docs: public void removeAllBusItineraries() {
  		for (final BusItinerary itinerary : this.itineraries) {
  			itinerary.setContainer(null);
  			itinerary.setEventFirable(true);
  		}
  		this.itineraries.clear();
  		fireShapeChanged(new BusChangeEvent(this,
  				BusChangeEventType.ALL_ITINERARIES_REMOVED,
  				null,
  				-1,
  				"shape", //$NON-NLS-1$
  				null,
  				null));
  		checkPrimitiveValidity();
  	}