private static void instantiateElementTypesFromFields() {
    // load stub serializers before usage
    FileTypeRegistry.getInstance().getRegisteredFileTypes();
    getExtensions(BinaryFileStubBuilders.INSTANCE, builder -> {});
    getExtensions(LanguageParserDefinitions.INSTANCE, ParserDefinition::getFileNodeType);
  }
private static void instantiateElementTypesFromFields()