Set subs= (Set)map.get((String) iter.next());
Set subs= (Set)map.get(iter.next());
	private RefactoringStatus checkForDuplicateKeys() {		Map map= new HashMap();//String (key) -> Set of NLSSubstitution		for (int i= 0; i < fNlsSubs.length; i++) {			NLSSubstitution sub= fNlsSubs[i];			String key= sub.key;			if (!map.containsKey(key)){			 	map.put(key, new HashSet());			}			((Set)map.get(key)).add(sub);				}				RefactoringStatus result= new RefactoringStatus();		for (Iterator iter= map.keySet().iterator(); iter.hasNext();) {			Set subs= (Set)map.get((String) iter.next());			result.merge(checkForDuplicateKeys(subs));		}		return result;	}