public function update($parent, $name, Google_Service_ManufacturerCenter_Attributes $postBody, $optParams = array())
  {
    $params = array('parent' => $parent, 'name' => $name, 'postBody' => $postBody);
    $params = array_merge($params, $optParams);
    return $this->call('update', array($params), "Google_Service_ManufacturerCenter_ManufacturersEmpty");
  }