public void Dispose()
 {
     if (GetCustomerCashPurseRequest != null)
     {
         GetCustomerCashPurseRequest.GetInvocationList().ToList().ForEach(x => GetCustomerCashPurseRequest -= (RequestEventHandler <ICustomerPurse>)x);
     }
     if (GetVendingMachineChangeRequest != null)
     {
         GetVendingMachineChangeRequest.GetInvocationList().ToList().ForEach(x => GetVendingMachineChangeRequest -= (RequestEventHandler <IVendingMachineChange>)x);
     }
     if (GetGoodsRequest != null)
     {
         GetGoodsRequest.GetInvocationList().ToList().ForEach(x => GetGoodsRequest -= (RequestEventHandler <IGoods>)x);
     }
     if (RefreshPutCoinBoxRequest != null)
     {
         RefreshPutCoinBoxRequest.GetInvocationList().ToList().ForEach(x => RefreshPutCoinBoxRequest -= (VoidEventHandler)x);
     }
     if (RefreshTemplatesRequest != null)
     {
         RefreshTemplatesRequest.GetInvocationList().ToList().ForEach(x => RefreshTemplatesRequest -= (VoidEventHandler <AccountType, CoinType>)x);
     }
     if (DisposeRequest != null)
     {
         DisposeRequest();
         DisposeRequest.GetInvocationList().ToList().ForEach(x => DisposeRequest -= (VoidEventHandler)x);
     }
 }
 protected IVendingMachineChange GetVendingMachineChange()
 {
     return(GetVendingMachineChangeRequest?.Invoke());
 }