code: func IncrementCounter(name string) error {
  	if metricSender == nil {
  		return nil
  	}
  	return metricSender.IncrementCounter(name)
  }
docs: // IncrementCounter sends an event to increment the named counter by one.
  // Maintaining the value of the counter is the responsibility of the receiver of
  // the event, not the process that includes this package.