public void generateXsdFile(final Collection<ConfigClass> configClasses, String configClassPackage,
final Writer output) throws IOException, TemplateException {
ExmlConfigPackage suite = new ExmlConfigPackage(configClasses, configClassPackage);
Configuration cfg = new Configuration();
cfg.setClassForTemplateLoading(ExmlConfigPackage.class, "/");
cfg.setObjectWrapper(new DefaultObjectWrapper());
Template template = cfg.getTemplate("/net/jangaroo/exml/templates/exml_config_package_xsd.ftl");
Environment env = template.createProcessingEnvironment(suite, output);
env.setOutputEncoding(Exmlc.OUTPUT_CHARSET);
env.process();
}