我有FileAggregateReport类:publicclassFileAggregateReport{publicGuidFileId{get;set;}publicGuidCorrelationId{get;set;}publicintNumberOfSupportedEngines{get;set;}publicintEnginesCompleted{get;set;}publicstringSHA256{get;set;}publicDateTimeScanDate{get;set;}publicListEngineReports{get;set;}}我正在尝试添加到列表E