SESSION(RouteGroupPropertyChanged, RouteGroupPropertyChanged, 1)
SESSION(RouteAddedToRouteGroup, RouteAddedToRouteGroup, 2)
SESSION(RouteRemovedFromRouteGroup, RouteRemovedFromRouteGroup, 2)
SESSION(RouteGroupPropertyChanged, RouteGroupPropertyChanged, 1)
SESSION(RouteAddedToRouteGroup, RouteAddedToRouteGroup, 2)
SESSION(RouteRemovedFromRouteGroup, RouteRemovedFromRouteGroup, 2)