anchor.diff:     * specified type. Default is [InternetAddressType.any].
      */
     external static Future<List<NetworkInterface>> list(
  -      {bool includeLoopback: false,
  -      bool includeLinkLocal: false,
  -      InternetAddressType type: InternetAddressType.any});
  +      {bool includeLoopback = false,
  +      bool includeLinkLocal = false,
  +      InternetAddressType type = InternetAddressType.any});
   }
   
   /**
  
positive.code: 
  /**
   * Events for the [RawSocket].
   */
  class RawSocketEvent {
    static const RawSocketEvent read = const RawSocketEvent._(0);
    static const RawSocketEvent write = const RawSocketEvent._(1);
    static const RawSocketEvent readClosed = const RawSocketEvent._(2);
    static const RawSocketEvent closed = const RawSocketEvent._(3);
  
    @Deprecated("Use read instead")
  
negative.code:   Future get done;
  }
  
  /// A data packet which is received by a [RawDatagramSocket].
  class Datagram {
    /// The actual bytes of the message.
    Uint8List data;
  
    /// The address of the socket which sends the data.
    InternetAddress address;
  
    /// The port of the socket which sends the data.
    int port;
  
    Datagram(this.data, this.address, this.port);
  