virtual void OnPostLocalTopicChange(User* user, Channel* chan, const std::string &topic);
virtual void OnWallops(User* user, const std::string &text);
virtual void OnUserNotice(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list);
virtual void OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list);
virtual void OnBackgroundTimer(time_t curtime);
virtual void OnPostLocalTopicChange(User* user, Channel* chan, const std::string &topic);
virtual void OnWallops(User* user, const std::string &text);
virtual void OnUserNotice(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list);
virtual void OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list);
virtual void OnBackgroundTimer(time_t curtime);