}

            @Override
            public String getQueryDefaultLanguages() {
                return "en,ja";
            }

            @Override
            public String[] getQueryAdditionalResponseFields(String... fields) {
                return fields;
            }

            @Override
            public String[] getQueryAdditionalScrollResponseFields(String... fields) {

                return baseConfig.getIndexFieldSegment();
            }

            @Override
            public String[] getQueryAdditionalResponseFields(String... fields) {
                return baseConfig.getQueryAdditionalResponseFields(fields);
            }

            @Override
            public String[] getQueryAdditionalScrollResponseFields(String... fields) {

    @Override
    public void setUp() throws Exception {
        super.setUp();

        FessConfig fessConfig = new FessConfig.SimpleImpl() {

            @Override
            public String[] getQueryAdditionalResponseFields(String... fields) {
                return fields;
            }

            @Override
            public String[] getQueryAdditionalScrollResponseFields(String... fields) {
                return fields;

            @Override
            public String getQueryAdditionalNotAnalyzedFields() {
                return "";
            }

            @Override
            public String[] getQueryAdditionalResponseFields(String... fields) {
                return fields;
            }

            @Override
            public String[] getQueryAdditionalScrollResponseFields(String... fields) {

    }

    String getQueryAdditionalResponseFields();

    default String[] getQueryAdditionalResponseFields(final String... fields) {
        final List<String> list = new ArrayList<>(fields.length + 10);
        stream(fields).of(stream -> stream.forEach(list::add));
        split(getQueryAdditionalResponseFields(), ",")

            @Override
            public String getQueryAdditionalNotAnalyzedFields() {
                return "";
            }

            @Override
            public String[] getQueryAdditionalResponseFields(String... fields) {
                return fields;
            }

            @Override
            public String[] getQueryAdditionalScrollResponseFields(String... fields) {