private static bool ContainsXmlParseDiagnostic(DocumentationCommentTriviaSyntax node)
        {
            if (!node.ContainsDiagnostics)
            {
                return false;
            }

            foreach (Diagnostic diag in node.GetDiagnostics())
            {
                if ((ErrorCode)diag.Code == ErrorCode.WRN_XMLParseError)
                {
                    return true;
                }
            }

            return false;
        }