}

    public void test_constructor_withNullComponentName() {
        // Test constructor with null component name
        ContainerNotAvailableException exception = new ContainerNotAvailableException((String) null);

        assertEquals("null is not available.", exception.getMessage());
        assertNull(exception.getCause());
        assertNull(exception.getComponentName());
    }

        if (data == null) {
            throw new CIFSException("Data cannot be null");
        }
        return compress(data, 0, data.length, algorithm);
    }

    @Override
    public byte[] compress(byte[] data, int offset, int length, int algorithm) throws CIFSException {
        if (data == null) {
            throw new CIFSException("Data cannot be null");
        }

        Map<String, Object> sourceMap = new HashMap<>();
        if (urlId != null) {
            addFieldToSource(sourceMap, "urlId", urlId);
        }
        if (docId != null) {
            addFieldToSource(sourceMap, "docId", docId);
        }
        if (order != null) {
            addFieldToSource(sourceMap, "order", order);
        }
        if (queryId != null) {
            addFieldToSource(sourceMap, "queryId", queryId);
        }

      Path file = createFile();
      if (initialBytes != null) {
        java.nio.file.Files.write(file, initialBytes);
        return MoreFiles.asByteSink(file, StandardOpenOption.APPEND);
      }
      return MoreFiles.asByteSink(file);
    }

    @Override
    public byte[] getExpected(byte[] bytes) {
      if (initialBytes == null) {
        return checkNotNull(bytes);
      } else {

    multimap().put(k3(), null);

    assertGet(k3(), Lists.newArrayList((V) null)); // ImmutableList.of can't take null.
    assertEquals(size + 1, multimap().size());
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPutNullValue_unsupported() {
    assertThrows(NullPointerException.class, () -> multimap().put(k1(), null));

    expectUnchanged();
  }

    multimap().put(k3(), null);

    assertGet(k3(), Lists.newArrayList((V) null)); // ImmutableList.of can't take null.
    assertEquals(size + 1, multimap().size());
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPutNullValue_unsupported() {
    assertThrows(NullPointerException.class, () -> multimap().put(k1(), null));

    expectUnchanged();
  }

        if (a.getVersion() != null) {
            result = 31 * result + a.getVersion().hashCode();
        }
        result = 31 * result + (a.getClassifier() != null ? a.getClassifier().hashCode() : 0);
        result = 31 * result + (a.getScope() != null ? a.getScope().hashCode() : 0);
        result = 31 * result
                + (a.getDependencyFilter() != null ? a.getDependencyFilter().hashCode() : 0);

   *
   * @throws IllegalArgumentException if the stream consists of two or more elements.
   * @throws NullPointerException if any element in the stream is {@code null}.
   * @return {@code Optional.of(onlyElement)} if the stream has exactly one element (must not be
   *     {@code null}) and returns {@code Optional.empty()} if it has none.
   */
  @SuppressWarnings("unchecked")
  public static <T> Collector<T, ?, Optional<T>> toOptional() {

    void constructor_shouldHandleNullServerSuccessfully() throws IOException {
        // Arrange
        String server = null;
        int access = 123;

        doAnswer(invocation -> {
            MsrpcLsarOpenPolicy2 rpc = invocation.getArgument(0);
            rpc.retval = 0; // Simulate success
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcLsarOpenPolicy2.class));

        // Act

            final SmbFileFilter ff) throws SmbException {
        try (CloseableIterator<SmbResource> it = doEnum(root, wildcard, searchAttributes,
                fnf == null ? null : new ResourceNameFilterWrapper(fnf), ff == null ? null : new ResourceFilterWrapper(ff))) {

            final List<SmbFile> list = new ArrayList<>();
            while (it.hasNext()) {
                try (SmbResource n = it.next()) {