virtual bool writeMo(const BacklogMO &backlog) = 0;
virtual bool writeMo(const IrcServerMO &ircserver) = 0;
virtual bool writeMo(const UserSettingMO &userSetting) = 0;
virtual bool writeMo(const BacklogMO &backlog) = 0;
virtual bool writeMo(const IrcServerMO &ircserver) = 0;
virtual bool writeMo(const UserSettingMO &userSetting) = 0;