public static MaplePacket updateBuddyCapacity(int capacity) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();
        mplew.writeShort(SendPacketOpcode.BUDDYLIST);
        mplew.write(0x15);
        mplew.write(capacity);
        return mplew.getPacket();
    }