in v2/health.go [112:118]
func (s *SenderHealthChecker) incHealthCheckMetric(namespaceName string, healthCheckErr error) {
if healthCheckErr != nil {
sender.Metric.IncHealthCheckFailureCount(namespaceName, s.EntityName)
} else {
sender.Metric.IncHealthCheckSuccessCount(namespaceName, s.EntityName)
}
}