public static bool TryCreate(out IConfigTestDataService service)
        {
            var hasKeys = ConfigurationManager.AppSettings.AllKeys.Any(k => PrefixRegex.IsMatch(k));

            if (hasKeys)
            {
                service = new AppConfigTestDataService(ConfigurationManager.AppSettings);
                return(true);;
            }

            service = null;
            return(false);
        }
        public static bool TryCreate(out IConfigTestDataService service)
        {
            var hasKeys = ConfigurationManager.AppSettings.AllKeys.Any(k => PrefixRegex.IsMatch(k));

            if (hasKeys)
            {
                service = new AppConfigTestDataService(ConfigurationManager.AppSettings);
                return true;;
            }
            
            service = null;
            return false;
        }