createFacetQueryView("size", "small", "content_length:[0 TO 10000]", "large", "content_length:[10000 TO *]"));
        final MockHttpServletRequest request = new MockHttpServletRequest();
        request.setParameterValues("ex_q",
                new String[] { "filetype:HTML", "filetype:PDF", "timestamp:[now-1y TO *]", "content_length:[0 TO 10000]" });

        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"));
    }

     * 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>

                    return "host";
                case FessConfig.INDEX_FIELD_SITE:
                    return "site";
                case FessConfig.INDEX_FIELD_content_length:
                    return "content_length";
                case FessConfig.INDEX_FIELD_FILETYPE:
                    return "filetype";
                case FessConfig.INDEX_FIELD_FILENAME:
                    return "filename";

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

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

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

            @Override
            public String getIndexFieldSite() {

                                    <label for="doc.content_length" class="col-sm-3 text-sm-right col-form-label">content_length</label>
                                    <div class="col-sm-9">
                                        <la:errors property="doc.content_length"/>
                                        <la:text styleId="doc.content_length"
                                                 property="doc.content_length"

        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();

            "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");

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

        "index": false
      },
      "content_minhash_bits": {
        "type": "minhash",
        "bit_string": true,
        "minhash_analyzer": "minhash_analyzer"
      },
      "content_length": {
        "type": "long"
      },
      "created": {
        "type": "date",
        "format": "date_optional_time"
      },
      "timestamp": {
        "type": "date",

      },
      "content_minhash": {
        "type": "keyword",
        "index": false
      },
      "content_minhash_bits": {
        "type": "keyword",
        "index": false
      },
      "content_length": {
        "type": "long"
      },
      "created": {
        "type": "date",
        "format": "date_optional_time"
      },
      "timestamp": {
        "type": "date",