val delegate = delegate
    if (delegate != null) {
      this.delegate = null
      delegate.onClosed(webSocket, code, reason)
    } else {
      events.add(Closed(code, reason))
    }
  }

  override fun onFailure(
    webSocket: WebSocket,
    t: Throwable,
    response: Response?,
  ) {
    Platform.get().log("[WS $name] onFailure", Platform.INFO, t)

     * @return tree instance with the given type
     */
    <T extends SmbTree> T unwrap(Class<T> type);

    /**
     * {@inheritDoc}
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    void close();

    }

    @Test
    @DisplayName("close does nothing and does not touch handle")
    void close_doesNothing() throws Exception {
        // Arrange
        SmbPipeOutputStream out = newStream();
        // constructor already calls handle.getPipe(); clear interactions to focus on close()
        clearInvocations(handle);

        // Act
        out.close();

        // Assert

     */
    @Override
    public SmbResource next() {
        return null;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.CloseableIterator#close()
     */
    @Override
    public void close() throws CIFSException {
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.CloseableIterator#remove()
     */
    @Override
    public void remove() {
    }

    }

    // Test that close method exists (inherited)
    @Test
    public void test_closeMethodExists() {
        // Test that close method is available (inherited from parent)
        try {
            // Just verify the method exists, don't actually call it
            crawlerEngineClient.getClass().getMethod("close");
            assertTrue(true);

  }

  @Override
  public String toString() {
    return comparator
        + ":"
        + (lowerBoundType == CLOSED ? '[' : '(')
        + (hasLowerBound ? lowerEndpoint : "-\u221e")
        + ','
        + (hasUpperBound ? upperEndpoint : "\u221e")
        + (upperBoundType == CLOSED ? ']' : ')');
  }

  @Nullable T getLowerEndpoint() {
    return lowerEndpoint;
  }

    }

    /**
     * Test that close can be called multiple times safely.
     */
    @Test
    public void test_multipleCloseCallsSafe() throws Exception {
        RankFusionProcessor processor = new RankFusionProcessor();
        processor.setSearcher(new TestSearcher(100));
        processor.init();

        // First close
        processor.close();
        // Second close - should not throw exception

            protected SmbResource adapt(FileEntry e) {
                return mockResource1;
            }
        };

        // When
        iterator.close();

        // Then
        verify(mockDelegate).close();
    }

    /**
     * Test close method propagates exception.
     */
    @Test
    void testCloseWithException() throws CIFSException {
        // Given

    return getSubMultiset(0, elementSet.headIndex(upperBound, checkNotNull(boundType) == CLOSED));
  }

  @Override
  public ImmutableSortedMultiset<E> tailMultiset(E lowerBound, BoundType boundType) {
    return getSubMultiset(
        elementSet.tailIndex(lowerBound, checkNotNull(boundType) == CLOSED), length);
  }

  ImmutableSortedMultiset<E> getSubMultiset(int from, int to) {

  private final class In extends TestInputStream {

    In() throws IOException {
      super(new ByteArrayInputStream(bytes), options);
    }

    @Override
    public void close() throws IOException {
      inputStreamClosed = true;
      super.close();
    }
  }