protected function _updateEricsson(AlarmRuleModel $alarmRule)
 {
     $mappedData = $this->_mapModelToEricssonModel($alarmRule->exportData());
     $updateData = new AlarmRule\AlarmRuleUpdate();
     $updateData->parse($mappedData, new \DrSlump\Protobuf\Codec\PhpArray());
     $methodName = self::METHOD_NAME_UPDATE;
     $proto = $this->_createProto($methodName);
     $proto->setId($alarmRule->getId());
     $proto->setUpdateData($updateData);
     $response = $this->_sendRequest($methodName, array('protoMessage' => $proto));
     $this->_checkPutResponse($response);
     return $alarmRule->getId();
 }