public ActivityContext(ActivityTraceId traceId, ActivitySpanId spanId, ActivityTraceFlags flags, ActivityTraceState traceState)
{
TraceId = traceId;
SpanId = spanId;
Flags = flags;
TraceState = traceState;
}
public ActivityContext(string traceParent, string traceState)
{
SpanId = ActivitySpanId.CreateFromString(traceParent.AsSpan(36, 16));
TraceId = ActivityTraceId.CreateFromString(traceParent.AsSpan(3, 32));
Flags = (ActivityTraceFlags)HexByteFromChars(traceParent[53], traceParent[54]);
TraceState = new ActivityTraceState(traceState);
}