public VehicleLapEvent GetLapEventAt(int lapNumber)
 {
     return(VehicleEvents.OfType <VehicleLapEvent>().FirstOrDefault(e => e.LapNumber == lapNumber));
 }
 public VehiclePitStopEvent GetPitStopEventAt(double elapsed)
 {
     return(VehicleEvents.OfType <VehiclePitStopEvent>().FirstOrDefault(e => e.Elapsed == elapsed));
 }