awaitDone(() -> ref.get() == null);
  }

  /**
   * Tries to perform a "full" garbage collection cycle (including processing of weak references and
   * invocation of finalize methods) and waits for it to complete. Ensures that at least one weak
   * reference has been cleared and one {@code finalize} method has been run before this method
   * returns. This method may be useful when testing the garbage collection mechanism itself, or

    assertThat(log).containsExactly(
      "red:starting@0",
      "blue:starting@0",
    )
    assertThat(taskFaker.executeCallCount).isEqualTo(2)

    // Advance time until the tasks complete.
    taskFaker.advanceUntil(100.µs)
    assertThat(log).containsExactly(
      "red:starting@0",
      "blue:starting@0",
      "red:finishing@100000",
      "blue:finishing@100000",
    )

      @Override
      public Entry<E> next() {
        if (!hasNext()) {
          throw new NoSuchElementException();
        }
        // requireNonNull is safe because current is only nulled out after iteration is complete.
        Entry<E> result = wrapEntry(requireNonNull(current));
        prevEntry = result;
        if (current.succ() == header) {
          current = null;
        } else {
          current = current.succ();

        generator.setBaseDir(new File(System.getProperty("java.io.tmpdir")));
        generator.setCommandList(Arrays.asList("imagemagick", "convert", "${url}", "${outputFile}"));

        assertTrue("Complete configuration should be valid", true);

        // Test minimal configuration
        final CommandGenerator minimalGenerator = new CommandGenerator();

        configParameters = "config.equation=a=b+c\nfield.xpath.complex=//div[@class='content']";
        result = ParameterUtil.createConfigParameterMap(configParameters);
        assertEquals("a=b+c", result.get(ConfigName.CONFIG).get("equation"));
        assertEquals("//div[@class='content']", result.get(ConfigName.XPATH).get("complex"));

        // Test with special characters in keys and values

shift(e):yt.prefilters.push(e)}}),ce.speed=function(e,t,n){var r=e&&"object"==typeof e?ce.extend({},e):{complete:n||!n&&t||v(e)&&e,duration:e,easing:n&&t||t&&!v(t)&&t};return ce.fx.off?r.duration=0:"number"!=typeof r.duration&&(r.duration in ce.fx.speeds?r.duration=ce.fx.speeds[r.duration]:r.duration=ce.fx.speeds._default),null!=r.queue&&!0!==r.queue||(r.queue="fx"),r.old=r.complete,r.complete=function(){v(r.old)&&r.old.call(this),r.queue&&ce.dequeue(this,r.queue)},r},ce.fn.extend({fadeTo:function(e,t,n,r){return...

   *
   * <p>The table is serializable if {@code backingMap}, {@code factory}, the maps generated by
   * {@code factory}, and the table contents are all serializable.
   *
   * <p>Note: the table assumes complete ownership over of {@code backingMap} and the maps returned
   * by {@code factory}. Those objects should not be manually updated and they should not use soft,
   * weak, or phantom references.
   *

     * Returns a string in the format specified by {@link MoreObjects#toStringHelper(Object)}.
     *
     * <p>After calling this method, you can keep adding more properties to later call toString()
     * again and get a more complete representation of the same object; but properties cannot be
     * removed, so this only allows limited reuse of the helper instance. The helper allows

   *
   * <p>The returned {@link Future} is completed when the pipeline's computation completes, or when
   * the pipeline is cancelled.
   *
   * <p>All objects the pipeline has captured for closing will begin to be closed asynchronously
   * <b>after</b> the returned {@code Future} is done: the future completes before closing starts,
   * rather than once it has finished.
   *

    /**
     * Initializes the CrawlingConfigHelper by setting up the crawling configuration cache.
     * This method is called automatically after the bean construction is complete.
     * The cache is configured with a maximum size of 100 entries and expires after 10 minutes.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {