public DurationTracker(AppTelemetry telemetry, string metricName)
{
_telemetry = telemetry;
_metricName = metricName;
_stopwatch = Stopwatch.StartNew();
}
public SupressionToken(AppTelemetry appTelemetry)
{
_appTelemetry = appTelemetry;
Interlocked.Increment(ref _appTelemetry._supressionCount);
}