spin_Pre method
- ServiceCall call,
 - Future<
SpinRequest> request 
Implementation
$async.Future<$19.SpinResponse> spin_Pre($grpc.ServiceCall call, $async.Future<$19.SpinRequest> request) async {
  return spin(call, await request);
}
$async.Future<$19.SpinResponse> spin_Pre($grpc.ServiceCall call, $async.Future<$19.SpinRequest> request) async {
  return spin(call, await request);
}