// Write in little-endian format as specified by MS-SMB2
        bb.putInt(data1); // data1 (4 bytes, little-endian)
        bb.putShort(data2); // data2 (2 bytes, little-endian)
        bb.putShort(data3); // data3 (2 bytes, little-endian)

        // Last 8 bytes (data4) written directly as big-endian bytes
        // Extract individual bytes from leastSig and write them directly

    }

    /**
     * Verify that writeParameterWordsWireFormat writes the file id and the
     * unsigned time correctly.  The last write time is zero which should be
     * encoded as four 0xFF bytes by {@code writeUTime}.
     */
    @ParameterizedTest(name = "fid={0}, lastWriteTime={1}")
    @MethodSource("validParams")

     */
    int FILE_NOTIFY_CHANGE_SIZE = 0x00000008;

    /**
     * Any change to the last write-time of files in the watched directory or subtree causes a change notification wait
     * operation to return. The operating system detects a change to the last write-time only when the file is written
     * to the disk. For operating systems that use extensive caching, detection occurs only when the cache is

            assertDoesNotThrow(() -> request.setRemainingBytes(1024));
            assertDoesNotThrow(() -> request.setRemainingBytes(Integer.MAX_VALUE));
        }

        @Test
        @DisplayName("Should set write flags")
        void testSetWriteFlags() {
            assertDoesNotThrow(() -> request.setWriteFlags(0));
            assertDoesNotThrow(() -> request.setWriteFlags(0x01));

            DataOutputStream dos = new DataOutputStream(baos);

            // Write minimal PAC header
            dos.writeInt(Integer.reverseBytes(3)); // 3 buffers
            dos.writeInt(Integer.reverseBytes(PacConstants.PAC_VERSION));

            // Write buffer entries
            dos.writeInt(Integer.reverseBytes(PacConstants.LOGON_INFO));

     * @return The number of bytes written.
     */
    public static int write(final FileChannel channel, final ByteBuffer buffer) {
        assertArgumentNotNull("channel", channel);
        assertArgumentNotNull("buffer", buffer);

        try {
            return channel.write(buffer);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

        SMBUtil.writeInt4(STRUCTURE_SIZE, dst, dstIndex); // DataLength
        dstIndex += 4;

        // Write context name
        System.arraycopy(CONTEXT_NAME_BYTES, 0, dst, dstIndex, 4);
        dstIndex += 4;

        // Padding to align data to 8-byte boundary
        dstIndex += 4;

        // Write file ID (16 bytes)
        System.arraycopy(fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        // Should return true when write caching is enabled
        assertTrue(DirectoryLeaseState.canCacheModifications(Smb2LeaseState.SMB2_LEASE_WRITE_CACHING));
        assertTrue(DirectoryLeaseState.canCacheModifications(Smb2LeaseState.SMB2_LEASE_READ_WRITE));
        assertTrue(DirectoryLeaseState.canCacheModifications(DirectoryLeaseState.DIRECTORY_FULL));

        // Should return false when write caching is not enabled

        
        writeInt4(buffer, offset + 12, dataOffset - offset);  // DataOffset
        
        // Write context name
        System.arraycopy(getName().getBytes(), 0, buffer, offset + 16, getName().length());
        
        // Write lease data
        System.arraycopy(leaseKey.getKey(), 0, buffer, dataOffset, 16);  // LeaseKey

        }

        @Test
        @DisplayName("Should handle write at buffer boundary")
        void testWriteAtBufferBoundary() {
            request.setReadLength(1024);

            byte[] buffer = new byte[100];

            // Try to write at position that would exceed buffer