fAllowWindowWorkingSetByDefault= true;
	public WorkingSetFilterActionGroup(IWorkbenchPartSite site, IPropertyChangeListener changeListener) {		Assert.isNotNull(site);		Assert.isNotNull(changeListener);		fChangeListener= changeListener;		fWorkbenchPage= site.getPage();		fClearWorkingSetAction= new ClearWorkingSetAction(this);		fSelectWorkingSetAction= new SelectWorkingSetAction(this, site);		fEditWorkingSetAction= new EditWorkingSetAction(this, site);		fWorkingSetListener= new IPropertyChangeListener() {			public void propertyChange(PropertyChangeEvent event) {				doPropertyChange(event);			}		};		fWorkingSetFilter= new WorkingSetFilter();		IWorkingSetManager manager= PlatformUI.getWorkbench().getWorkingSetManager();		manager.addPropertyChangeListener(fWorkingSetListener);				if (useWindowWorkingSetByDefault()) {			setWorkingSet(site.getPage().getAggregateWorkingSet(), false);		}	}