* @return the count of access results
     */
    int getCount(String sessionId);

    /**
     * Deletes access results for the given session ID.
     *
     * @param sessionId the session ID
     */
    void delete(String sessionId);

    /**
     * Deletes all access results.
     */
    void deleteAll();

    /**
     * Returns the access result for the given session ID and URL.

    public void store(final FailureUrl failureUrl) {

        failureUrlBhv.insertOrUpdate(failureUrl, op -> {
            op.setRefreshPolicy(Constants.TRUE);
        });

    }

    /**
     * Deletes a failure URL entity from the data store.
     *
     * @param failureUrl the FailureUrl entity to delete
     */
    public void delete(final FailureUrl failureUrl) {

    int NO_URL_IN_QUEUE = 4;

    /** Constant indicating that the crawler is waiting for new URLs. */
    int WAIT_NEW_URL = 8;

    /**
     * Introduces a delay based on the specified type.
     *
     * @param type the type of delay to be introduced
     */
    void delay(int type);

   */
  @Override
  ListenableScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit);

  /**
   * @since 15.0 (previously returned ScheduledFuture)
   */
  @Override
  <V extends @Nullable Object> ListenableScheduledFuture<V> schedule(
      Callable<V> callable, long delay, TimeUnit unit);

  /**
   * @since 15.0 (previously returned ScheduledFuture)
   */
  @Override

                    // Check for potential overflow before multiplication
                    long delay = (retryDelayMs > Long.MAX_VALUE / multiplier) ? MAX_RETRY_DELAY
                            : Math.min(MAX_RETRY_DELAY, retryDelayMs * multiplier);
                    Thread.sleep(delay);
                }

                // Attempt to reset the connection
                connection.reset();

User-agent: FessCrawler
Disallow:           # allows all 

User-agent: BruteBot
Disallow: /
Allow: /foo/bar/
Crawl-delay: 1314000

# welcome!
User-agent: Googlebot
Crawl-delay: 1

User-agent: *
Disallow: /private/
Disallow: /help        # disallows /help.html, /help/index.html, etc.
Allow: /help/faq.html
Crawl-delay: 3

User-agent: Crawler
Disallow: /aaa

User-agent: Crawler/1.0
Disallow: /bbb

        // First access - should not delay
        final long start1 = System.nanoTime();
        controller.delayBeforeProcessing();
        final long elapsed1 = (System.nanoTime() - start1) / 1000000;
        assertTrue("First access should not delay", elapsed1 < 50);

        // Second access to same host - should delay
        q.setUrl("http://example.com/page2");

     * Inserts a URL queue.
     *
     * @param urlQueue The URL queue.
     */
    void insert(QUEUE urlQueue);

    /**
     * Deletes a URL queue.
     *
     * @param sessionId The session ID.
     */
    void delete(String sessionId);

    /**
     * Deletes all URL queues.
     */
    void deleteAll();

    /**
     * Offers all URL queues.
     *
     * @param sessionId The session ID.

 * task should not be executed again. Otherwise it returns a delay until the next execution.
 *
 * A task has at most one next execution. If the same task instance is scheduled multiple times, the
 * earliest one wins. This applies to both executions scheduled with [TaskRunner.Queue.schedule] and
 * those implied by the returned execution delay.
 *
 * Cancellation
 * ------------
 *

            if (!exponentialBackoff) {
                return initialDelayMs;
            }

            long delay = initialDelayMs;
            for (int i = 1; i < attemptNumber; i++) {
                delay = (long) (delay * backoffMultiplier);
            }

            return Math.min(delay, maxDelayMs);
        }

        public int getMaxAttempts() {
            return maxAttempts;
        }