/**
  * @param string              $id
  * @param ProductDataTransfer $data
  *
  * @return bool
  */
 public function update($id, ProductDataTransfer $data)
 {
     $endpoint = new Update($this->getTransport());
     $endpoint->setId($id);
     $endpoint->setTransfer($data);
     try {
         $result = $endpoint->performRequest();
     } catch (ResourceNotFoundException $e) {
         return false;
     }
     return $result['status'] == 204;
 }