Antlr4.StringTemplate.Misc.Utility.TrimOneTrailingNewline C# (CSharp) Method

        public static string TrimOneTrailingNewline(string s)
        {
            if (s.EndsWith("\r\n"))
                s = s.Substring(0, s.Length - 2);
            else if (s.EndsWith("\n"))
                s = s.Substring(0, s.Length - 1);
            return s;
        }