docs: public boolean removeBusItinerary(int index) {
  		try {
  			final BusItinerary busItinerary = this.itineraries.remove(index);
  			busItinerary.setContainer(null);
  			busItinerary.setEventFirable(true);
  			fireShapeChanged(new BusChangeEvent(this,
  					BusChangeEventType.ITINERARY_REMOVED,
  					busItinerary,
  					index,
  					"shape", //$NON-NLS-1$
  					null,
  					null));
  			checkPrimitiveValidity();
  			return true;
  		} catch (Throwable exception) {
  			//
  		}
  		return false;
  	}