/// <summary>
/// Filter the stations in this system
/// </summary>
/// <param name="type">If not null, will only provide stations of the desired type</param>
/// <param name="facility">If not null, will only provide stations with the desired facility available</param>
/// <param name="minPadSize">If not null, will only provide stations with the minimum landing pad size present</param>
/// <param name="result">New list with only the filtered stations</param>
/// <returns>True, if atleast one station matching the filters was found</returns>
public bool FilterStations(StationSearchFilter filter, out List <Station> result)
{
return(Stations.Filter(filter, out result));
}