updateBillingService abstract method
- ServiceCall call,
 - UpdateBillingServiceRequest request
 
Implementation
$async.Future<$11.UpdateBillingServiceResponse> updateBillingService($grpc.ServiceCall call, $11.UpdateBillingServiceRequest request);
$async.Future<$11.UpdateBillingServiceResponse> updateBillingService($grpc.ServiceCall call, $11.UpdateBillingServiceRequest request);