/**
   * Like [Object.wait], but throws an [InterruptedIOException] when interrupted instead of the more
   * awkward [InterruptedException].
   */
  @Throws(InterruptedIOException::class)
  internal fun waitForIo() {
    try {
      condition.await()
    } catch (_: InterruptedException) {
      Thread.currentThread().interrupt() // Retain interrupted status.
      throw InterruptedIOException()
    }
  }

  /**

 *
 * <p>Future that delegates to another but will finish early (via a {@link TimeoutException} wrapped
 * in an {@link ExecutionException}) if the specified duration expires. The delegate future is
 * interrupted and cancelled if it times out.
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
final class TimeoutFuture<V extends @Nullable Object> extends FluentFuture.TrustedFuture<V> {

   * If the timeout expires, not only will the output future finish, but also the input future
   * ({@code this}) will be cancelled and interrupted.
   *
   * @param timeout when to time out the future
   * @param scheduledExecutor The executor service to enforce the timeout.
   * @since 28.0 (but only since 33.4.0 in the Android flavor)
   */

	}

	if err = fw.Start(); err != nil {
		return fmt.Errorf("failure running port forward process: %v", err)
	}

	// Close the forwarder either when we exit or when an this processes is interrupted.
	defer fw.Close()
	dashboard.ClosePortForwarderOnInterrupt(fw)

	log.Debugf("port-forward to prometheus pod ready")

	promAPI, err := prometheusAPI(fmt.Sprintf("http://%s", fw.Address()))
	if err != nil {

        }

        indexUpdater.setFinishCrawling(true);
        try {
            indexUpdater.join();
        } catch (final InterruptedException e) {
            logger.warn("Interrupted index update.", e);
        }

        crawlingInfoHelper.putToInfoMap(Constants.WEB_FS_INDEX_EXEC_TIME, Long.toString(indexUpdater.getExecuteTime()));

 *   <li>Tasks may be of type {@code AsyncCallable}.
 *   <li>Running tasks <i>cannot</i> be interrupted. (Note that {@code newSequentialExecutor} does
 *       not return {@code Future} objects, so it doesn't support interruption directly, either.
 *       However, utilities that <i>use</i> that executor have the ability to interrupt tasks
 *       running on it. This class, by contrast, does not expose an {@code Executor} API.)
 * </ul>
 *

        executor.submit(
            new Runnable() {
              @Override
              public void run() {
                boolean createSymlink = false;
                while (!Thread.interrupted()) {
                  try {
                    // trying to switch between a real directory and a symlink (dir -> /a)
                    if (Files.deleteIfExists(file)) {
                      if (createSymlink) {

                executorService.awaitTermination(60, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Interrupted.", e);
                }
            } finally {
                executorService.shutdownNow();
            }
        }
    }

        executor.submit(
            new Runnable() {
              @Override
              public void run() {
                boolean createSymlink = false;
                while (!Thread.interrupted()) {
                  try {
                    // trying to switch between a real directory and a symlink (dir -> /a)
                    if (Files.deleteIfExists(file)) {
                      if (createSymlink) {

                    // immediately
                    Thread.sleep(500 + RAND.nextInt(1000));
                }
            }
            catch ( InterruptedException e ) {
                log.debug("interrupted sleep in send", e);
            }

            if ( request != null ) {
                log.debug("Restting request");
                request.reset();
            }
            if ( rpath != null ) {