namespace System.Diagnostics
{
    public sealed class ActivitySource : IDisposable
    {
        public Activity? StartActivity(ActivityKind kind, ActivityContext parentContext = default, IEnumerable<KeyValuePair<string!, object?>>? tags = null, IEnumerable<ActivityLink>? links = null, DateTimeOffset startTime = default, [CallerMemberName] string! name = "");
    }
}