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

        try {
            final Map<String, Object> doc = indexingHelper.getDocument(searchEngineClient, id,
                    new String[] { fessConfig.getIndexFieldThumbnail(), fessConfig.getIndexFieldConfigId() });
            if (doc == null) {
                throw new ThumbnailGenerationException("Document is not found: " + id);
            }

                        searchEngineClient.addAll(fessConfig.getIndexDocumentUpdateIndex(), docList, (doc, builder) -> {
                            final String configId = (String) doc.get(fessConfig.getIndexFieldConfigId());
                            crawlingConfigHelper.getPipeline(configId).ifPresent(s -> builder.setPipeline(s));
                        });
                if (response.hasFailures()) {

                return baseConfig.getIndexFieldFavoriteCount();
            }

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

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

        assertEquals("click_count", fessConfig.getIndexFieldClickCount());
    }

    public void test_indexFieldConfigId() {
        assertEquals("config_id", fessConfig.getIndexFieldConfigId());
    }

    public void test_indexFieldExpires() {
        assertEquals("expires", fessConfig.getIndexFieldExpires());
    }

    public void test_indexFieldUrl() {

            }

            @Override
            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

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

            @Override

            }

            @Override
            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

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

            @Override

            @Override
            public int getCrawlingThreadCount() {
                return 1; // Reduced from 2 to minimize thread overhead
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

            @Override
            public String getIndexFieldSegment() {
                return "segment";
            }

            }

            @Override
            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

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

            @Override

            final FessConfig fessConfig = ComponentUtil.getFessConfig();
            final BoolQueryBuilder queryBuilder = QueryBuilders.boolQuery()//
                    .must(QueryBuilders.termQuery(fessConfig.getIndexFieldConfigId(), dataConfig.getConfigId()))//
                    .mustNot(QueryBuilders.termQuery(fessConfig.getIndexFieldSegment(), sessionId));
            if (!Constants.FALSE.equals(initParamMap.getAsString(KEEP_EXPIRES_DOCS))) {