void set_timer(int msec);
void wait_for_stop_or_ponderhit();
void stop_thinking();
void start_thinking(const Position& pos, const Search::LimitsType& limits,
void set_timer(int msec);
void wait_for_stop_or_ponderhit();
void stop_thinking();
void start_thinking(const Position& pos, const Search::LimitsType& limits,