if (cmd == 0x12) {
                return new Smb2OplockBreakNotification(getContext().getConfig());
            }
        } else {
            if (key != 0xFFFF) {
                return null;
            }
            final int cmd = this.sbuf[4 + 4];
            if (cmd == 0x24) {
                return new SmbComLockingAndX(getContext().getConfig());