public WorkingSetAction(IWorkbenchSite site, ElementSearchAction action, String workingSetName) {
public WorkingSetAction(IWorkbenchSite site, JavaElementSearchAction action, String workingSetName) {
	public WorkingSetAction(IWorkbenchSite site, ElementSearchAction action, String workingSetName) {		super(site, workingSetName, null);		Assert.isNotNull(action);		fAction= action;	}