futures.add(
          executor.submit(
              new Callable<@Nullable Void>() {
                @Override
                public @Nullable Void call() throws Exception {
                  barrier.await();
                  Integer first = graph.nodes().iterator().next();
                  for (Integer node : graph.nodes()) {
                    Set<Integer> unused = graph.successors(node);
                  }

      futures.add(
          executor.submit(
              new Callable<@Nullable Void>() {
                @Override
                public @Nullable Void call() throws Exception {
                  barrier.await();
                  Integer first = graph.nodes().iterator().next();
                  for (Integer node : graph.nodes()) {
                    Set<Integer> unused = graph.successors(node);
                  }

katsuura.chiba.jp
katsuyama.fukui.jp
kaufen
kautokeino.no
kawaba.gunma.jp
kawachinagano.osaka.jp
kawagoe.mie.jp
kawagoe.saitama.jp
kawaguchi.saitama.jp
kawahara.tottori.jp
kawai.iwate.jp
kawai.nara.jp
kawaiishop.jp
kawajima.saitama.jp
kawakami.nagano.jp
kawakami.nara.jp
kawakita.ishikawa.jp
kawamata.fukushima.jp
kawaminami.miyazaki.jp
kawanabe.kagoshima.jp

  }

  /** For testing: force this web socket to release its threads. */
  @Throws(InterruptedException::class)
  fun tearDown() {
    taskQueue.shutdown()
    taskQueue.idleLatch().await(10, TimeUnit.SECONDS)
  }

  @Synchronized fun sentPingCount(): Int = sentPingCount

  @Synchronized fun receivedPingCount(): Int = receivedPingCount

          request: Request,
        ) {
          // Wait for the server to send the duplex response before acting on the 301 response
          // and resetting the stream.
          duplexResponseSent.await()
        }
      }
    client =
      client
        .newBuilder()
        .eventListener(eventRecorder.eventListener + requestHeadersEndListener)
        .build()
    val body =

   * connection is fine the ping will receive a pong; otherwise it won't.
   *
   * The deadline to respond to this ping attempts to limit the cost of being wrong. If it is too
   * long, streams created while we await the pong will reuse broken connections and inevitably
   * fail. If it is too short, slow connections will be marked as failed and extra TCP and TLS
   * handshakes will be required.
   *

            latch.countDown();
        }).error(t -> {
            t.printStackTrace();
            latch.countDown();
            fail();
        });
        latch.await();
        assertEquals(num, numObInputDoc.get());

        SuggestResponse response = suggester.suggest().setQuery("test").setSuggestDetail(true).execute().getResponse();
        assertEquals(1, response.getNum());
    }

labels.searchoptions_menu_num=Sayı
labels.searchoptions_num={0} sonuç
labels.searchoptions_menu_lang=Dil
labels.searchoptions_menu_labels=Etiketler
labels.error_title=Hata
labels.system_error_title=Sistem Hatası
labels.contact_site_admin=Lütfen site yöneticinizle iletişime geçin.
labels.request_error_title=Geçersiz İstek Biçimi.
labels.bad_request=URL'ye yaptığınız istek geçersiz.
labels.page_not_found_title=Sayfa Bulunamadı.

          call: Call,
          response: Response,
        ) {
          response.close()
          completionLatch.countDown()
        }
      }
    call.enqueue(callback)
    completionLatch.await()
    assertThat(eventRecorder.recordedEventTypes()).containsExactly(
      CallStart::class,
      ProxySelectStart::class,
      ProxySelectEnd::class,
      DnsStart::class,
      DnsEnd::class,

        // Test implementation
    }
    
    public boolean waitForNotification(long timeoutMs) throws InterruptedException {
        return latch.await(timeoutMs, TimeUnit.MILLISECONDS);
    }
    
    public boolean isNotificationReceived() {
        return notificationReceived;
    }
}
```

## 8. Error Handling and Reliability