code: public void removeAllBusStops() {
  		for (final BusStop busStop : this.busStops) {
  			busStop.removeBusHub(this);
  		}
  		this.busStops.clear();
  		resetBoundingBox();
  		firePrimitiveChanged(new BusChangeEvent(this,
  				BusChangeEventType.ALL_STOPS_REMOVED,
  				null,
  				-1,
  				null,
  				null,
  				null));
  		checkPrimitiveValidity();
  	}
docs: Remove all the bus stops from the current hub.