public function unclaim($parent, Google_Service_AndroidProvisioningPartner_CustomerUnclaimDeviceRequest $postBody, $optParams = array())
  {
    $params = array('parent' => $parent, 'postBody' => $postBody);
    $params = array_merge($params, $optParams);
    return $this->call('unclaim', array($params), "Google_Service_AndroidProvisioningPartner_AndroiddeviceprovisioningEmpty");
  }