public void OnJapanCarCreation(JapanCar japanCar)
 {
     _notifyUsersAction.Notify(japanCar);
 }
 //Action<IProductOptions> optionalParams)
 public JapanCar CreateNewJapanCar(string name, int engineVol, int tankVol, string bodyType)
 {
     var japanCar = new JapanCar(name, engineVol, tankVol, bodyType);
     OnJapanCarCreation(japanCar);
     return japanCar;
 }