return data;
    }

    /**
     * Gets the timestamp value from this AV pair
     *
     * @return the timestamp
     */
    public long getTimestamp() {
        return SMBUtil.readInt8(getRaw(), 0);
    }

        bufferIndex += 4;
        this.mid = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        if ((this.flags & SMB2_FLAGS_ASYNC_COMMAND) == SMB2_FLAGS_ASYNC_COMMAND) {
            // async
            this.async = true;
            this.asyncId = SMBUtil.readInt8(buffer, bufferIndex);
            bufferIndex += 8;
        } else {
            // sync

        bufferIndex += 8;
        this.changeTime = SMBUtil.readTime(buffer, bufferIndex);
        bufferIndex += 8;

        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        this.fileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        int bytesWritten = info.encode(buffer, 0);

        // Verify bytes written
        assertEquals(8, bytesWritten);

        // Verify encoded value
        long decodedValue = SMBUtil.readInt8(buffer, 0);
        assertEquals(endOfFile, decodedValue);
    }

    @Test
    @DisplayName("Test encode with offset")
    void testEncodeWithOffset() {
        long endOfFile = 0xFEDCBA9876543210L;

        assertEquals(0, SMBUtil.readInt4(buffer, 44));

        // Verify lease duration at offset 48 (44 + 4 for flags) - should be 0 (reserved)
        assertEquals(0, SMBUtil.readInt8(buffer, 48));
    }

     * @param bufferIndex starting index
     * @return decoded transform
     */
    public static Smb2RdmaTransform decode(byte[] buffer, int bufferIndex) {
        long offset = SMBUtil.readInt8(buffer, bufferIndex);
        int token = SMBUtil.readInt4(buffer, bufferIndex + 8);
        int length = SMBUtil.readInt4(buffer, bufferIndex + 12);
        return new Smb2RdmaTransform(offset, token, length);
    }

        bufferIndex += 2;

        // Read flags
        header.flags = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        // Read session ID
        header.sessionId = SMBUtil.readInt8(buffer, bufferIndex);

        return header;
    }

    /**
     * Get the associated data for AEAD encryption (everything except signature)
     *
     * @return byte array containing associated data

     * @param src the source byte array
     * @param srcIndex the starting index in the source array
     * @return the 64-bit integer value
     */
    public static long readInt8(final byte[] src, final int srcIndex) {
        return (readInt4(src, srcIndex) & 0xFFFFFFFFL) + ((long) readInt4(src, srcIndex + 4) << 32);
    }

    /**

    @Test
    void testInt8ReadWrite() {
        byte[] buffer = new byte[8];
        long value = 0x123456789ABCDEF0L;
        ServerMessageBlock.writeInt8(value, buffer, 0);
        assertEquals(value, ServerMessageBlock.readInt8(buffer, 0));
    }

    @Test
    void testTimeReadWrite() {
        byte[] buffer = new byte[8];
        long time = System.currentTimeMillis();
        ServerMessageBlock.writeTime(time, buffer, 0);

        // Verify directory-specific data
        assertEquals(DirectoryCacheScope.RECURSIVE_TREE.ordinal(), SMBUtil.readInt4(buffer, 56)); // CacheScope
        assertEquals(45000L, SMBUtil.readInt8(buffer, 60)); // MaxCacheAge

        // Verify flags (RECURSIVE_TREE + NOTIFICATIONS)
        int expectedFlags = DirectoryLeaseContext.DIRECTORY_LEASE_FLAG_RECURSIVE | DirectoryLeaseContext.DIRECTORY_LEASE_FLAG_NOTIFICATIONS;