System.Net.NetworkInformation.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// ------------------------------------------------------------------------------
// Changes to this file must follow the https://aka.ms/api-review process.
// ------------------------------------------------------------------------------

namespace System.Net.NetworkInformation
{
 public enum DuplicateAddressDetectionState
 {
 Invalid = 0,
 Tentative = 1,
 Duplicate = 2,
 Deprecated = 3,
 Preferred = 4,
 }
 public abstract partial class GatewayIPAddressInformation
 {
 protected GatewayIPAddressInformation() { }
 public abstract System.Net.IPAddress Address { get; }
 }
 public partial class GatewayIPAddressInformationCollection : System.Collections.Generic.ICollection<System.Net.NetworkInformation.GatewayIPAddressInformation>, System.Collections.Generic.IEnumerable<System.Net.NetworkInformation.GatewayIPAddressInformation>, System.Collections.IEnumerable
 {
 protected internal GatewayIPAddressInformationCollection() { }
 public virtual int Count { get { throw null; } }
 public virtual bool IsReadOnly { get { throw null; } }
 public virtual System.Net.NetworkInformation.GatewayIPAddressInformation this[int index] { get { throw null; } }
 public virtual void Add(System.Net.NetworkInformation.GatewayIPAddressInformation address) { }
 public virtual void Clear() { }
 public virtual bool Contains(System.Net.NetworkInformation.GatewayIPAddressInformation address) { throw null; }
 public virtual void CopyTo(System.Net.NetworkInformation.GatewayIPAddressInformation[] array, int offset) { }
 public virtual System.Collections.Generic.IEnumerator<System.Net.NetworkInformation.GatewayIPAddressInformation> GetEnumerator() { throw null; }
 public virtual bool Remove(System.Net.NetworkInformation.GatewayIPAddressInformation address) { throw null; }
 System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { throw null; }
 }
 public abstract partial class IcmpV4Statistics
 {
 protected IcmpV4Statistics() { }
 public abstract long AddressMaskRepliesReceived { get; }
 public abstract long AddressMaskRepliesSent { get; }
 public abstract long AddressMaskRequestsReceived { get; }
 public abstract long AddressMaskRequestsSent { get; }
 public abstract long DestinationUnreachableMessagesReceived { get; }
 public abstract long DestinationUnreachableMessagesSent { get; }
 public abstract long EchoRepliesReceived { get; }
 public abstract long EchoRepliesSent { get; }
 public abstract long EchoRequestsReceived { get; }
 public abstract long EchoRequestsSent { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long ErrorsReceived { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long ErrorsSent { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long MessagesReceived { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long MessagesSent { get; }
 public abstract long ParameterProblemsReceived { get; }
 public abstract long ParameterProblemsSent { get; }
 public abstract long RedirectsReceived { get; }
 public abstract long RedirectsSent { get; }
 public abstract long SourceQuenchesReceived { get; }
 public abstract long SourceQuenchesSent { get; }
 public abstract long TimeExceededMessagesReceived { get; }
 public abstract long TimeExceededMessagesSent { get; }
 public abstract long TimestampRepliesReceived { get; }
 public abstract long TimestampRepliesSent { get; }
 public abstract long TimestampRequestsReceived { get; }
 public abstract long TimestampRequestsSent { get; }
 }
 public abstract partial class IcmpV6Statistics
 {
 protected IcmpV6Statistics() { }
 public abstract long DestinationUnreachableMessagesReceived { get; }
 public abstract long DestinationUnreachableMessagesSent { get; }
 public abstract long EchoRepliesReceived { get; }
 public abstract long EchoRepliesSent { get; }
 public abstract long EchoRequestsReceived { get; }
 public abstract long EchoRequestsSent { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long ErrorsReceived { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long ErrorsSent { get; }
 public abstract long MembershipQueriesReceived { get; }
 public abstract long MembershipQueriesSent { get; }
 public abstract long MembershipReductionsReceived { get; }
 public abstract long MembershipReductionsSent { get; }
 public abstract long MembershipReportsReceived { get; }
 public abstract long MembershipReportsSent { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long MessagesReceived { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long MessagesSent { get; }
 public abstract long NeighborAdvertisementsReceived { get; }
 public abstract long NeighborAdvertisementsSent { get; }
 public abstract long NeighborSolicitsReceived { get; }
 public abstract long NeighborSolicitsSent { get; }
 public abstract long PacketTooBigMessagesReceived { get; }
 public abstract long PacketTooBigMessagesSent { get; }
 public abstract long ParameterProblemsReceived { get; }
 public abstract long ParameterProblemsSent { get; }
 public abstract long RedirectsReceived { get; }
 public abstract long RedirectsSent { get; }
 public abstract long RouterAdvertisementsReceived { get; }
 public abstract long RouterAdvertisementsSent { get; }
 public abstract long RouterSolicitsReceived { get; }
 public abstract long RouterSolicitsSent { get; }
 public abstract long TimeExceededMessagesReceived { get; }
 public abstract long TimeExceededMessagesSent { get; }
 }
 public abstract partial class IPAddressInformation
 {
 protected IPAddressInformation() { }
 public abstract System.Net.IPAddress Address { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract bool IsDnsEligible { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract bool IsTransient { get; }
 }
 public partial class IPAddressInformationCollection : System.Collections.Generic.ICollection<System.Net.NetworkInformation.IPAddressInformation>, System.Collections.Generic.IEnumerable<System.Net.NetworkInformation.IPAddressInformation>, System.Collections.IEnumerable
 {
 internal IPAddressInformationCollection() { }
 public virtual int Count { get { throw null; } }
 public virtual bool IsReadOnly { get { throw null; } }
 public virtual System.Net.NetworkInformation.IPAddressInformation this[int index] { get { throw null; } }
 public virtual void Add(System.Net.NetworkInformation.IPAddressInformation address) { }
 public virtual void Clear() { }
