HashSet retval = new HashSet();
Set retval = new HashSet();
	public Set getValuesAsStringSet()	{		HashSet retval = new HashSet();		if (null == sourceValues)			return (retval);		// Convert the Set of SignetSubjectAttrValue objects into a Set of Strings		for (Iterator values = sourceValues.iterator(); values.hasNext(); )		{			String tmpValue = ((SignetSubjectAttrValue)values.next()).getValue();			retval.add(tmpValue);		}		return (retval);	}