ndrBuffer.advance(10);
        assertEquals(10, ndrBuffer.getLength());

        ndrBuffer.setLength(20);
        assertEquals(20, ndrBuffer.getLength());

        // Test with derived buffer
        NdrBuffer derived = ndrBuffer.derive(0);
        derived.setLength(5);
        assertEquals(5, derived.getLength());
        assertEquals(5, ndrBuffer.getLength()); // Should affect original's deferred length
    }

         */
        public int getLength() {
            return length;
        }

        /**
         * Sets the total length of the notification response.
         *
         * @param length the length in bytes of the entire notification response
         */
        public void setLength(int length) {
            this.length = length;
        }

        /**

        @Test
        @DisplayName("Should get length")
        void testGetLength() {
            assertEquals(0, testMessage.getLength());
            byte[] buffer = new byte[1024];
            testMessage.setBytesWritten(20);
            testMessage.encode(buffer, 0);
            assertTrue(testMessage.getLength() > 0);
        }

        @Test
        @DisplayName("Should get status")
        void testGetStatus() {

     * Returns the length of data in the buffer.
     *
     * @return the data length
     */
    public int getLength() {
        return deferred.length;
    }

    /**
     * Sets the length of data in the buffer.
     *
     * @param length the new data length
     */
    public void setLength(final int length) {
        deferred.length = length;
    }

    /**

     * Returns the length of data in the buffer.
     *
     * @return the data length
     */
    public int getLength() {
        return this.deferred.length;
    }

    /**
     * Sets the length of data in the buffer.
     *
     * @param length the new data length
     */
    public void setLength(final int length) {
        this.deferred.length = length;
    }

    /**

        when(mockRequest.getSignSeq()).thenReturn(10);
        when(mockRequest.getCommand()).thenReturn((int) ServerMessageBlock.SMB_COM_WRITE);
        when(mockRequest.getLength()).thenReturn(100);

        // Sign the data
        signDigest.sign(data, 0, data.length, mockRequest, null);

        // Create a new digest for verification with same key

        }
    }
    
    private void handleRdmaRead(Smb2ReadRequest request) throws IOException {
        // Allocate buffer for read data
        ByteBuffer readBuffer = bufferManager.allocateBuffer(request.getLength());
        RdmaMemoryRegion readRegion = provider.registerMemory(readBuffer, 
            EnumSet.of(RdmaAccess.LOCAL_WRITE, RdmaAccess.REMOTE_WRITE));
        
        try {

            final NodeList snapshotNodeList = doc.getElementsByTagName("snapshot");
            if (snapshotNodeList.getLength() > 0) {
                final NodeList nodeList = snapshotNodeList.item(0).getChildNodes();
                for (int i = 0; i < nodeList.getLength(); i++) {
                    final Node node = nodeList.item(i);
                    if ("timestamp".equalsIgnoreCase(node.getNodeName())) {

    public static void appendChildren(final NodeList children, final StringBuilder buf) {
        assertArgumentNotNull("children", children);
        assertArgumentNotNull("buf", buf);

        final int length = children.getLength();
        for (int i = 0; i < length; ++i) {
            appendNode(children.item(i), buf);
        }
    }

    /**
     * Appends the string representation of a {@link NamedNodeMap}.
     *

            final int length = msg.getLength() - raxr.getDataLength();
            update(data, index, length - SmbConstants.SIGNATURE_OFFSET - 8);
            update(raxr.getData(), raxr.getOffset(), raxr.getDataLength());
        } else {
            update(data, index, msg.getLength() - SmbConstants.SIGNATURE_OFFSET - 8);
        }
        final byte[] signature = digest();