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);

            final Date lastModified = FessFunctions.parseDate(lastModifiedObj.toString());
            if (lastModified != null) {
                return lastModified;
            }
        } else if ((lastModifiedObj instanceof final String[] lastModifieds) && (lastModifieds.length > 0)) {
            final Date lastModified = FessFunctions.parseDate(lastModifieds[0]);
            if (lastModified != null) {

// 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 != "" {

                    return true;
                }

                final Date lastModified = DocumentUtil.getValue(document, fessConfig.getIndexFieldLastModified(), Date.class);
                if (lastModified == null) {
                    return true;
                }
                urlQueue.setLastModified(lastModified.getTime());
                log(logHelper, LogType.CHECK_LAST_MODIFIED, crawlerContext, urlQueue);

    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.

	}
	return os.ModePerm
}

var minFileDate = time.Date(1980, 1, 1, 0, 0, 0, 0, time.UTC) // Workaround for Filezilla

func (m *minioFileInfo) ModTime() time.Time {
	if !m.info.LastModified.IsZero() {
		return m.info.LastModified
	}
	return minFileDate
}

func (m *minioFileInfo) IsDir() bool {
	return m.isDir
}

func (m *minioFileInfo) Sys() interface{} {
	return nil
}

	// Headers to be set of object content is not going to be written to the client.
	writeHeaders := func() {
		// set common headers
		setCommonHeaders(w)

		// set object-related metadata headers
		w.Header().Set(xhttp.LastModified, objInfo.ModTime.UTC().Format(http.TimeFormat))

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

                    map.put("id", Base64.getUrlEncoder().encodeToString(name.getBytes(StandardCharsets.UTF_8)));
                    map.put("name", name);
                    try {
                        map.put("lastModified", new Date(Files.getLastModifiedTime(filePath).toMillis()));
                    } catch (final IOException e) {
                        throw new IORuntimeException(e);
                    }

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