*
 * @see Properties
 */
public class DynamicProperties extends Properties {

    private static final long serialVersionUID = 1L;

    /**
     * The interval in milliseconds to check for file modifications. Default is 5000ms.
     */
    protected long checkInterval = 5000L;

    /**
     * The timestamp of the last check for file modifications.
     */

    @Required
    @Min(value = 1)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer numOfThread;

    /** The interval time between crawl requests in milliseconds (required, 0 to 2147483647). */
    @Required
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer intervalTime;

    protected static final String ID_TOKEN = "id_token";

    /** OAuth2 authorization code parameter name. */
    protected static final String CODE = "code";

    /** Timeout for token acquisition in milliseconds. */
    protected long acquisitionTimeout = 30 * 1000L;

    /** Cache for storing group information to reduce API calls. */
    protected Cache<String, Pair<String[], String[]>> groupCache;

     */
    public String expiredTime;

    /**
     * The timestamp when this crawling session was created.
     * Stored as a long value representing milliseconds since epoch.
     */
    @ValidateTypeFailure
    public Long createdTime;

    /**
     * Initializes the form with default null values.

     * @return The current time.
     */
    public Date getCurrentTime() {
        return new Date(getCurrentTimeAsLong());
    }

    /**
     * Gets the current time in milliseconds.
     *
     * @return The current time in milliseconds.
     */
    public long getCurrentTimeAsLong() {
        return System.currentTimeMillis();
    }

    /**
     * Gets the current time as a LocalDateTime object.

    val responseBodySize = 8 * 1024 * 1024 // 8 MiB.
    server.enqueue(
      MockResponse()
        .setBody(Buffer().write(ByteArray(responseBodySize)))
        .throttleBody((64 * 1024).toLong(), 125, TimeUnit.MILLISECONDS),
    ) // 500 Kbps
    server.start()
    val call =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )

     */
    protected int thumbnailTaskBulkSize = 100;

    /**
     * Timeout in milliseconds for thumbnail task queue operations.
     */
    protected long thumbnailTaskQueueTimeout = 10 * 1000L;

    /**
     * Expiration time in milliseconds for no-image placeholder files.
     */
    protected long noImageExpired = 24 * 60 * 60 * 1000L; // 24 hours

    /**

     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this access token was last updated.
     * Stored as a long value representing milliseconds since epoch.
     * Used for audit trail and concurrency control.
     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the access token for optimistic locking.

     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this bad word entry was last updated.
     * Stored as a long value representing milliseconds since epoch.
     * Used for audit trail and concurrency control.
     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the bad word entry for optimistic locking.

     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this boost document configuration was last updated.
     * Stored as a long value representing milliseconds since epoch.
     * Used for audit trail and concurrency control.
     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**