LastCheckSuccess: time.Unix(0, 0),
			LastCheckFailure: time.Unix(0, 0),
			lastFullMinute:   serviceRTTMinuteStats{},
			currentMinute:    serviceRTTMinuteStats{},
		},
	}
	go plugin.doPeriodicHealthCheck()
	return &plugin
}

// AuthNSuccessResponse - represents the response from the authentication plugin
// service.
type AuthNSuccessResponse struct {