SettingSet games = m_builder.buildModel(in);
SettingSet games = m_builder.buildModel(in, null);
    public void testIteration() throws IOException {        InputStream in = getClass().getResourceAsStream("games.xml");        SettingSet games = m_builder.buildModel(in);        Iterator i = games.getValues().iterator();        while (i.hasNext()) {            assertTrue(i.next().getClass().isAssignableFrom(SettingSet.class));        }    }