fFindImplementorsInProjectAction= null;
	public void dispose() {		ISelectionProvider provider= fSite.getSelectionProvider();		if (provider != null) {			disposeAction(fFindImplementorsAction, provider);			disposeAction(fFindImplementorsInWorkingSetAction, provider);		}		super.dispose();		fFindImplementorsAction= null;		fFindImplementorsInWorkingSetAction= null;		updateGlobalActionHandlers();	}