+ void sendAnnounce(const std::string &action,
+ const std::vector<std::string> &clients_names = std::vector<std::string>(),
+ const double uptime = 0, const u32 game_time = 0,
+ const float lag = 0, const std::string &gameid = "",
+ const std::vector<ModSpec> &mods = std::vector<ModSpec>());