public Map<String, Long> stopAllTimers() {
        Map<String, Long> result = allTimerTimes();
        STOP_WATCHES.clear();
        return result;
    }
public Map < String , Long > stopAllTimers ( ) { Map < String , Long > result = allTimerTimes ( ) ; STOP_WATCHES . clear ( ) ; return result ; }
Stops all running timers.
@return all stopped timers and their current times (in ms).