private XDocument[] ReadXmlAnnotationDocsFromLog(Summary summary, CompetitionState competitionState)
        {
            competitionState.Logger.WriteLineInfo(
                $"{LogVerbosePrefix} Reading XML annotation documents from log '{PreviousRunLogUri}'.");

            var xmlAnnotationDocs = _annotationsCacheSlot[summary].GetOrAdd(
                PreviousRunLogUri,
                uri => XmlAnnotations.TryParseXmlAnnotationDocsFromLog(uri, competitionState));

            return(xmlAnnotationDocs);
        }