startTask();
    try {
      command.run();
    } finally {
      endTask();
    }
  }

  @Override
  public boolean isShutdown() {
    synchronized (lock) {
      return shutdown;
    }
  }

  @Override
  public void shutdown() {
    synchronized (lock) {
      shutdown = true;
      if (runningTasks == 0) {
        lock.notifyAll();
      }
    }
  }

   *
   * @param queue the queue to be wrapped in a synchronized view
   * @return a synchronized view of the specified queue
   * @since 14.0
   */
  @J2ktIncompatible // Synchronized
  public static <E extends @Nullable Object> Queue<E> synchronizedQueue(Queue<E> queue) {
    return Synchronized.queue(queue, null);
  }

  /**

   *
   * @param queue the queue to be wrapped in a synchronized view
   * @return a synchronized view of the specified queue
   * @since 14.0
   */
  @J2ktIncompatible // Synchronized
  public static <E extends @Nullable Object> Queue<E> synchronizedQueue(Queue<E> queue) {
    return Synchronized.queue(queue, null);
  }

  /**

  fun newClientBuilder(): OkHttpClient.Builder = newClient().newBuilder()

  @Synchronized private fun addEvent(event: String) {
    if (recordEvents) {
      logger?.info(event)

      synchronized(clientEventsList) {
        clientEventsList.add(event)
      }
    }
  }

  @Synchronized private fun initUncaughtException(throwable: Throwable) {
    if (uncaughtException == null) {

   * into user code.
   *
   * @param enqueuedCall a call to enqueue in the synchronized block
   * @param finishedCall a call to finish in the synchronized block
   * @param finishedAsyncCall an async call to finish in the synchronized block
   */
  private fun promoteAndExecute(
    enqueuedCall: AsyncCall? = null,
    finishedCall: RealCall? = null,

                // we are in the transport thread, ie. on idle disconnecting
                // this is synchronous operation
                // This does not handle compound requests
                synchronized (this.inLock) {
                    final Long peekKey = peekKey();
                    if (peekKey == firstKey) {
                        doRecv(response);
                        response.received();

     * @return
     */
    private synchronized SmbTreeImpl getTreeInternal() {
        final SmbTreeImpl t = this.tree;
        if (t != null) {
            return t;
        }
        if (this.delegate != null) {
            return this.delegate.getTreeInternal();
        }
        return null;
    }

    /**
     * @param t
     */
    private synchronized void switchTree(final SmbTreeImpl t) {

            final SmbFile d = new SmbFile(f.getParent());
            final byte[] buf = new byte[1024];

            for (int ii = 0; ii < numIter; ii++) {

                synchronized (this) {
                    ltime = System.currentTimeMillis();
                    wait();
                }

                try {
                    final double r = Math.random();

    }

    @Override
    public synchronized void insert(final ProtwordsItem item) {
        try (ProtwordsUpdater updater = new ProtwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final ProtwordsItem item) {
        try (ProtwordsUpdater updater = new ProtwordsUpdater(item)) {

            }
        }
        obj = getCachedAddress(name);
        if (obj == null) {
            synchronized (this.inFlightLookups) {
                this.inFlightLookups.add(name);
            }
        }

        return obj;
    }

    private void updateLookupTable(final Name name) {
        synchronized (this.inFlightLookups) {
            this.inFlightLookups.remove(name);