docs: public double getAverageFiringTime() {
          long fires = this.agendaStats.getConsolidatedStats().matchesFired.get();
          long time = this.agendaStats.getConsolidatedStats().firingTime.get();
          // calculating the average and converting it from nano secs to milli secs
          return fires > 0 ? (((double) time / (double) fires) / (double) NANO_TO_MILLISEC) : 0;
      }