* 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}
   *

        byte[] buffer = new byte[1024];

        int length = testBlock.encode(buffer, 0);

        assertTrue(length > 0);
        assertNull(testBlock.getAndx()); // andx should be cleared when batching disabled
    }

    @Test
    @DisplayName("Test encode with andx command and batching enabled")
    void testEncodeWithAndxBatchingEnabled() {

  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,
  ) {

        TimeoutException.class, () -> getUninterruptibly(delayedFuture, 500, MILLISECONDS));
    assertTrue(Thread.interrupted()); // clears the interrupt state, too

    assertFalse(sleeper.completed);
    assertTrue(getUninterruptibly(delayedFuture));

    assertTrue(Thread.interrupted()); // clears the interrupt state, too
    assertTrue(sleeper.completed);
  }

  private static class SleepingRunnable implements Runnable {

    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();

        assertTrue(entry.hasChanges());
        assertFalse(entry.isComplete());

        entry.markComplete();

        assertTrue(entry.isComplete());
        assertFalse(entry.hasChanges()); // Changes are cleared when marked complete
    }

    @Test
    public void testInvalidate() {
        // Add some children
        entry.updateChild("file1.txt", 1024L, 1000L, false, 0x20, 500L, 800L);

    }

    @Test
    public void test_clearCache() {
        // Test that clearCache doesn't throw exception
        popularWordHelper.clearCache();

        // Verify cache is cleared (we can't directly test this without accessing the cache)
        // But we can test that it doesn't throw exceptions
        assertTrue(true);
    }

    @Test
    public void test_init_configuration() {

    /*
     * This is for the benefit of phantom references. Weak and soft references will have already
     * been cleared by this point.
     */
    reference.clear();

    if (reference == frqReference) {
      /*
       * The client no longer has a reference to the FinalizableReferenceQueue. We can stop.
       */
      return false;
    }

     *
     * @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);
        });

    /*
     * This is for the benefit of phantom references. Weak and soft references will have already
     * been cleared by this point.
     */
    reference.clear();

    if (reference == frqReference) {
      /*
       * The client no longer has a reference to the FinalizableReferenceQueue. We can stop.
       */
      return false;
    }