public Dictionary <string, XmlElementSyntax> CreateNameElementMap(DocumentationCommentTriviaSyntax comment)
        {
            var dic = new Dictionary <string, XmlElementSyntax>();

            foreach (XmlElementSyntax element in comment.Elements(ElementName, ElementNameUppercase))
            {
                string name = DocumentationCommentRefactoring.GetAttributeValue(element, "name");

                if (!dic.ContainsKey(name))
                {
                    dic.Add(name, element);
                }
            }

            return(dic);
        }