void OnPostTopicChange(User* user, Channel* chan, const std::string &topic) CXX11_OVERRIDE;
void OnUserMessage(User* user, void* dest, int target_type, const std::string& text, char status, const CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE;
void OnBackgroundTimer(time_t curtime) CXX11_OVERRIDE;
void OnPostTopicChange(User* user, Channel* chan, const std::string &topic) CXX11_OVERRIDE;
void OnUserMessage(User* user, void* dest, int target_type, const std::string& text, char status, const CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE;
void OnBackgroundTimer(time_t curtime) CXX11_OVERRIDE;