* @param time The expiration time.
     * @param showexpirationtime Show the expiration time?
     */
    private static final void addExpirationTime(MaplePacketLittleEndianWriter mplew, long time, boolean showexpirationtime) {
        mplew.writeInt(KoreanDateUtil.getItemTimestamp(time));
        mplew.write(showexpirationtime ? 1 : 2);
    }