*
   * <p>Note that if {@code s} is a {@code Multiset<String>}, then {@code
   * ImmutableSortedMultiset.copyOf(s)} returns an {@code ImmutableSortedMultiset<String>}
   * containing each of the strings in {@code s}, while {@code ImmutableSortedMultiset.of(s)}
   * returns an {@code ImmutableSortedMultiset<Multiset<String>>} containing one element (the given
   * multiset itself).
   *

- Introduced the alpha `MutableSchedulingDirectivesForSuspendedJobs` feature gate (disabled by default), which allows mutating a Job's scheduling directives while the Job is suspended. 

   *
   * <p>Note that if {@code list} is a {@code List<String>}, then {@code ImmutableList.copyOf(list)}
   * returns an {@code ImmutableList<String>} containing each of the strings in {@code list}, while
   * {@code ImmutableList.of(list)} returns an {@code ImmutableList<List<String>>} containing one
   * element (the given list itself).
   *

   * no-op if the background thread was created successfully.
   */
  void cleanUp() {
    if (threadStarted) {
      return;
    }

    Reference<?> reference;
    while ((reference = queue.poll()) != null) {
      /*
       * This is for the benefit of phantom references. Weak and soft references will have already
       * been cleared by this point.
       */
      reference.clear();

ScaleTargetRef which points just to the resource being scaled.
        * In extensions/v1beta1 if CPUUtilization in HorizontalPodAutoscalerSpec was not
specified it was set to 80 by default while in autoscaling/v1 HPA object
without TargetCPUUtilizationPercentage specified is a valid object. Pod
autoscaler controller will apply a default scaling policy in this case which is

                try {
                    statusSetLatch.countDown();
                    // Poll for status change instead of fixed sleep
                    long startTime = System.currentTimeMillis();
                    while (System.currentTimeMillis() - startTime < 500) {
                        if (CrawlerStatus.DONE == crawlerContext.getStatus()) {
                            successCount.incrementAndGet();
                            break;

  }

  @Override
  public @Nullable K lastKey() {
    return sortedDelegate.lastKey();
  }

  @Nullable K higher(K k) {
    Iterator<K> iterator = keySet().tailSet(k).iterator();
    while (iterator.hasNext()) {
      K tmp = iterator.next();
      if (comparator().compare(k, tmp) < 0) {
        return tmp;
      }
    }
    return null;
  }

  @Override

                BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(dest))) {
            final byte[] buf = new byte[1024];
            int length;
            while (-1 < (length = in.read(buf))) {
                out.write(buf, 0, length);
                out.flush();
            }
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }

        private void loadFromZip(final URL zipUrl) {
            final ZipInputStream zis = new ZipInputStream(URLUtil.openStream(zipUrl));
            try {
                ZipEntry entry = null;
                while ((entry = ZipInputStreamUtil.getNextEntry(zis)) != null) {
                    entryNames.add(entry.getName());
                    ZipInputStreamUtil.closeEntry(zis);
                }
            } finally {

                    .execute()
                    .actionGet(settings.getSearchTimeout());
            String scrollId = response.getScrollId();
            try {
                while (scrollId != null) {
                    final SearchHit[] hits = response.getHits().getHits();
                    if (hits.length == 0) {
                        break;
                    }