public void put(IWorkingSet ws) {
private void put(IWorkingSet ws) {
		public void put(IWorkingSet ws) {			Integer workingSetKey= new Integer(System.identityHashCode(ws));			if (fWorkingSetToElement.containsKey(workingSetKey))				return;			IAdaptable[] elements= ws.getElements();			fWorkingSetToElement.put(workingSetKey, elements);			for (int i= 0; i < elements.length; i++) {				IAdaptable element= elements[i];				addToMap(fElementToWorkingSet, element, ws);				IResource resource= (IResource)element.getAdapter(IResource.class);				if (resource != null) {					addToMap(fResourceToWorkingSet, resource, ws);				}			}		}