*       time.
 *   <li>If you only access one end of the queue, and don't use a maximum size, this class is
 *       functionally equivalent to {@link PriorityQueue}, but significantly slower.
 * </ul>
 *
 * @author Sverre Sundsdal
 * @author Torbjorn Gannholm
 * @since 8.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault

            log.warn("Session was not properly released");
        }
    }


    /**
     * {@inheritDoc}
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    public void close () {
        release();
    }


    /**
     * 
     */
    public void release () {
        long usage = this.usageCount.decrementAndGet();

   * This means that if you are doing synchronous calls the network layer will not truly be idle
   * until every returned [Response] has been closed.
   */
  var idleCallback: Runnable? = null
    get() = this.withLock { field }
    set(value) {
      this.withLock { field = value }
    }

  private var executorServiceOrNull: ExecutorService? = null

	findClosestCommands := func(command string) []string {
		var closestCommands []string
		closestCommands = append(closestCommands, commandsTree.PrefixMatch(command)...)

		sort.Strings(closestCommands)
		// Suggest other close commands - allow missed, wrongly added and
		// even transposed characters
		for _, value := range commandsTree.Walk(commandsTree.Root()) {
			if sort.SearchStrings(closestCommands, value) < len(closestCommands) {
				continue

		return "", gcsToObjectError(err, gcs.Bucket, key)
	}

	if _, err := xioutil.Copy(w, data); err != nil {
		return "", gcsToObjectError(err, gcs.Bucket, key)
	}

	return "", w.Close()
}

// FIXME: add support for remote version ID in GCS remote tier and remove this.
// Currently it's a no-op.

  @SuppressWarnings("unchecked")
  static final ImmutableMap<Object, Object> EMPTY =
      new RegularImmutableMap<>((Entry<Object, Object>[]) ImmutableMap.EMPTY_ENTRY_ARRAY, null, 0);

  /**
   * Closed addressing tends to perform well even with high load factors. Being conservative here
   * ensures that the table is still likely to be relatively sparse (hence it misses fast) while
   * saving space.
   */

		if err != nil {
			return err
		}
		if etcdCfg.Enabled {
			etcdClnt, err := etcd.New(etcdCfg)
			if err != nil {
				return err
			}
			etcdClnt.Close()
		}
	case config.IdentityOpenIDSubSys:
		if _, err := openid.LookupConfig(s,
			NewHTTPTransport(), xhttp.DrainBody, globalSite.Region()); err != nil {
			return err
		}
	case config.IdentityLDAPSubSys:

		defer timeout(5 * time.Second)()
		rb.Reset()
		done := make(chan struct{})
		go func() {
			defer close(done)
			time.Sleep(10 * time.Millisecond)
			fn()
		}()
		rb.CloseWithError(errors.New("test error"))
		<-done

		rb.Reset()
		done = make(chan struct{})
		go func() {
			defer close(done)
			fn()
		}()
		time.Sleep(10 * time.Millisecond)
		rb.CloseWithError(errors.New("test error"))

            connectionMonitorTask.cancel();
        }
        if (httpClient != null) {
            try {
                httpClient.close();
            } catch (final IOException e) {
                logger.error("Failed to close httpClient.", e);
            }
            httpClient = null;
            if (clientConnectionManager != null) {
                clientConnectionManager.shutdown();
            }
        }

// connect to list of endpoints and load all Erasure disk formats, validate the formats are correct
// and are in quorum, if no formats are found attempt to initialize all of them for the first
// time. additionally make sure to close all the disks used in this attempt.