protected override void ConfigureRemoteBus(BusConfigurators.ServiceBusConfigurator configurator)
        {
            base.ConfigureRemoteBus(configurator);

            configurator.UseXmlSerializer();
            configurator.SupportJsonSerializer();

            configurator.Subscribe(s => s.Handler<A>((context, message) =>
            {
                _requestReceived.Complete(message);

                context.Respond(new B { Key = message.Key, Value = "Value of " + message.Key });
            }));
        }