private static void AlertReceiver_Received(object sender, LightingReceivedEventArgs e) { var asset = _assetStore.Get(e.Lightning.Latitude, e.Lightning.Longitude, 12); if (asset is null) { return; } var alreadyAlerted = _alertTracker.Any(a => a == asset.QuadKey); if (alreadyAlerted) { return; } _alertTracker.Add(asset.QuadKey); Console.WriteLine($"lightning alert for {asset.AssetOwner}:{asset.AssetName}"); }