private async Task <Document> replaceWithUpperCaseComment(Document document, SyntaxTrivia commentTrivia, CancellationToken c)
{
var plainText = commentTrivia.ToString();
var contentText = commentTrivia.GetCommentContent().Trim();
var firstChar = contentText[0];
var newFirstChar = char.ToUpperInvariant(firstChar);
var newPlainText = plainText.ReplaceFirst(firstChar, newFirstChar);
var newTrivia = SyntaxFactory.Comment(newPlainText)
.WithAdditionalAnnotations(Formatter.Annotation);
var root = await document.GetSyntaxRootAsync();
var newRoot = root.ReplaceTrivia(commentTrivia, newTrivia);
var newDocument = document.WithSyntaxRoot(newRoot);
return(newDocument);
}
