@Mock
    private NameServiceClient nameServiceClient;

    /**
     * Sets up the mock objects before each test.
     * @throws CIFSException
     */
    @BeforeEach
    void setUp() throws CIFSException {
        ntlmServlet = new TestNtlmServlet();

        // Mock ServletConfig to provide initialization parameters
        Map<String, String> initParams = new HashMap<>();

     * @return the filesystem info cast to the specified type
     * @throws CIFSException if the information cannot be cast to the specified type
     */
    @SuppressWarnings("unchecked")
    public <T extends FileSystemInformation> T getInfo(final Class<T> clazz) throws CIFSException {
        if (!clazz.isAssignableFrom(this.info.getClass())) {
            throw new CIFSException("Incompatible file information class");
        }

    /**
     * Create a configuration backed by properties
     *
     * @param props properties object containing JCIFS configuration settings
     * @throws CIFSException if configuration initialization fails
     */
    public PropertyConfiguration(Properties props) throws CIFSException {
        super(false);
        initFromProperties(props);
        initDefaults(); // Use original initDefaults
    }

    /**

        assertTrue(ex instanceof CIFSException, "Should be a CIFSException subtype");

        // Assert throwing/catching behavior with assertThrows
        SMBProtocolDecodingException thrown = assertThrows(SMBProtocolDecodingException.class, () -> {
            throw new SMBProtocolDecodingException();
        }, "Should be throwable via assertThrows");

     * @return the info cast to the specified type
     * @throws CIFSException if the information cannot be cast to the specified type
     */
    @SuppressWarnings("unchecked")
    public <T extends FileInformation> T getInfo(final Class<T> type) throws CIFSException {
        if (!type.isAssignableFrom(this.info.getClass())) {
            throw new CIFSException("Incompatible file information class");
        }
        return (T) this.info;

     * @return the created channel group
     * @throws CIFSException if channel creation fails
     */
    public ChannelGroup createChannels(String sessionId, List<InetAddress> serverAddresses) throws CIFSException {
        if (sessionId == null || sessionId.isEmpty()) {
            throw new CIFSException("Session ID cannot be null or empty");
        }

     *
     * @param resource the SMB resource to test
     * @return whether the given resource should be included
     * @throws CIFSException if an error occurs while accessing the resource
     */
    boolean accept(SmbResource resource) throws CIFSException;

        assertDoesNotThrow(creds::refresh);
    }

    @Test
    @DisplayName("refresh throws CIFSException when configured to fail")
    void refresh_failure_throws_cifs() {
        TestCredentials creds = new TestCredentials("Z", false, false, new Subject(), true);
        CIFSException ex = assertThrows(CIFSException.class, creds::refresh);
        assertTrue(ex.getMessage().contains("refresh failed"));
    }

     *
     * @throws CIFSException if an error occurs while opening the file
     */
    public void open() throws CIFSException {
        try (SmbFileHandleImpl fh = ensureOpen()) {}
    }

    /**
     * @param file
     * @param openFlags
     * @return
     * @throws SmbException
     */
    synchronized SmbFileHandleImpl ensureOpen() throws CIFSException {

     * @param request the request to send
     * @param params optional request parameters
     * @return response message
     * @throws CIFSException if an error occurs sending the request
     */
    <T extends CommonServerMessageBlockResponse> T send(Request<T> request, RequestParam... params) throws CIFSException;