val request =
        readRequest(
          socket = socket,
          connectionIndex = connectionIndex,
          exchangeIndex = nextExchangeIndex++,
        )
      atomicRequestCount.incrementAndGet()
      requestQueue.add(request)

      if (request.failure != null) {
        return false // Nothing to respond to.
      }

      val response = dispatcher.dispatch(request)

      try {

    }

    /**
     * @param track
     * @return tree with increased usage count
     */
    public SmbTreeImpl acquire(final boolean track) {
        final long usage = this.usageCount.incrementAndGet();
        if (log.isTraceEnabled()) {
            log.trace("Acquire tree " + usage + " " + this);
        }

        if (track && this.traceResource) {
            synchronized (this.acquires) {

      val threadName = "SocksProxy ${serverSocket!!.localPort}"
      Thread.currentThread().name = threadName
      try {
        while (true) {
          val socket = serverSocket!!.accept()
          connectionCount.incrementAndGet()
          service(socket)
        }
      } catch (e: SocketException) {
        logger.info("$threadName done accepting connections: ${e.message}")
      } catch (e: IOException) {

        ThumbnailManager mockThumbnailManager = new ThumbnailManager() {
            @Override
            public int generate(ExecutorService executorService, boolean cleanup) {
                counter.incrementAndGet();
                // Return 0 to exit the loop
                return 0;
            }
        };
        ComponentUtil.register(mockThumbnailManager, "thumbnailManager");
    }

        if (counter == null) {
            counter = new AtomicLong(0);
            requestCounters.put(ip, counter);
        }

        final long count = counter.incrementAndGet();

        if (logger.isDebugEnabled()) {
            logger.debug("Request count: ip={}, count={}, max={}", ip, count, maxRequests);
        }

        if (count > maxRequests) {

        builder.build(
            new CacheLoader<String, Object>() {
              @Override
              public Object load(String key) throws InterruptedException {
                callCount.incrementAndGet();
                startSignal.await();
                return result;
              }
            });

    List<Object> resultArray = doConcurrentGet(cache, "bar", count, startSignal);

          if (asyncCall.callsPerHost.get() >= this.maxRequestsPerHost) continue // Host max capacity.

          i.remove()

          asyncCall.callsPerHost.incrementAndGet()
          callsToExecute.add(asyncCall)
          runningAsyncCalls.add(asyncCall)
        }

        return@synchronized Effects(
          callsToExecute = callsToExecute,

        release();
    }

    /**
     * @return tree handle with increased usage count
     */
    public SmbTreeHandleImpl acquire() {
        if (this.usageCount.incrementAndGet() == 1) {
            this.treeConnection.acquire();
        }
        return this;
    }

    @Override
    public void release() {
        final long us = this.usageCount.decrementAndGet();

 *
 * {@snippet :
 * final String name = ...;
 * inFlight.add(name);
 * ListenableFuture<Result> future = service.query(name);
 * future.addListener(new Runnable() {
 *   public void run() {
 *     processedCount.incrementAndGet();
 *     inFlight.remove(name);
 *     lastProcessed.set(name);
 *     logger.info("Done with {0}", name);
 *   }
 * }, executor);
 * }
 *
 * <h3>How to get an instance</h3>
 *

 *
 * {@snippet :
 * final String name = ...;
 * inFlight.add(name);
 * ListenableFuture<Result> future = service.query(name);
 * future.addListener(new Runnable() {
 *   public void run() {
 *     processedCount.incrementAndGet();
 *     inFlight.remove(name);
 *     lastProcessed.set(name);
 *     logger.info("Done with {0}", name);
 *   }
 * }, executor);
 * }
 *
 * <h3>How to get an instance</h3>
 *