/// <summary>
 /// Porównywarka
 /// </summary>
 /// <param name="other"></param>
 /// <returns></returns>
 public bool Equals(Refueling other)
 {
     return(RefueledCar.Equals(other.RefueledCar) && CreateTime.Equals(other.CreateTime));
 }
 /// <summary>
 /// Kod mieszania
 /// </summary>
 /// <returns></returns>
 public override int GetHashCode()
 {
     return(RefueledCar != null?RefueledCar.GetHashCode() ^ CreateTime.GetHashCode() : 0);
 }