* Get the value for the key 'query.highlight.no.match.size'. <br>
     * The value is, e.g. 0 <br>
     * comment: Size for no-match query highlight.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getQueryHighlightNoMatchSize();

    /**
     * Get the value for the key 'query.highlight.no.match.size' as {@link Integer}. <br>

                } catch (final Exception e) {
                    logger.warn("Could not close a process error stream.", e);
                } finally {
                    latch.countDown();
                }
            }, "ProcessCloser-error-" + sessionId).start();
            new Thread(() -> {
                try {
                    CloseableUtil.closeQuietly(process.getOutputStream());
                } catch (final Exception e) {

  /** Invokes {@code latch.}{@link CountDownLatch#await() await()} uninterruptibly. */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  public static void awaitUninterruptibly(CountDownLatch latch) {
    boolean interrupted = false;
    try {
      while (true) {
        try {
          latch.await();
          return;
        } catch (InterruptedException e) {
          interrupted = true;

    //                                                                           =========
    /** Helper for key match operations. */
    @Resource
    private KeyMatchHelper keyMatchHelper;

    /** Service for key match operations. */
    @Resource
    private KeyMatchService keyMatchService;

    /** Pager for key match list pagination. */
    @Resource
    private KeyMatchPager keyMatchPager;

    do {
      System.runFinalization();
      if (latch.getCount() == 0) {
        return;
      }
      System.gc();
      try {
        if (latch.await(1L, SECONDS)) {
          return;
        }
      } catch (InterruptedException ie) {
        throw new RuntimeException("Unexpected interrupt while waiting for latch", ie);
      }
    } while (System.nanoTime() - deadline < 0);

            CountDownLatch latch = new CountDownLatch(1);

            Thread waiter = new Thread(() -> {
                synchronized (response) {
                    try {
                        if (!response.isReceived()) {
                            response.wait(1000);
                        }
                        latch.countDown();
                    } catch (InterruptedException e) {

    do {
      System.runFinalization();
      if (latch.getCount() == 0) {
        return;
      }
      System.gc();
      try {
        if (latch.await(1L, SECONDS)) {
          return;
        }
      } catch (InterruptedException ie) {
        throw new RuntimeException("Unexpected interrupt while waiting for latch", ie);
      }
    } while (System.nanoTime() - deadline < 0);

                    executor.execute(new ResolveTask(
                            classLoader, latch, artifact, session, node.getRemoteRepositories(), result));
                } else {
                    latch.countDown();
                }
            }
            try {
                latch.await();
            } catch (InterruptedException e) {
                result.addErrorArtifactException(

    dispatcher = Dispatcher.legacyAsync();

    CyclicBarrier barrier = new CyclicBarrier(2);
    CountDownLatch latch = new CountDownLatch(2);

    new Thread(
            new Runnable() {
              @Override
              public void run() {
                try {
                  barrier.await();
                } catch (Exception e) {
                  throw new AssertionError(e);
                }

     * <li>{@code *,!repo1} = everything except {@code repo1}.</li>
     * </ul>
     *
     * @param originalRepository to compare for a match.
     * @param pattern used for match.
     * @return true if the repository is a match to this pattern.
     */
    static boolean matchPattern(ArtifactRepository originalRepository, String pattern) {
        boolean result = false;