m_setting = builder.buildModel(stream).copy();
m_setting = builder.buildModel(stream, null).copy();
    protected void setUp() throws Exception {        ModelBuilder builder = new XmlModelBuilder(TestHelper.getSysDirProperties()                .getProperty("sysdir.etc"));        InputStream stream = getClass().getResourceAsStream("IniFileWriter.test.xml");        m_setting = builder.buildModel(stream).copy();        stream.close();    }