* @return A set of matched label values.
     */
    public Set<String> getMatchedLabelValueSet(final String path) {
        if (labelTypePatternList == null) {
            synchronized (this) {
                if (labelTypePatternList == null) {
                    buildLabelTypePatternList(ComponentUtil.getComponent(LabelTypeService.class).getLabelTypeList());
                }
            }
        }

        File f = new File(getBasedir(), path);

        f.createNewFile();

        return artifactRepositoryFactory.createArtifactRepository(
                "test", "file://" + f.getPath(), repoLayout, null, null);
    }

    protected String getRepositoryLayout() {
        return "default";
    }

    protected ArtifactRepository localRepository() throws Exception {

    void testNullDecryptionKey() {
        // When/Then
        assertThrows(NullPointerException.class, () -> {
            new Smb2EncryptionContext(1, DialectVersion.SMB311, testEncryptionKey, null);
        }, "Should throw NullPointerException for null decryption key");
    }

    @Test
    @DisplayName("Should accept null dialect during construction")
    void testNullDialect() {
        // When/Then

        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");
        }

   *
   * @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

        pathMappingHelper.setPathMappingList(sessionId, null);
        assertNull(pathMappingHelper.getPathMappingList(sessionId));
    }

    public void test_removePathMappingList_withNullSessionId() {
        pathMappingHelper.removePathMappingList(null);
    }

    public void test_getPathMappingList_withNullSessionId() {
        assertNull(pathMappingHelper.getPathMappingList(null));
    }

            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()) {

    }

    @Test
    @DisplayName("Test allowChain with null parameter")
    void testAllowChainWithNull() {
        // Given
        when(request.allowChain(null)).thenReturn(false);

        // When
        boolean result = request.allowChain(null);

        // Then
        assertFalse(result);
        verify(request, times(1)).allowChain(null);
    }

    @Test

        () -> map.putInstance((TypeToken<Integer>) null, Integer.valueOf(1)));
    map.putInstance(Integer.class, null);
    assertTrue(map.containsKey(TypeToken.of(Integer.class)));
    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Integer.class), null)));
    assertNull(map.get(TypeToken.of(Integer.class)));
    assertNull(map.getInstance(Integer.class));

    map.putInstance(Long.class, null);