assertThat(serverSocket.isClosed()).isTrue();
  }

  @SuppressWarnings("Java8ApiChecker")
  static class MyServerExampleWithCleaner implements AutoCloseable {
    private static final Cleaner cleaner = Cleaner.create();

    private static Runnable closeServerSocketRunnable(
        ServerSocket serverSocket, AtomicBoolean cleanerRan) {
      return () -> {
        try {
          serverSocket.close();

     *
     * @param form the search form
     * @return HTML response for the duplicate host list page with cleared search
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse reset(final SearchForm form) {
        duplicateHostPager.clear();
        return asHtml(path_AdminDuplicatehost_AdminDuplicatehostJsp).renderWith(data -> {
            searchPaging(data, form);

        IOException error = new IOException("Connection failed");
        failover.handleFailure(failedChannel, error);

        // Verify pending operations were cleared from failed channel
        assertEquals(0, failedChannel.getRequestsPending());

        // Verify alternative channel was selected and operation added
        verify(mockLoadBalancer).selectChannel(mockOperation);

   * clear()} clears all table mappings.
   */
  @WeakOuter
  private abstract class TableSet<T> extends ImprovedAbstractSet<T> {
    @Override
    public boolean isEmpty() {
      return backingMap.isEmpty();
    }

    @Override
    public void clear() {
      backingMap.clear();
    }
  }

  /**
   * {@inheritDoc}
   *

  private val name: String,
) : WebSocketListener() {
  private val events = LinkedBlockingQueue<Any>()
  private var delegate: WebSocketListener? = null

  /** Sets a delegate for handling the next callback to this listener. Cleared after invoked.  */
  fun setNextEventDelegate(delegate: WebSocketListener?) {
    this.delegate = delegate
  }

  override fun onOpen(
    webSocket: WebSocket,
    response: Response,
  ) {

     *
     * @param form the search form to reset
     * @return HTML response for the failure URL list page with cleared search
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse reset(final SearchForm form) {
        failureUrlPager.clear();
        return asHtml(path_AdminFailureurl_AdminFailureurlJsp).renderWith(data -> {
            searchPaging(data, form);
        });

        crawlingInfoHelper.putToInfoMap("error_count", "5");

        // Store with create=true
        crawlingInfoHelper.store(sessionId, true);

        // Verify infoMap is cleared
        assertNull(crawlingInfoHelper.infoMap);
    }

    public void test_store_existing() {
        final String sessionId = "existing-session";
        final CrawlingInfo existingInfo = new CrawlingInfo();

        for (WeakReference<Class<? extends Exception>> knownGood : validClasses) {
          if (exceptionClass.equals(knownGood.get())) {
            return;
          }
          // TODO(cpovirk): if reference has been cleared, remove it?
        }
        checkExceptionClassValidity(exceptionClass);

        /*
         * It's very unlikely that any loaded Futures class will see getChecked called with more

        for (WeakReference<Class<? extends Exception>> knownGood : validClasses) {
          if (exceptionClass.equals(knownGood.get())) {
            return;
          }
          // TODO(cpovirk): if reference has been cleared, remove it?
        }
        checkExceptionClassValidity(exceptionClass);

        /*
         * It's very unlikely that any loaded Futures class will see getChecked called with more

        assertSame(d, r1, "nextElement should return the same instance");
        // After first call isPrimary should be false
        assertFalse(d.getIsPrimary(), "isPrimary should be cleared after first call");
        // Second call keeps the same state
        SmbComTransactionResponse r2 = (SmbComTransactionResponse) d.nextElement();
        assertSame(d, r2, "Subsequent calls still return same instance");