source.close()
    assertThat(relay.isClosed).isTrue()
    assertFile(Relay.PREFIX_CLEAN, 13L, metadata.size, "abcdefghijklm", metadata)
  }

  @Test
  fun multipleSources() {
    val upstream = Buffer()
    upstream.writeUtf8("abcdefghijklm")
    val relay = edit(file, upstream, metadata, 1024)
    val source1 = relay.newSource()!!.buffer()
    val source2 = relay.newSource()!!.buffer()

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

  /**
   * Duration-based overload of {@link #schedule(Runnable, long, TimeUnit)}.
   *
   * @since 29.0
   */
  @J2ktIncompatible
  default ListenableScheduledFuture<?> schedule(Runnable command, Duration delay) {
    return schedule(command, toNanosSaturated(delay), TimeUnit.NANOSECONDS);
  }

  /**

                    logger.debug("delay={}", delay);
                }
                Thread.sleep(delay);
            } while (delay > 2);

            synchronized (t) {
                t.notifyAll();
            }
            //System.out.println("numComplete=" + t.numComplete + ",numThreads=" + t.numThreads);
        }

        for (ti = 0; ti < t.numThreads; ti++) {

  }

  @Override
  public final ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
    return delegate.schedule(wrapTask(command), delay, unit);
  }

  @Override
  public final <V extends @Nullable Object> ScheduledFuture<V> schedule(
      Callable<V> task, long delay, TimeUnit unit) {
    return delegate.schedule(wrapTask(task), delay, unit);
  }

  @Override
  public final ScheduledFuture<?> scheduleAtFixedRate(

     * @param {string} options.prefix - Prefix to use for data attributes.
     * @param {number} options.startDelay - Delay before animation, in ms.
     * @param {number} options.typeDelay - Delay between each typed character, in ms.
     * @param {number} options.lineDelay - Delay between each line, in ms.
     * @param {number} options.progressLength - Number of characters displayed as progress bar.

        super();
    }

    /**
     * Gets the delay time in milliseconds after processing a URL.
     *
     * @return the delay time in milliseconds after processing
     */
    public long getDelayMillisAfterProcessing() {
        return delayMillisAfterProcessing;
    }

    /**
     * Sets the delay time in milliseconds after processing a URL.
     *

    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);

    /** Delay in milliseconds after processing a URL */
    protected long delayMillisAfterProcessing = 0L;

    /** Delay in milliseconds when no URL is in the queue */
    protected long delayMillisAtNoUrlInQueue = 500L;

    /** Delay in milliseconds before processing a URL */
    protected long delayMillisBeforeProcessing = 0L;

    /** Delay in milliseconds for waiting for new URLs */

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

 *
 * <p>
 * Subclasses are responsible for implementing the abstract methods to define the actual delay
 * mechanism for each of these stages.
 * </p>
 *
 * <p>
 * The class also provides a mechanism to ignore exceptions that may occur during the delay process.
 * If {@link #ignoreException} is set to true, any exceptions thrown during the delay will be caught
 * and ignored. Otherwise, they will be re-thrown as {@link CrawlerSystemException}.