private static SyntaxTriviaList InsertDocumentationCommentTrivia(SyntaxTriviaList leadingTrivia, SyntaxTrivia commentTrivia)
        {
            int index = leadingTrivia.LastIndexOf(SyntaxKind.EndOfLineTrivia);

            if (index != -1)
            {
                return(leadingTrivia.Insert(index + 1, commentTrivia));
            }
            else
            {
                return(leadingTrivia.Insert(0, commentTrivia));
            }
        }