/// <summary>
/// Adds a Span Reference with a FollowsFromRef to parent span.
/// If span == null, the option has no effect.
/// </summary>
/// <param name="span">Parent span</param>
public SpanBuilder FollowsFrom(ISpan span)
{
return(AsChildOf(span.GetSpanContext()));
}
/// <summary>
/// Adds a Span Reference with a ChildOfRef to parent span.
/// If span == null, the option has no effect.
/// </summary>
/// <param name="span">Parent span</param>
public SpanBuilder AsChildOf(ISpan span)
{
return(AsChildOf(span.GetSpanContext()));
}
