public void RegisterDriver(List <string> commandArgs)
{
ITyre tyre = tyreFactory.Produce(commandArgs);
ICar car = carFactory.Produce(commandArgs, tyre);
IDriver driver = driverFactory.Produce(commandArgs, car, this.lengthOfLap);
if (tyre == null || car == null || driver == null)
{
throw new ArgumentException("Invalid arguments for registering driver");
}
this.drivers.Add(driver);
}