}

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override
            public String getIndexFieldHasCache() {
                return "has_cache";
            }

            @Override
            public String getIndexFieldCache() {
                return "cache";
            }

            public String getIndexFieldLang() {
                return baseConfig.getIndexFieldLang();
            }

            @Override
            public String getIndexFieldHasCache() {
                return baseConfig.getIndexFieldHasCache();
            }

            @Override
            public String getIndexFieldCache() {
                return baseConfig.getIndexFieldCache();
            }

            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override
            public String getIndexFieldHasCache() {
                return "has_cache";
            }

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

            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override
            public String getIndexFieldHasCache() {
                return "has_cache";
            }

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

            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override
            public String getIndexFieldHasCache() {
                return "has_cache";
            }

            @Override
            public String getIndexFieldCache() {
                return "cache";
            }

            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override
            public String getIndexFieldHasCache() {
                return "has_cache";
            }

            @Override
            public String getIndexFieldCache() {
                return "cache";
            }

                    fessConfig.getIndexFieldFavoriteCount(), //
                    fessConfig.getIndexFieldConfigId(), //
                    fessConfig.getIndexFieldLang(), //
                    fessConfig.getIndexFieldHasCache());
        }
        if (scrollResponseFields == null) {
            scrollResponseFields = fessConfig.getQueryAdditionalScrollResponseFields(//
                    SCORE_FIELD, //

    public void test_indexFieldLang() {
        assertEquals("lang", fessConfig.getIndexFieldLang());
    }

    @Test
    public void test_indexFieldHasCache() {
        assertEquals("has_cache", fessConfig.getIndexFieldHasCache());
    }

    @Test
    public void test_indexFieldLastModified() {
        assertEquals("last_modified", fessConfig.getIndexFieldLastModified());
    }

    @Test

                // text cache
                putResultDataBody(dataMap, fessConfig.getIndexFieldCache(), cache);
                putResultDataBody(dataMap, fessConfig.getIndexFieldHasCache(), Constants.TRUE);
            }
        }
        // digest
        putResultDataBody(dataMap, fessConfig.getIndexFieldDigest(),

                    // cache
                    putResultDataBody(dataMap, fessConfig.getIndexFieldCache(), new String(InputStreamUtil.getBytes(is), charSet));
                    putResultDataBody(dataMap, fessConfig.getIndexFieldHasCache(), Constants.TRUE);
                } catch (final Exception e) {
                    logger.warn("Failed to write cache: sessionId={}, responseData={}", sessionId, responseData, e);
                }