private static async Task <Document> RefactorAsync(
Document document,
ArgumentSyntax argument,
ArgumentListSyntax argumentList,
CancellationToken cancellationToken)
{
SyntaxNode oldRoot = await document.GetSyntaxRootAsync(cancellationToken);
SeparatedSyntaxList <ArgumentSyntax> arguments = argumentList.Arguments;
int index = arguments.IndexOf(argument);
ArgumentSyntax nextArgument = arguments[index + 1]
.WithTriviaFrom(argument);
arguments = arguments
.Replace(argument, nextArgument);
arguments = arguments
.Replace(arguments[index + 1], argument.WithTriviaFrom(nextArgument));
ArgumentListSyntax newNode = argumentList.WithArguments(arguments);
SyntaxNode newRoot = oldRoot.ReplaceNode(argumentList, newNode);
return(document.WithSyntaxRoot(newRoot));
}
