// 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();

        ArtifactTransferEvent event = wrap(transferEvent);

        Long transferred;
        synchronized (transfers) {
            transferred = transfers.remove(transferEvent.getResource());
        }
        if (transferred != null) {
            event.setTransferredBytes(transferred);
        }

        synchronized (artifacts) {
            artifacts.remove(transferEvent.getResource());
        }

  fun tearDown() {
    taskQueue.shutdown()
    taskQueue.idleLatch().await(10, TimeUnit.SECONDS)
  }

  @Synchronized fun sentPingCount(): Int = sentPingCount

  @Synchronized fun receivedPingCount(): Int = receivedPingCount

  @Synchronized fun receivedPongCount(): Int = receivedPongCount

  @Throws(IOException::class)
  override fun onReadMessage(text: String) {

  private val _failedRoutes = mutableSetOf<Route>()

  val failedRoutes: Set<Route>
    @Synchronized get() = _failedRoutes.toSet()

  /** Records a failure connecting to [failedRoute]. */
  @Synchronized fun failed(failedRoute: Route) {
    _failedRoutes.add(failedRoute)
  }

  /** Records success connecting to [route]. */
  @Synchronized fun connected(route: Route) {
    _failedRoutes.remove(route)
  }

          throw t;
        }
      }
      return;
    }

    /*
     * This is an unsynchronized read! After the read, the function returns immediately or acquires
     * the lock to check again. Since an IDLE state was observed inside the preceding synchronized
     * block, and reference field assignment is atomic, this may save reacquiring the lock when

          throw t;
        }
      }
      return;
    }

    /*
     * This is an unsynchronized read! After the read, the function returns immediately or acquires
     * the lock to check again. Since an IDLE state was observed inside the preceding synchronized
     * block, and reference field assignment is atomic, this may save reacquiring the lock when

  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) {

   * greater than the max size if a background deletion is pending.
   */
  @Synchronized
  @Throws(IOException::class)
  fun size(): Long {
    initialize()
    return size
  }

  @Synchronized
  @Throws(IOException::class)
  internal fun completeEdit(
    editor: Editor,
    success: Boolean,
  ) {
    val entry = editor.entry

     * java.lang.String)
     */
    @Override
    public void add(final String sessionId, final String url) {
        final Queue<UrlQueueImpl<Long>> urlQueueList = dataHelper.getUrlQueueList(sessionId);
        synchronized (urlQueueList) {
            final UrlQueueImpl<Long> urlQueue = new UrlQueueImpl<>();
            urlQueue.setSessionId(sessionId);
            urlQueue.setMethod(Constants.GET_METHOD);
            urlQueue.setUrl(url);

    enqueueHelper(event, label);
  }

  private void enqueueHelper(Event<L> event, Object label) {
    checkNotNull(event, "event");
    checkNotNull(label, "label");
    synchronized (listeners) {
      for (PerListenerQueue<L> queue : listeners) {
        queue.add(event, label);
      }
    }
  }

  /**