assertThat(server.takeRequest().exchangeIndex).isEqualTo(0)

    // Give the socket a chance to become stale.
    connection!!.idleAtNs -= IDLE_CONNECTION_HEALTHY_NS
    Thread.sleep(250)

    val requestB =
      Request(
        url = server.url("/"),
        body = "b".toRequestBody("text/plain".toMediaType()),
      )
    val responseB = client.newCall(requestB).execute()

        FtpClient client = new FtpClient() {
            @Override
            protected ResponseData getResponseData(final String uri, final boolean includeContent) {
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    throw new CrawlingAccessException(e);
                }
                return null;
            }
        };

        this.localInterfaces = new ArrayList<>();
        this.remoteInterfaces = new ArrayList<>();
        this.scheduler = Executors.newScheduledThreadPool(2, r -> {
            Thread t = new Thread(r, "MultiChannelScheduler");
            t.setDaemon(true);
            return t;
        });
        this.loadBalancer = new ChannelLoadBalancer(this);
        this.failover = new ChannelFailover(this);

      @Override
      public void run() {}
    }

    @Keep
    public static final class DummyThreadFactory implements ThreadFactory, Serializable {
      @Override
      public Thread newThread(Runnable r) {
        return new Thread(r);
      }
    }

    @Keep
    public static final class DummyExecutor implements Executor, Serializable {
      @Override
      public void execute(Runnable command) {}
    }

    assertThat(recordedRequest.url.encodedQuery).isEqualTo(
      "ct&dns=AAABAAABAAAAAAAABmdvb2dsZQNjb20AAAEAAQ",
    )

    assertThat(cacheEvents()).containsExactly(CacheMiss::class)

    Thread.sleep(2000)
    server.enqueue(
      dnsResponse(
        "0000818000010003000000000567726170680866616365626f6f6b03636f6d0000010001c00c000500010" +

        suggester.refresh();

        // Minimal sleep to ensure timestamp separation (reduced from 2000ms to 100ms total)
        Thread.sleep(50);
        ZonedDateTime threshold = ZonedDateTime.now();
        Thread.sleep(50);

        // Index new data after threshold
        suggester.indexer().indexFromDocument(new Map[] { Collections.singletonMap(field, (Object) "検索エンジン") });

        return executeGoal;
    }

    /**
     * @return True if the <code>Mojo</code> is thread-safe and can be run safely in parallel
     * @since 3.0-beta-2
     */
    public boolean isThreadSafe() {
        return threadSafe;
    }

    /**
     * @param threadSafe indicates that the mojo is thread-safe and can be run safely in parallel
     * @since 3.0-beta-2
     */

		"Cluster object size distribution", "range")
	usageVersionsDistributionMD = NewGaugeMD(usageVersionCountDistribution,
		"Cluster object version count distribution", "range")
)

// loadClusterUsageObjectMetrics - reads cluster usage metrics.
//
// This is a `MetricsLoaderFn`.
func loadClusterUsageObjectMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
	dataUsageInfo, err := c.dataUsageInfo.Get()
	if err != nil {

            if (!scheduler.awaitTermination(5, TimeUnit.SECONDS)) {
                scheduler.shutdownNow();
            }
        } catch (InterruptedException e) {
            scheduler.shutdownNow();
            Thread.currentThread().interrupt();
        }

        // Stop all change watchers
        for (String path : directoryCache.keySet()) {
            changeNotifier.stopWatching(path);
        }

        SmbClient client = new SmbClient() {
            @Override
            protected ResponseData getResponseData(final String uri, final boolean includeContent) {
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    throw new CrawlingAccessException(e);
                }
                return null;
            }
        };