# System.Diagnostics

``` diff
 namespace System.Diagnostics {
     public readonly struct ActivityContext : IEquatable<ActivityContext> {
-        public ActivityContext(ActivityTraceId traceId, ActivitySpanId spanId, ActivityTraceFlags traceOptions, string traceState = null, bool isRemote = false);
+        public ActivityContext(ActivityTraceId traceId, ActivitySpanId spanId, ActivityTraceFlags traceFlags, string traceState = null, bool isRemote = false);
     }
 }
```

