fStandardActionGroups.dispose();
if (fStandardActionGroups != null) fStandardActionGroups.dispose();
	public void dispose() {		fHierarchyLifeCycle.freeHierarchy();		fHierarchyLifeCycle.removeChangedListener(fTypeHierarchyLifeCycleListener);		fPaneLabelProvider.dispose();		getSite().getPage().removePartListener(fPartListener);		if (fHierarchyProblemListener != null) {			JavaPlugin.getDefault().getProblemMarkerManager().removeListener(fHierarchyProblemListener);		}		if (fMethodsViewer != null) {			JavaPlugin.getDefault().getProblemMarkerManager().removeListener(fMethodsViewer);		}		fStandardActionGroups.dispose();		super.dispose();	}