HashSet retval = new HashSet();
Set retval = new HashSet();
	public Set search(String searchValue)	{		HashSet retval = new HashSet();		if ((null == searchValue) || (0 >= searchValue.length()))			return (retval);		if (null == apiSource)			return (retval);		Set results = apiSource.search(searchValue);		if (null != results)		{			for (Iterator subjects = results.iterator(); subjects.hasNext();)			{				Subject subj = (Subject)subjects.next();				SignetSubject sigSubj = new SignetSubject(this, subj);				retval.add(sigSubj);			}		}		return (retval);	}