155   void print_event_info(std::ostream& info);
289   void print_event_info(std::ostream& info) { }  in print_event_info()  function
425   void print_event_info(std::ostream& info);
479   void print_event_info(std::ostream& info) {};  in print_event_info()  function
586   void print_event_info(std::ostream& info);
654   void print_event_info(std::ostream& info);
753   void print_event_info(std::ostream& info) {};  in print_event_info()  function
807   void print_event_info(std::ostream& info) { }  in print_event_info()  function
1044   void print_event_info(std::ostream& info) { }  in print_event_info()  function
1141   void print_event_info(std::ostream& info) { }  in print_event_info()  function
1243   void print_event_info(std::ostream& info) { }  in print_event_info()  function
1347   void print_event_info(std::ostream& info) { }  in print_event_info()  function