public OperationMetricAttribute(string className, string tag = null, [CallerMemberName] string methodName = null) : base()
 {
     MetricsFactory.CreateMetric(className, methodName, tag);
 }
 public PerfomanceMetricAttribute(MetricTypes metricType, string methodName, string tag) : base()
 {
     MetricsFactory.CreateMetric(metricType, methodName, tag);
 }