Microsoft.CodeAnalysis.ExtractMethod.AbstractExtractMethodService<TStatementSyntax, TExecutableStatementSyntax, TExpressionSyntax>.SelectionValidator.UpdateSelectionInfo(Microsoft.CodeAnalysis.ExtractMethod.AbstractExtractMethodService<TStatementSyntax, TExecutableStatementSyntax, TExpressionSyntax>.InitialSelectionInfo, System.Threading.CancellationToken)