updateLowerListWidget(fQualifierElements);
if (fQualifierElements == null) updateLowerListWidget(new Object[] {}); else updateLowerListWidget(fQualifierElements);
	private void handleUpperSelectionChanged() {		int index= getSelectionIndex();		fLowerList.removeAll();				if (index < 0)			return;					fQualifierElements= getFoldedElements(index);		updateLowerListWidget(fQualifierElements);		updateOkState();			}