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);

        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");

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

						<la:option value="created.desc">
							<la:message key="labels.search_result_sort_created_desc" />
						</la:option>
						<la:option value="content_length.asc">
							<la:message key="labels.search_result_sort_content_length_asc" />
						</la:option>
						<la:option value="content_length.desc">
							<la:message key="labels.search_result_sort_content_length_desc" />
						</la:option>
						<la:option value="last_modified.asc">

			</la:option>
			<la:option value="created.desc">
				<la:message key="labels.search_result_sort_created_desc" />
			</la:option>
			<la:option value="content_length.asc">
				<la:message key="labels.search_result_sort_content_length_asc" />
			</la:option>
			<la:option value="content_length.desc">
				<la:message key="labels.search_result_sort_content_length_desc" />
			</la:option>
			<la:option value="last_modified.asc">

			</la:option>
			<la:option value="created.desc">
				<la:message key="labels.search_result_sort_created_desc" />
			</la:option>
			<la:option value="content_length.asc">
				<la:message key="labels.search_result_sort_content_length_asc" />
			</la:option>
			<la:option value="content_length.desc">
				<la:message key="labels.search_result_sort_content_length_desc" />
			</la:option>
			<la:option value="last_modified.asc">

					</c:if> <c:if test="${sort=='created.desc'}">
						<la:message key="labels.search_result_sort_created_desc" />
					</c:if> <c:if test="${sort=='content_length.asc'}">
						<la:message key="labels.search_result_sort_content_length_asc" />
					</c:if> <c:if test="${sort=='content_length.desc'}">
						<la:message key="labels.search_result_sort_content_length_desc" />
					</c:if> <c:if test="${sort=='last_modified.asc'}">

					</c:if> <c:if test="${sort=='created.desc'}">
						<la:message key="labels.search_result_sort_created_desc" />
					</c:if> <c:if test="${sort=='content_length.asc'}">
						<la:message key="labels.search_result_sort_content_length_asc" />
					</c:if> <c:if test="${sort=='content_length.desc'}">
						<la:message key="labels.search_result_sort_content_length_desc" />
					</c:if> <c:if test="${sort=='last_modified.asc'}">

					</c:if>
					<c:if test="${doc.content_length!=null && doc.content_length!=''}">
						<div class="d-sm-none"></div>
						<span class="d-none d-sm-inline-block">&nbsp;</span>
						<la:message key="labels.search_result_size"
							arg0="${fe:formatFileSize(doc.content_length)}" />
					</c:if>
					<c:if test="${searchLogSupport && doc.click_count!=null && doc.click_count>0}">

        "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",