final int start = bufferIndex;
        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);

        if (structureSize != 89) {
            throw new SMBProtocolDecodingException("Structure size is not 89");
        }

        this.oplockLevel = buffer[bufferIndex + 2];
        this.openFlags = buffer[bufferIndex + 3];
        bufferIndex += 4;

            long chtime, long allocSize, long eof, int attrs, byte[] fileId) {
        byte[] body = new byte[2 + 2 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 4 + 16 + 4 + 4];
        int i = 0;
        SMBUtil.writeInt2(89, body, i); // StructureSize
        body[i + 2] = oplock;
        body[i + 3] = openFlags;
        i += 4;

        SMBUtil.writeInt4(createAction, body, i); // CreateAction
        i += 4;