public function retry($projectId, $id, Google_Service_CloudBuild_RetryBuildRequest $postBody, $optParams = array())
  {
    $params = array('projectId' => $projectId, 'id' => $id, 'postBody' => $postBody);
    $params = array_merge($params, $optParams);
    return $this->call('retry', array($params), "Google_Service_CloudBuild_Operation");
  }