*
     * @return password used when guest authentication is requested
     */
    String getGuestPassword();

    /**
     * Property {@code jcifs.smb.client.guestUsername}, defaults to GUEST
     *
     * @return username used when guest authentication is requested
     */
    String getGuestUsername();

    /**

    public static final String USER_DICT_PATH = "fess.user.dict.path";

    /** The text separator. */
    public static final String TEXT_SEPARATOR = " ";

    /** The default role for guest users. */
    public static final String DEFAULT_ROLE = "_guest_";

    /** The default document type. */
    public static final String DEFAULT_TYPE = "_doc";

        super(userInfo, tc.getConfig().getDefaultDomain(),
                tc.getConfig().getDefaultUsername() != null ? tc.getConfig().getDefaultUsername() : "GUEST",
                tc.getConfig().getDefaultPassword() != null ? tc.getConfig().getDefaultPassword() : "");
        this.context = tc;
    }

    /**
     * Create an {@code NtlmPasswordAuthentication} object from a

# Connection settings
jcifs.smb.client.connTimeout=35000
jcifs.smb.client.soTimeout=180000
jcifs.smb.client.responseTimeout=30000

# Authentication
jcifs.smb.client.domain=WORKGROUP
jcifs.smb.client.username=guest
jcifs.smb.client.password=

# Protocol versions (SMB1 to SMB 3.1.1)
jcifs.smb.client.minVersion=SMB1
jcifs.smb.client.maxVersion=SMB311

# Security
jcifs.smb.client.signingPreferred=false

     */
    @Override
    public CIFSContext withGuestCrendentials() {
        return withCredentials(new NtlmPasswordAuthenticator(null, null, (String) null, AuthenticationType.GUEST));
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.CIFSContext#getCredentials()
     */
    @Override
    public Credentials getCredentials() {
        return getDefaultCredentials();
    }

    protected boolean sendNTLMTargetName = true;
    private byte[] machineId;
    /** Username for guest authentication */
    protected String guestUsername = "GUEST";
    /** Password for guest authentication */
    protected String guestPassword = "";
    /** Whether to allow fallback to guest authentication */
    protected boolean allowGuestFallback = false;

        assertNotNull(wrappedContext);
        assertTrue(wrappedContext instanceof CIFSContextCredentialWrapper);
        // Verify that the new context uses NtlmPasswordAuthenticator (guest)
        assertTrue(wrappedContext.getCredentials() instanceof NtlmPasswordAuthenticator);
        assertTrue(wrappedContext.getCredentials().isGuest());
    }

    @Test
    void testGetCredentials() {

    @DisplayName("isAnonymous and isGuest are always false")
    void testIsAnonymousAndGuestFalse() {
        JAASAuthenticator auth = new JAASAuthenticator();
        // JAAS-based authenticator should never be anonymous or guest
        assertFalse(auth.isAnonymous());
        assertFalse(auth.isGuest());
    }

    @ParameterizedTest
    @EnumSource(SubjectVariant.class)
    @DisplayName("getSubject: caches results and refresh resets cache")

    }

    static final NtlmPasswordAuthentication NULL = new NtlmPasswordAuthentication("", "", "");
    static final NtlmPasswordAuthentication GUEST = new NtlmPasswordAuthentication("?", "GUEST", "");
    static final NtlmPasswordAuthentication DEFAULT = new NtlmPasswordAuthentication(null);

    /** The authentication domain */
    String domain;
    /** The username for authentication */

        }

        @Override
        public void refresh() throws CIFSException {
            // no-op for tests
        }

        @Override
        public boolean isGuest() {
            return false; // not guest for test purposes
        }

        @Override
        public boolean isAnonymous() {
            return false; // not anonymous for test purposes
        }

        @Override