int readHeaderWireFormat(final byte[] buffer, final int bufferIndex) {
        command = buffer[bufferIndex + CMD_OFFSET];
        errorCode = readInt4(buffer, bufferIndex + ERROR_CODE_OFFSET);
        flags = buffer[bufferIndex + FLAGS_OFFSET];
        flags2 = readInt2(buffer, bufferIndex + FLAGS_OFFSET + 1);
        tid = readInt2(buffer, bufferIndex + TID_OFFSET);
        pid = readInt2(buffer, bufferIndex + TID_OFFSET + 2);

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

    /**
     * Reads the contents of the file channel into a byte buffer.
     *
     * @param channel
     *            The file channel. Must not be {@literal null}.
     * @param buffer

        buffer[20] = 1; // Revision
        buffer[21] = 0; // Sbz1
        SMBUtil.writeInt2(0x8004, buffer, 22); // Control flags
        SMBUtil.writeInt4(0, buffer, 24); // Owner offset
        SMBUtil.writeInt4(0, buffer, 28); // Group offset
        SMBUtil.writeInt4(0, buffer, 32); // SACL offset
        SMBUtil.writeInt4(0, buffer, 36); // DACL offset

        byte[] buffer = new byte[4096];

        // When
        req.encode(buffer, 0);

        // Then
        byte[] pathBytes = longPath.getBytes(StandardCharsets.UTF_16LE);
        assertEquals(pathBytes.length, SMBUtil.readInt2(buffer, Smb2Constants.SMB2_HEADER_LENGTH + 6));
    }

    @Test
    @DisplayName("Should throw exception when buffer too small for path")

        request.setCloseFlags(testFlags);

        byte[] buffer = new byte[256];
        int written = request.writeBytesWireFormat(buffer, 0);

        assertEquals(24, written);
        assertEquals(24, SMBUtil.readInt2(buffer, 0));
        assertEquals(testFlags, SMBUtil.readInt2(buffer, 2));
    }

    @Test

            this.cacheScope = DirectoryCacheScope.values()[scopeOrdinal];
            dataOffset += 4;
            
            this.maxCacheAge = readInt8(buffer, dataOffset);
            dataOffset += 8;
            
            int flags = readInt4(buffer, dataOffset);
            dataOffset += 4;
            
            this.notificationFilter = readInt4(buffer, dataOffset);
        }

   * to buffer chunks; typically by using a buffered sink with this sink.
   */
  private inner class ChunkedSink : Sink {
    private val timeout = ForwardingTimeout(socket.sink.timeout())
    private var closed: Boolean = false

    override fun timeout(): Timeout = timeout

    override fun write(
      source: Buffer,
      byteCount: Long,
    ) {

        void testWriteBytesDoesNotOverflow() {
            byte[] buffer = new byte[100];
            // Fill buffer with known values
            for (int i = 0; i < buffer.length; i++) {
                buffer[i] = (byte) 0xFF;
            }

            int startIndex = 50;
            echoRequest.writeBytesWireFormat(buffer, startIndex);

            // Check bytes before written area are unchanged

        byte[] buffer = new byte[8];
        // numEntries = 2
        writeInt2(2, buffer, 0);
        // isEndOfSearch = false
        buffer[2] = 0x00;
        buffer[3] = 0x00;
        // eaErrorOffset = 3
        writeInt2(3, buffer, 4);
        // lastNameOffset = 4
        writeInt2(4, buffer, 6);

        int bytesRead = response.readParametersWireFormat(buffer, 0, buffer.length);

    }

    @Override
    protected int readBytesWireFormat(final byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
        final int start = bufferIndex;

        // Validate minimum buffer size for SMB2 negotiate response
        if (buffer == null || buffer.length < bufferIndex + 65) {
            throw new SMBProtocolDecodingException("Buffer too small for SMB2 negotiate response (minimum 65 bytes required)");
        }