public void clear() {
      ReferenceEntry<K, V> e = head.getNextInWriteQueue();
      while (e != head) {
        ReferenceEntry<K, V> next = e.getNextInWriteQueue();
        nullifyWriteOrder(e);
        e = next;
      }

      head.setNextInWriteQueue(head);
      head.setPreviousInWriteQueue(head);
    }

    @Override
    public Iterator<ReferenceEntry<K, V>> iterator() {

labels.query=Query
labels.queryId=Query ID
labels.rt=rt
labels.searchLog=Search Log
labels.sort=Sort
labels.start=Start
labels.loginRequired=Login Required
labels.loginLink=Show Login Link
labels.threadName=Thread Name
labels.url=URL
labels.userFavorite=Favorite Log
labels.userInfo=User Info
labels.webApiJson=JSON Response
labels.webConfigName=Web Crawl Config Name
labels.allLanguages=All Languages
labels.dictId=Dictionary ID

  /**
   * Cached value of #publicSuffixIndex(). Do not use directly.
   *
   * <p>Since this field isn't {@code volatile}, if an instance of this class is shared across
   * threads before it is initialized, then each thread is likely to compute their own copy of the
   * value.
   */
  @SuppressWarnings("Immutable")
  @LazyInit
  private int publicSuffixIndexCache = SUFFIX_NOT_INITIALIZED;

  /**

            }
            logger.info("Disconnected from {}", address);
        }
        connected = false;
    }

    /**
     * Gets the thread pool from the underlying client.
     *
     * @return The thread pool.
     */
    @Override
    public ThreadPool threadPool() {
        return client.threadPool();
    }

    /**

 * useForNull} has no effect on the instance it is invoked on! You must store and use the new joiner
 * instance returned by the method. This makes joiners thread-safe, and safe to store as {@code
 * static final} constants.
 *
 * {@snippet :
 * // Bad! Do not do this!
 * Joiner joiner = Joiner.on(',');
 * joiner.skipNulls(); // does nothing!

labels.queryId=Abfrage-ID
labels.rt=rt
labels.searchLog=Suchprotokoll
labels.sort=Sortieren
labels.start=Start
labels.loginRequired=Anmeldung erforderlich
labels.loginLink=Anmeldelink anzeigen
labels.threadName=Thread-Name
labels.url=URL
labels.userFavorite=Favoritenprotokoll
labels.userInfo=Benutzerinformationen
labels.webApiJson=JSON-Antwort
labels.webConfigName=Webcrawl-Konfigurationsname
labels.allLanguages=Alle Sprachen

        /**
         * Establishes a connection to the GCS service.
         * This method creates a GCS Storage client using environment variables for configuration.
         * This method is synchronized to ensure thread-safe connection initialization.
         *
         * @throws IOException If the connection cannot be established
         */
        @Override
        public synchronized void connect() throws IOException {

                throw new IOException("Failed to access " + url, e);
            }
        }

        /**
         * Gets the object head response from the S3 service.
         * This method caches the response to avoid repeated calls.
         *
         * @return The object head response
         * @throws IOException If an error occurs
         */
        private HeadObjectResponse getHeadObject() throws IOException {

    val b1 = source.readByte() and 0xff

    val isMasked = b1 and B1_FLAG_MASK != 0
    if (isMasked == isClient) {
      // Masked payloads must be read on the server. Unmasked payloads must be read on the client.
      throw ProtocolException(
        if (isClient) {
          "Server-sent frames must not be masked."
        } else {
          "Client-sent frames must be masked."

        /*
         * Note the Transport thread isn't running yet so we can
         * read from the socket here.
         */
        try {
            this.socket.setSoTimeout(this.transportContext.getConfig().getConnTimeout());
            if (peekKey() == null) { /* try to read header */
                throw new IOException("transport closed in negotiate");
            }