@Override
 public void loadExtension(@NotNull JpsProject project, @NotNull Element componentTag) {
   JpsJavaProjectExtension extension = getService().getOrCreateProjectExtension(project);
   final Element output = componentTag.getChild(OUTPUT_TAG);
   if (output != null) {
     String url = output.getAttributeValue(URL_ATTRIBUTE);
     if (url != null) {
       extension.setOutputUrl(url);
     }
   }
   String languageLevel = componentTag.getAttributeValue(LANGUAGE_LEVEL_ATTRIBUTE);
   if (languageLevel != null) {
     extension.setLanguageLevel(LanguageLevel.valueOf(languageLevel));
   }
 }