internal static ITrackingSpan CreateTrackingSpan(this ITextSnapshot snapshot, CompilerMessage message, SpanTrackingMode trackingMode = SpanTrackingMode.EdgeExclusive)
        {
            SnapshotSpan span = snapshot.CreateSpan(message);

            return(snapshot.CreateTrackingSpan(span, trackingMode));
        }
 internal static SnapshotSpan CreateSpan(this ITextSnapshot snapshot, CompilerMessage message)
 {
     return(snapshot.CreateSpan(message.Range));
 }