protected boolean onBusLineRemoved(BusLine line, int index) {
		if (this.autoUpdate.get()) {
			try {
				removeMapLayerAt(index);
				return true;
			} catch (Throwable exception) {
				//
			}
		}
		return false;
	}
protected boolean onBusLineRemoved ( BusLine line , int index ) { if ( this . autoUpdate . get ( ) ) { try { removeMapLayerAt ( index ) ; return true ; } catch ( Throwable exception ) { } } return false ; }
Invoked when a bus line was removed from the attached network.

<p>This function exists to allow be override to provide a specific behaviour
when a bus line has been removed.

@param line is the removed line.
@param index is the index of the bus line.
@return <code>true</code> if the events was fired, otherwise <code>false</code>.