# System.Diagnostics

``` diff
 namespace System.Diagnostics {
     public class Activity : IDisposable {
+        public bool HasRemoteParent { get; }
     }
     public readonly struct ActivityCreationOptions<T> {
+        public string? TraceState { get; set; }
     }
     public class Stopwatch {
+        public static TimeSpan GetElapsedTime(long startingTimestamp);
+        public static TimeSpan GetElapsedTime(long startingTimestamp, long endingTimestamp);
     }
 }
```

