@Override
    public boolean offer(E o) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.offer(o);
    }

    @Override
    public @Nullable E poll() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.poll();
    }

    @Override
    public E remove() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.remove();
    }

    @Override

        return instance;
    }

    /**
     * Starts the process.
     */
    public synchronized void start() {
        if (thread == null) {
            thread = new Thread(this, "CoreLib-TimeoutManager");
            thread.setDaemon(true);
            thread.start();
            if (logger.isDebugEnabled()) {
                logger.debug("TimeoutManager started.");
            }
        }
    }

  /**
   * Test that MockWebServer blocks for a call to enqueue() if a request is made before a mock
   * response is ready.
   */
  @Test
  fun dispatchBlocksWaitingForEnqueue() {
    Thread {
      try {
        Thread.sleep(1000)
      } catch (ignored: InterruptedException) {
      }
      server.enqueue(MockResponse().setBody("enqueued in the background"))
    }.start()

	return nil
}

// HostName returns the name of the local host.
func (m *Manager) HostName() string {
	return m.local
}

// Targets returns the names of all remote targets.
func (m *Manager) Targets() []string {
	var res []string
	for k := range m.targets {
		res = append(res, k)
	}
	return res
}

// debugMsg should *only* be used by tests.
//
//lint:ignore U1000 This is used by tests.

          @Override
          public Thread newThread(Runnable r) {
            Thread thread = new Thread(r);
            thread.setName(THREAD_NAME);
            thread.setPriority(THREAD_PRIORITY);
            thread.setDaemon(THREAD_DAEMON);
            thread.setUncaughtExceptionHandler(UNCAUGHT_EXCEPTION_HANDLER);
            return thread;
          }
        };

    Thread thread =

    /** The thread being monitored. */
    protected Thread runningThread;

    /** Flag indicating if the thread is still running. */
    protected AtomicBoolean running = new AtomicBoolean();

    /**
     * Constructs an AccessTimeoutTarget with the specified thread.
     * @param thread The thread to monitor.
     */
    public AccessTimeoutTarget(final Thread thread) {
        runningThread = thread;

				}
			}
		}
	}

	for k, v := range filterMap {
		seen.Add(strings.TrimPrefix(k, v))
	}

	seen.Remove(Default)
	targets := seen.ToSlice()
	sort.Strings(targets)
	targets = append([]string{Default}, targets...)

	return targets, nil
}

func getEnvVarName(subSys, target, param string) string {
	if target == Default {

            logger.warn("Failed to write thread dump: file={}", file, e);
        }
    }

    /**
     * Processes all thread information and sends it to the provided consumer.
     *
     * @param writer the consumer that will handle each line of thread dump output
     */
    public static void processThreadDump(final Consumer<String> writer) {

            te = null;
            thread = new Thread(this, name);
            thread.setDaemon(true);

            synchronized (thread) {
                thread.start();
                thread.wait(timeout); /* wait for doConnect */

                switch (state) {
                case 1: /* doConnect never returned */
                    state = 0;
                    thread = null;

type ResyncDecision struct {
	targets map[string]ResyncTargetDecision
}

// Empty returns true if no targets with resync decision present
func (r ResyncDecision) Empty() bool {
	return r.targets == nil
}

func (r ResyncDecision) mustResync() bool {
	for _, v := range r.targets {
		if v.Replicate {
			return true
		}
	}
	return false
}