public static final int SMB2_FLAGS_SERVER_TO_REDIR = 0x00000001;
    /**
     * Flag indicating this is an asynchronous command.
     */
    public static final int SMB2_FLAGS_ASYNC_COMMAND = 0x00000002;
    /**
     * Flag indicating this operation is related to the previous operation in a compound request.
     */
    public static final int SMB2_FLAGS_RELATED_OPERATIONS = 0x00000004;
    /**
     * Flag indicating the message is signed.

     */
    public static final int SMB2_CHANNEL_RDMA_V1 = 0x00000001;

    /**
     * SMB2 Channel constant for RDMA V1 invalidate
     * Used to indicate RDMA with invalidation
     */
    public static final int SMB2_CHANNEL_RDMA_V1_INVALIDATE = 0x00000002;

    /**
     * SMB2 RDMA Transform Capabilities negotiate context ID
     */

    /**
     * Kerberos checksum type for HMAC-SHA1-96 with AES-128.
     */
    public static final int HMAC_SHA1_96_AES128 = 0x0000000F;
    /**
     * Kerberos checksum type for HMAC-SHA1-96 with AES-256.
     */
    public static final int HMAC_SHA1_96_AES256 = 0x00000010;

    /**
     * Kerberos encryption type for ARCFOUR-HMAC (RC4-HMAC).
     */
    public static final int ETYPE_ARCFOUR_HMAC = 23;
    /**

    /** Resource state is unknown */
    public static final int WITNESS_RESOURCE_STATE_UNKNOWN = 0x00000000;
    /** Resource is available for use */
    public static final int WITNESS_RESOURCE_STATE_AVAILABLE = 0x00000001;
    /** Resource is unavailable */
    public static final int WITNESS_RESOURCE_STATE_UNAVAILABLE = 0x000000FF;

    /**
     * Creates a new empty witness notification.
     */
    public WitnessNotification() {

    private byte[] contextHandle;

    // Registration flags
    /** No special registration flags */
    public static final int WITNESS_REGISTER_NONE = 0x00000000;
    /** Register for IP address change notifications */
    public static final int WITNESS_REGISTER_IP_NOTIFICATION = 0x00000001;

    // Registration state
    private volatile WitnessRegistrationState state;
    private volatile long lastHeartbeat;

        void testFlagConstants() {
            assertEquals(0x00000001, ServerMessageBlock2.SMB2_FLAGS_SERVER_TO_REDIR);
            assertEquals(0x00000002, ServerMessageBlock2.SMB2_FLAGS_ASYNC_COMMAND);
            assertEquals(0x00000004, ServerMessageBlock2.SMB2_FLAGS_RELATED_OPERATIONS);
            assertEquals(0x00000008, ServerMessageBlock2.SMB2_FLAGS_SIGNED);
            assertEquals(0x00000070, ServerMessageBlock2.SMB2_FLAGS_PRIORITY_MASK);

    public static final int ERROR_SUCCESS = 0x00000000;
    /** Invalid parameter was passed to the operation */
    public static final int ERROR_INVALID_PARAMETER = 0x00000057;
    /** Buffer provided is insufficient */
    public static final int ERROR_INSUFFICIENT_BUFFER = 0x0000007A;
    /** Operation is not supported */
    public static final int ERROR_NOT_SUPPORTED = 0x00000032;
    /** Access denied to perform the operation */

        @DisplayName("Should preserve other flags when setting signed flag")
        void testSignPreservesOtherFlags() {
            // Set initial flags with some existing flags
            int initialFlags = 0x00000001 | 0x00000002 | 0x00000004;
            SMBUtil.writeInt4(initialFlags, data, 16);

            digest.sign(data, 0, data.length, request, response);

            int flags = SMBUtil.readInt4(data, 16);

    /**
     * Directory lease flag for recursive caching
     */
    public static final int DIRECTORY_LEASE_FLAG_RECURSIVE = 0x00000001;

    /**
     * Directory lease flag for enabling notifications
     */
    public static final int DIRECTORY_LEASE_FLAG_NOTIFICATIONS = 0x00000002;

    private Smb2LeaseKey leaseKey;
    private int leaseState;
    private DirectoryCacheScope cacheScope;
    private long maxCacheAge;

        assertEquals(domain.toUpperCase(), writtenDomain);
    }

    @ParameterizedTest
    @DisplayName("Test writeParametersWireFormat with various server types")
    @ValueSource(ints = { 0x00000000, 0x00000001, 0x00000801, 0x80000000, 0xFFFFFFFF })
    void testWriteParametersWireFormatVariousServerTypes(int serverType) {
        String domain = "DOMAIN";
        netServerEnum2 = new NetServerEnum2(realConfig, domain, serverType);