public sealed class PingReceivedEventArgs : System.EventArgs 

public class PingReceiver
{
    private readonly IPortScannerDetectionService _portScannerDetectionService;
            
    public PingReceiver(IPortScannerDetectionService portScannerDetectionService)
    {
        _portScannerDetectionService = portScannerDetectionService;
        _portScannerDetectionService.OnPingReceived += HandlePingReceived;
    }
            
    private void HandlePingReceived(object sender, PingReceivedEventArgs e)
    {
        Console.WriteLine($"Last ping received at: {e.LastPing.ReceivedUtc}");
        Console.WriteLine($"Data from last ping: {BitConverter.ToString(e.LastData)}");
            
        foreach (var receivedTime in e.PingsReceived)
        {
            Console.WriteLine($"Previous ping received at: {receivedTime}");
        }
    }
}