject
  */
 public function removeAccessTokens(Client $clientObject)
 {
     $accessTokenArray = $this->findByClient($clientObject->getId());
     foreach ($accessTokenArray as $accessTokenObject) {
         if ($accessTokenObject instanceof AccessToken) {
             $this->delete($accessTokenObject);
         }
     }
 }