public string get_header_Name(HeaderRequest request)
        {
            string text = null;
            _headers.Value<string>(request.Name, x => text = x);

            return text;
        }
        public string get_header_Name(HeaderRequest request)
        {
            string text = null;

            _headers.Value <string>(request.Name, x => text = x);

            return(text);
        }