public void Execute()
{
IParking whereToPark = parkingRepository.Find(parkingId);
CarSubject carToPark = carRepository.Find(carId);
whereToPark.SetCarToParking(carToPark);
carToPark.IsParked = true;
}
private void Initialize()
{
var parking = _parkingRepository.Find(_id);
UpdateParkingSlots(parking);
}