code: @Override
    public final void invokeQuery(InboxAmp inbox, StubAmp actorDeliver)
    {
      try {
        MethodAmp method = method();
      
        StubAmp actorMessage = serviceRef().stub();
  
        StubStateAmp load = actorDeliver.load(actorMessage, this);
        
        load.inPipe(actorDeliver, actorMessage,
                    method,
                    getHeaders(),
                    this,
                    _args);
        
      } catch (Throwable e) {
        fail(e);
      }
    }
docs: /*
  private InboxAmp getCallerInbox()
  {
  return _callerInbox;
  }