internal string ReadSettingInternal(string key)
        {
            if (!ParagoServiceSettings.ValidateKey(key))
            {
                throw new ParagoServiceException("Setting key is not valid");
            }

            return(_settings.ContainsKey(key) ? _settings[key] : null);
        }
        internal void DeleteSettingInternal(string key)
        {
            if (!ParagoServiceSettings.ValidateKey(key))
            {
                throw new ParagoServiceException("Setting key is not valid");
            }

            if (_settings.ContainsKey(key))
            {
                _settings.Remove(key);
            }
        }