private void InitializeInternal()
        {
            var handler = new IncomingHandler();

            handler.HasCome += Handler_HasCome;
            _messenger       = new Messenger(handler);
        }
        public ServiceScenariosManager(Activity activity)
        {
            _activity = activity;
            var handler = new IncomingHandler();

            handler.HasCome += Handler_HasCome;
            _messenger       = new Messenger(handler);
        }