public String getIndexFieldBoost() {
                return "boost";
            }

            @Override
            public String getIndexFieldContentLength() {
                return "content_length";
            }

            @Override
            public String getIndexFieldHost() {
                return "host";
            }

            @Override

        source.put("boost", 1.5);
        source.put("content_length", 12345);
        source.put("active", true);

        final String json = new JsonIndexExportFormatter().format(source, Collections.emptySet());

        assertTrue(json.contains("\"boost\": 1.5"));
        assertTrue(json.contains("\"content_length\": 12345"));
        assertTrue(json.contains("\"active\": true"));
    }

pkg net/http, type Request struct
pkg net/http, type Request struct, Body io.ReadCloser
pkg net/http, type Request struct, Close bool
pkg net/http, type Request struct, ContentLength int64
pkg net/http, type Request struct, Form url.Values
pkg net/http, type Request struct, Header Header
pkg net/http, type Request struct, Host string
pkg net/http, type Request struct, Method string

     * labels.facet_contentLength_title:labels.facet_contentLength_10k=content_length:[0 TO 9999]	labels.facet_contentLength_10kto100k=content_length:[10000 TO 99999]	labels.facet_contentLength_100kto500k=content_length:[100000 TO 499999]	labels.facet_contentLength_500kto1m=content_length:[500000 TO 999999]	labels.facet_contentLength_1m=content_length:[1000000 TO *]<br>

                        last_modified:
                          type: string
                          format: date-time
                          example: "2017-10-09T22:28:56.000Z"
                        content_length:
                          type: string
                          example: "29624"
                        timestamp:
                          type: string
                          format: date-time

            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override
            public String getIndexFieldContentLength() {
                return "content_length";
            }

            @Override
            public String getIndexFieldHost() {
                return "host";
            }

            @Override
            public String getIndexFieldSite() {

            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override
            public String getIndexFieldContentLength() {
                return "content_length";
            }

            @Override
            public String getIndexFieldHost() {
                return "host";
            }

            @Override

            "filename", "content", "has_cache", "cache", "digest", "host", "site", "segment", "config_id", "parent_id", "content_length",
            "favorite_count", "click_count", "created", "timestamp", "last_modified", "expires", "virtual_host", "doc_id");

    // ===================================================================================

        if (fileTypeHelper != null) {
            // filetype
            putResultDataBody(dataMap, fessConfig.getIndexFieldFiletype(), fileTypeHelper.get(mimeType));
        }
        // content_length
        putResultDataBody(dataMap, fessConfig.getIndexFieldContentLength(), Long.toString(responseData.getContentLength()));
        // last_modified
        final Date lastModified = getLastModified(dataMap, responseData);

                .replace("{{context}}", StringUtil.isNotBlank(context) ? context : ""));
        if (logger.isDebugEnabled()) {
            logger.debug("[RAG:ANSWER] generateFaqAnswerResponse. resolvedPrompt={}, contextLength={}, userMessage={}, historySize={}",
                    resolvedPrompt, context != null ? context.length() : 0, userMessage, history.size());
        }

        final LlmChatRequest request = new LlmChatRequest();