public InputState(CashMachine machine) { Machine = machine; }
public WithdrawState(CashMachine machine) { Machine = machine; }
public StatusState(CashMachine machine, string text, bool In = false) { Machine = machine; Status = text; InMode = In; }
public MenuState(CashMachine machine) { Machine = machine; }
public NullState(CashMachine machine) { Machine = machine; }