public static string GetCountOrLengthPropertyName( ExpressionSyntax expression, SemanticModel semanticModel, CancellationToken cancellationToken = default) { ITypeSymbol typeSymbol = semanticModel.GetTypeSymbol(expression, cancellationToken); if (typeSymbol == null) { return(null); } return(SymbolUtility.GetCountOrLengthPropertyName(typeSymbol, semanticModel, expression.SpanStart)); }