labels.facet_contentLength_title:\
labels.facet_contentLength_10k=content_length:[0 TO 9999]\t\
labels.facet_contentLength_10kto100k=content_length:[10000 TO 99999]\t\
labels.facet_contentLength_100kto500k=content_length:[100000 TO 499999]\t\
labels.facet_contentLength_500kto1m=content_length:[500000 TO 999999]\t\
labels.facet_contentLength_1m=content_length:[1000000 TO *]\n\
labels.facet_filetype_title:\

        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"));
    }

        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 = responseData.getLastModified();

                .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();