public override void UpdateSettings(ITagSourceSettings settings)
 {
     /*
      * triggered when settings change. You can change any private vars used by Update at this point.
      * After this function exits, Update will be called, so do not call it here.
      */
     _settings = (SampleWebTagSourceSettings)settings;
 }
        public SampleWebTagSourceInstance(SampleWebTagSourceSettings settings, string cacheTimestamp)
        {
            _settings = settings;

            /*
             * Update will be called every 10 minutes by default. You can change it with
             * UpdateRefreshInterval(TimeSpan.FromMinutes(settings.RefreshRateInMinutes));
             */
        }