# System.Net.NetworkInformation

``` diff
 namespace System.Net.NetworkInformation {
     public abstract class IPInterfaceStatistics {
         public abstract long OutgoingPacketsDiscarded { get; }
     }
     public abstract class IPv4InterfaceStatistics {
         public abstract long OutgoingPacketsDiscarded { get; }
     }
     public class NetworkChange {
         public static event NetworkAddressChangedEventHandler NetworkAddressChanged;
         public static event NetworkAvailabilityChangedEventHandler NetworkAvailabilityChanged;
     }
     public abstract class NetworkInterface {
         public static int IPv6LoopbackInterfaceIndex { get; }
         public static int LoopbackInterfaceIndex { get; }
     }
 }
```

