private static int GetValueCount(HttpHeaders.HeaderStoreItemInfo info)
        {
            int valueCount = 0;

            HttpHeaders.UpdateValueCount <string>(info.RawValue, ref valueCount);
            HttpHeaders.UpdateValueCount <string>(info.InvalidValue, ref valueCount);
            HttpHeaders.UpdateValueCount <object>(info.ParsedValue, ref valueCount);
            return(valueCount);
        }