this.callbacks.processMove(m);
modelRoot.getReceiver().processMove(m);
    void sendUpdateMove(MutableSchedule mutableSchedule ){        TrainModel train = (TrainModel)w.get(KEY.TRAINS, this.trainNumber);        int scheduleID = train.getScheduleID();        ImmutableSchedule before = (ImmutableSchedule)w.get(KEY.TRAIN_SCHEDULES, scheduleID);        ImmutableSchedule after = mutableSchedule.toImmutableSchedule();        Move m = new ChangeTrainScheduleMove(scheduleID, before, after);        this.callbacks.processMove(m);    }