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); }