code: func FirewallToGCloudUpdateCmd(fw *compute.Firewall, projectID string) string {
  	args := firewallToGcloudArgs(fw, projectID)
  	return fmt.Sprintf("gcloud compute firewall-rules update %v %v", fw.Name, args)
  }
docs: // FirewallToGCloudUpdateCmd generates a gcloud command to update a firewall to specified params