code: func (r *responseStats) logFinal() {
  	r.lock.Lock()
  	defer r.lock.Unlock()
  	r.totalCount += r.count
  	for code, count := range r.statusCodes {
  		r.totalStatusCodes[code] += count
  	}
  	logrus.WithFields(logrus.Fields{
  		"total attempted sends":               r.totalCount,
  		"number sent by response status code": r.totalStatusCodes,
  	}).Info("Total number of events sent")
  }
docs: // log the total count on its own