code: func MakeHealthCheckFirewallName(clusterID, hcName string, isNodesHealthCheck bool) string {
  	if isNodesHealthCheck {
  		return MakeNodesHealthCheckName(clusterID) + "-http-hc"
  	}
  	return "k8s-" + hcName + "-http-hc"
  }
docs: // MakeHealthCheckFirewallName returns the firewall name used by the GCE load
  // balancers (l4) for performing health checks.