public ReturnCoin(LotMachineManager lm) { machineManager = lm; }
public InsertionCoin(LotMachineManager lm) { machineManager = lm; }
public Refill(LotMachineManager lm) { machineManager = lm; }
public Vend(LotMachineManager lm) { machineManger = lm; }