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

        public static string TrimOneStartingNewline(string s)
        {
            if (s.StartsWith("\r\n"))
                s = s.Substring(2);
            else if (s.StartsWith("\n"))
                s = s.Substring(1);
            return s;
        }