public function UpdateGroup(\Google\Cloud\ErrorReporting\V1beta1\UpdateGroupRequest $argument,
      $metadata = [], $options = []) {
        return $this->_simpleRequest('/google.devtools.clouderrorreporting.v1beta1.ErrorGroupService/UpdateGroup',
        $argument,
        ['\Google\Cloud\ErrorReporting\V1beta1\ErrorGroup', 'decode'],
        $metadata, $options);
    }