.build(),
    )
    val webSocket = newWebSocket()
    clientListener.assertOpen()
    val server = serverListener.assertOpen()

    // Initiate a close on the client, which will schedule a hard cancel in 500 ms.
    val closeAtNanos = System.nanoTime()
    webSocket.close(1000, "goodbye", 500L)
    serverListener.assertClosing(1000, "goodbye")

    // Confirm that the hard cancel occurred after 500 ms.

    override fun contentType() = delegate.contentType()

    override fun isDuplex() = true

    override fun writeTo(sink: BufferedSink) {
      executorService.schedule({
        try {
          delegate.writeTo(sink)
          sink.close()
        } catch (e: IOException) {
          throw RuntimeException(e)
        }
      }, delayMillis, TimeUnit.MILLISECONDS)
    }

            log.error("Failed to create handle state directory", e);
        }
        
        // Load persisted handles on startup
        loadPersistedHandles();
        
        // Schedule periodic persistence
        scheduler.scheduleAtFixedRate(this::persistHandles, 30, 30, TimeUnit.SECONDS);
    }
    
    public static class HandleInfo implements Serializable {
        private static final long serialVersionUID = 1L;

    /** The key of the message: General Config */
    public static final String LABELS_crawler_title_edit = "{labels.crawler_title_edit}";

    /** The key of the message: Schedule */
    public static final String LABELS_SCHEDULE = "{labels.schedule}";

    /** The key of the message: Enabled */
    public static final String LABELS_ENABLED = "{labels.enabled}";

    /** The key of the message: Delete old documents */

labels.excluded_doc_urls=要從搜尋中排除的URL
labels.user_agent=使用者代理
labels.web_crawling_button_create=建立
labels.web_crawling_button_create_job=建立新作業
labels.crawler_configuration=通用設定
labels.crawler_title_edit=通用設定
labels.schedule=排程
labels.enabled=啟用
labels.day_for_cleanup=刪除以前的文檔
labels.day=天
labels.crawl_button_update=更新
labels.none=無
labels.crawling_thread_count=同時爬蟲設定
labels.incremental_crawling=檢查上次修改時間

labels.user_agent=User-Agent
labels.web_crawling_button_create=Maken
labels.web_crawling_button_create_job=Nieuwe taak maken
labels.crawler_configuration=Algemene configuratie
labels.crawler_title_edit=Algemene configuratie
labels.schedule=Planning
labels.enabled=Ingeschakeld
labels.day_for_cleanup=Vorige documenten verwijderen
labels.day=dagen
labels.crawl_button_update=Bijwerken
labels.none=Geen

labels.user_agent=User-Agent
labels.web_crawling_button_create=Crea
labels.web_crawling_button_create_job=Crea nuovo lavoro
labels.crawler_configuration=Configurazione generale
labels.crawler_title_edit=Configurazione generale
labels.schedule=Pianificazione
labels.enabled=Abilitato
labels.day_for_cleanup=Elimina documenti precedenti
labels.day=giorni
labels.crawl_button_update=Aggiorna
labels.none=Nessuno

    Future<?> scheduled = executorService.schedule(task, delay, timeUnit);
    /*
     * Even when the user interrupts the task, we pass `false` to `cancel` so that we don't
     * interrupt a second time after the interruption performed by TrustedListenableFutureTask.
     */
    task.addListener(() -> scheduled.cancel(false), directExecutor());
    return task;
  }

  /**

## Metrics Request Handling

Each endpoint can be queried as needed via a scrape configuration in Prometheus or a compatible metrics collection tool. You should schedule scrape operations so a prior scrape completes before the next one begins.

labels.web_crawling_button_create=Erstellen
labels.web_crawling_button_create_job=Neuen Job erstellen
labels.crawler_configuration=Allgemeine Konfiguration
labels.crawler_title_edit=Allgemeine Konfiguration
labels.schedule=Zeitplan
labels.enabled=Aktiviert
labels.day_for_cleanup=Alte Dokumente löschen
labels.day=Tage
labels.crawl_button_update=Aktualisieren
labels.none=Keine