public boolean offer(E e, long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().offer(e, timeout, unit);
  }

  @CanIgnoreReturnValue // TODO(kak): consider removing this
  @Override
  public @Nullable E poll(long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().poll(timeout, unit);
  }

  @Override
  public void put(E e) throws InterruptedException {
    delegate().put(e);
  }

  @CheckReturnValue
  @Override
  public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().awaitTermination(timeout, unit);
  }

  @Override
  public <T extends @Nullable Object> List<Future<T>> invokeAll(
      Collection<? extends Callable<T>> tasks) throws InterruptedException {
    return delegate().invokeAll(tasks);
  }

  @Override

    @Test
    void testInitializationWithoutMultiChannelSupport() throws IOException {
        when(mockConfig.isUseMultiChannel()).thenReturn(false);
        ChannelManager manager = new ChannelManager(mockContext, mockSession);

        manager.initializeMultiChannel();

        assertFalse(manager.isUseMultiChannel());
    }

    @Test
    void testGetHealthyChannels() throws UnknownHostException {

        itr.remove();
    }

    /**
     * @throws Exception
     */
    @Test
    public void testNext() throws Exception {
        final EnumerationIterator<String> itr = new EnumerationIterator<String>(new Vector<String>().elements());
        assertThat(itr.hasNext(), is(not(true)));
    }

    /**
     * @throws Exception
     */
    @Test(expected = NullArgumentException.class)

     * throws a RuntimeException when retrieving the nth element.
     *
     * If the PeekingIterator is caching elements too aggressively,
     * it may throw the exception on the (n-1)th element (oops!).
     */

    /* Checks the case where the first element throws an exception. */

    List<Integer> list = emptyList();

                        @Override
                        public InputStream getContentAsStream() throws IOException {
                            return new FileInputStream(testFile);
                        }

                        @Override
                        public void close() throws IOException {
                            // Nothing to close
                        }
                    };

    @Nested
    @DisplayName("readBytesWireFormat tests")
    class ReadBytesWireFormatTests {

        @Test
        @DisplayName("Should read valid structure with size 4")
        void testReadBytesWireFormatValid() throws SMBProtocolDecodingException {
            // Given
            byte[] buffer = new byte[10];
            int bufferIndex = 2;
            SMBUtil.writeInt2(4, buffer, bufferIndex); // Write structure size = 4

        assertNull(context.getSigningKey()); // Signing key should not be generated
    }

    @Test
    void testInitSecContext_invalidState() throws SmbException {
        // Test that calling initSecContext in an invalid state throws an exception
        when(mockAuth.getDomain()).thenReturn(domain);
        when(mockAuth.getUsername()).thenReturn(username);
        when(mockAuth.getPassword()).thenReturn(password);

    void overlapsThrowsCifsException() throws Exception {
        when(locator.overlaps(any())).thenThrow(new CIFSException("Simulated failure"));

        CIFSException ex = assertThrows(CIFSException.class, () -> locator.overlaps(other));
        assertTrue(ex.getMessage().contains("Simulated failure"));

        verify(locator).overlaps(other);
        verifyNoMoreInteractions(locator);
    }

  }

  public void testExecute_idempotentConcurrently() throws InterruptedException {
    CountDownLatch okayToRun = new CountDownLatch(1);
    AtomicInteger runCalled = new AtomicInteger();
    list.add(
        () -> {
          try {
            okayToRun.await();
          } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new RuntimeException(e);
          }