public function batchUpdate($id, Google_Service_MapsEngine_PermissionsBatchUpdateRequest $postBody, $optParams = array())
  {
    $params = array('id' => $id, 'postBody' => $postBody);
    $params = array_merge($params, $optParams);
    return $this->call('batchUpdate', array($params), "Google_Service_MapsEngine_PermissionsBatchUpdateResponse");
  }