columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnConfigId() {
            doColumn("configId");
        }

        public void columnErrorCount() {
            doColumn("errorCount");
        }

        public void columnErrorLog() {
            doColumn("errorLog");
        }

        } else {
            urlEncoding = responseData.getCharSet();
        }

        // cid
        final String configId = crawlingConfig.getConfigId();
        if (configId != null) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldConfigId(), configId);
        }
        //  expires
        if (documentExpires != null) {

    "properties": {
      "anchor": {
        "type": "keyword"
      },
      "boost": {
        "type": "float"
      },
      "click_count": {
        "type": "long"
      },
      "config_id": {
        "type": "keyword"
      },
      "important_content": {
        "type": "text",
        "analyzer": "standard_analyzer",
        "search_analyzer": "standard_search_analyzer",

                    return "favorite_count";
                case FessConfig.INDEX_FIELD_click_count:
                    return "click_count";
                case FessConfig.INDEX_FIELD_config_id:
                    return "config_id";
                case FessConfig.INDEX_FIELD_EXPIRES:
                    return "expires";
                case FessConfig.INDEX_FIELD_URL:
                    return "url";

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

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

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

            @Override

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

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

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

            @Override

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

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

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

            @Override

                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

    }

    public void test_asContentResponse() {
        ViewHelper viewHelper = new ViewHelper();
        viewHelper.init();

        Map<String, Object> doc = new HashMap<>();
        doc.put("config_id", "test");
        doc.put("url", "http://example.com");

        try {
            viewHelper.asContentResponse(doc);
            assertTrue(true);
        } catch (Exception e) {