FindReferencesInWorkingSetAction(IWorkbenchSite site, IWorkingSet[] workingSets, Class[] validTypes) { super(site, "", validTypes); fWorkingSets= workingSets;
public FindReferencesInWorkingSetAction(IWorkbenchSite site) { super(site); init();
	FindReferencesInWorkingSetAction(IWorkbenchSite site, IWorkingSet[] workingSets, Class[] validTypes) {		super(site, "", validTypes);  //$NON-NLS-1$		fWorkingSets= workingSets;	}