labels.search_result_sort_created_desc=日付 (降順)
labels.search_result_sort_content_length_asc=サイズ (昇順)
labels.search_result_sort_content_length_desc=サイズ (降順)
labels.search_result_sort_last_modified_asc=最終更新日時 (昇順)
labels.search_result_sort_last_modified_desc=最終更新日時 (降順)
labels.search_result_sort_click_count_asc=クリック数 (昇順)
labels.search_result_sort_click_count_desc=クリック数 (降順)
labels.search_result_sort_favorite_count_asc=お気に入り数 (昇順)

                "{\"timestamp\":{\"order\":\"desc\"}}{\"last_modified\":{\"order\":\"asc\"}}", //
                buildQuery("sort:timestamp.desc sort:last_modified"));
        assertQueryContext(query, Map.of(), //
                Set.of(), //
                "{\"timestamp\":{\"order\":\"desc\"}}{\"last_modified\":{\"order\":\"desc\"}}", //
                buildQuery("sort:timestamp.desc sort:last_modified.desc"));

        try {

    public static final String LABELS_search_result_sort_last_modified_asc = "{labels.search_result_sort_last_modified_asc}";

    /** The key of the message: Last Modified (descending) */
    public static final String LABELS_search_result_sort_last_modified_desc = "{labels.search_result_sort_last_modified_desc}";

    /** The key of the message: Click (ascending) */

    /** The key of the configuration. e.g. has_cache */
    String INDEX_FIELD_has_cache = "index.field.has_cache";

    /** The key of the configuration. e.g. last_modified */
    String INDEX_FIELD_last_modified = "index.field.last_modified";

    /** The key of the configuration. e.g. anchor */
    String INDEX_FIELD_ANCHOR = "index.field.anchor";

    /** The key of the configuration. e.g. segment */

        // last_modified
        final Date lastModified = responseData.getLastModified();
        if (lastModified != null) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldLastModified(), lastModified);
            // timestamp
            putResultDataBody(dataMap, fessConfig.getIndexFieldTimestamp(), lastModified);
        } else {
            // timestamp

  /** The HTTP {@code Expires} header field name. */
  public static final String EXPIRES = "Expires";
  /** The HTTP {@code Last-Modified} header field name. */
  public static final String LAST_MODIFIED = "Last-Modified";
  /** The HTTP {@code Link} header field name. */
  public static final String LINK = "Link";
  /** The HTTP {@code Location} header field name. */
  public static final String LOCATION = "Location";

        final long timestamp = propertiesFile.lastModified();
        if (timestamp <= lastModified) {
            return false;
        }

        return true;
    }

    public synchronized void load() {
        final Properties prop = new Properties();
        try (final FileInputStream fis = new FileInputStream(propertiesFile)) {
            lastModified = propertiesFile.lastModified();
            prop.load(fis);

// generates CopyObjectResponse from etag and lastModified time.
func generateCopyObjectResponse(etag string, lastModified time.Time) CopyObjectResponse {
	return CopyObjectResponse{
		ETag:         "\"" + etag + "\"",
		LastModified: amztime.ISO8601Format(lastModified.UTC()),
	}
}

// generates CopyObjectPartResponse from etag and lastModified time.

	// set common headers
	setCommonHeaders(w)

	// Set last modified time.
	lastModified := objInfo.ModTime.UTC().Format(http.TimeFormat)
	w.Header().Set(xhttp.LastModified, lastModified)

	// Set Etag if available.
	if objInfo.ETag != "" {
		w.Header()[xhttp.ETag] = []string{"\"" + objInfo.ETag + "\""}
	}

	if objInfo.ContentType != "" {

    private var servedDate: Date? = null
    private var servedDateString: String? = null

    /** The last modified date of the cached response, if known. */
    private var lastModified: Date? = null
    private var lastModifiedString: String? = null

    /**
     * The expiration date of the cached response, if known. If both this field and the max age are
     * set, the max age is preferred.