private static Task <Document> ApplyFixAsync(CodeFixContext context, SyntaxNode syntaxRoot, SemanticModel semanticModel, ArgumentSyntax argument, bool isMember)
        {
            var text = ((LiteralExpressionSyntax)argument.Expression).Token.ValueText;
            var identifierNameSyntax = SyntaxFactory.IdentifierName(text);
            var expression           = isMember && !argument.UsesUnderscoreNames(semanticModel, context.CancellationToken)
                ? SyntaxFactory.MemberAccessExpression(
                SyntaxKind.SimpleMemberAccessExpression,
                SyntaxFactory.ThisExpression(),
                identifierNameSyntax)
                : (ExpressionSyntax)identifierNameSyntax;

            var argumentList = SyntaxFactory.ArgumentList(
                SyntaxFactory.SingletonSeparatedList(
                    SyntaxFactory.Argument(expression)));
            var nameofInvocation = SyntaxFactory.InvocationExpression(NameofIdentifier, argumentList);

            return(Task.FromResult(context.Document.WithSyntaxRoot(syntaxRoot.ReplaceNode(argument, argument.WithExpression(nameofInvocation)))));
        }