docs: public static void setBusStopNamesDrawable(Boolean isNamesDrawable) {
  		final Preferences prefs = Preferences.userNodeForPackage(BusLayerConstants.class);
  		if (prefs != null) {
  			if (isNamesDrawable == null) {
  				prefs.remove("DRAW_BUS_STOPS_NAMES"); //$NON-NLS-1$
  			} else {
  				prefs.putBoolean("DRAW_BUS_STOPS_NAMES", isNamesDrawable.booleanValue()); //$NON-NLS-1$
  			}
  			try {
  				prefs.sync();
  			} catch (BackingStoreException exception) {
  				//
  			}
  		}
  	}