 public virtual bool Contains(System.Net.NetworkInformation.IPAddressInformation address) { throw null; }
 public virtual void CopyTo(System.Net.NetworkInformation.IPAddressInformation[] array, int offset) { }
 public virtual System.Collections.Generic.IEnumerator<System.Net.NetworkInformation.IPAddressInformation> GetEnumerator() { throw null; }
 public virtual bool Remove(System.Net.NetworkInformation.IPAddressInformation address) { throw null; }
 System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { throw null; }
 }
 public abstract partial class IPGlobalProperties
 {
 protected IPGlobalProperties() { }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract string DhcpScopeName { get; }
 public abstract string DomainName { get; }
 public abstract string HostName { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract bool IsWinsProxy { get; }
 public abstract System.Net.NetworkInformation.NetBiosNodeType NodeType { get; }
 public virtual System.IAsyncResult BeginGetUnicastAddresses(System.AsyncCallback? callback, object? state) { throw null; }
 public virtual System.Net.NetworkInformation.UnicastIPAddressInformationCollection EndGetUnicastAddresses(System.IAsyncResult asyncResult) { throw null; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.NetworkInformation.TcpConnectionInformation[] GetActiveTcpConnections();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.IPEndPoint[] GetActiveTcpListeners();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.IPEndPoint[] GetActiveUdpListeners();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.NetworkInformation.IcmpV4Statistics GetIcmpV4Statistics();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.NetworkInformation.IcmpV6Statistics GetIcmpV6Statistics();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("illumos")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("solaris")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("haiku")]
 public static System.Net.NetworkInformation.IPGlobalProperties GetIPGlobalProperties() { throw null; }
 public abstract System.Net.NetworkInformation.IPGlobalStatistics GetIPv4GlobalStatistics();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract System.Net.NetworkInformation.IPGlobalStatistics GetIPv6GlobalStatistics();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.NetworkInformation.TcpStatistics GetTcpIPv4Statistics();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.NetworkInformation.TcpStatistics GetTcpIPv6Statistics();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.NetworkInformation.UdpStatistics GetUdpIPv4Statistics();
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.NetworkInformation.UdpStatistics GetUdpIPv6Statistics();
 public virtual System.Net.NetworkInformation.UnicastIPAddressInformationCollection GetUnicastAddresses() { throw null; }
 public virtual System.Threading.Tasks.Task<System.Net.NetworkInformation.UnicastIPAddressInformationCollection> GetUnicastAddressesAsync() { throw null; }
 }
 public abstract partial class IPGlobalStatistics
 {
 protected IPGlobalStatistics() { }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract int DefaultTtl { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract bool ForwardingEnabled { get; }
 public abstract int NumberOfInterfaces { get; }
 public abstract int NumberOfIPAddresses { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract int NumberOfRoutes { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long OutputPacketRequests { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long OutputPacketRoutingDiscards { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long OutputPacketsDiscarded { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long OutputPacketsWithNoRoute { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long PacketFragmentFailures { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long PacketReassembliesRequired { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long PacketReassemblyFailures { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long PacketReassemblyTimeout { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long PacketsFragmented { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long PacketsReassembled { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long ReceivedPackets { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long ReceivedPacketsDelivered { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long ReceivedPacketsDiscarded { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long ReceivedPacketsForwarded { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long ReceivedPacketsWithAddressErrors { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long ReceivedPacketsWithHeadersErrors { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract long ReceivedPacketsWithUnknownProtocol { get; }
 }
 public abstract partial class IPInterfaceProperties
 {
 protected IPInterfaceProperties() { }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract System.Net.NetworkInformation.IPAddressInformationCollection AnycastAddresses { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract System.Net.NetworkInformation.IPAddressCollection DhcpServerAddresses { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.NetworkInformation.IPAddressCollection DnsAddresses { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract string DnsSuffix { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public abstract System.Net.NetworkInformation.GatewayIPAddressInformationCollection GatewayAddresses { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract bool IsDnsEnabled { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract bool IsDynamicDnsEnabled { get; }
 public abstract System.Net.NetworkInformation.MulticastIPAddressInformationCollection MulticastAddresses { get; }
 public abstract System.Net.NetworkInformation.UnicastIPAddressInformationCollection UnicastAddresses { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract System.Net.NetworkInformation.IPAddressCollection WinsServersAddresses { get; }
 public abstract System.Net.NetworkInformation.IPv4InterfaceProperties GetIPv4Properties();
 public abstract System.Net.NetworkInformation.IPv6InterfaceProperties GetIPv6Properties();
 }
 public abstract partial class IPInterfaceStatistics
 {
 protected IPInterfaceStatistics() { }
 public abstract long BytesReceived { get; }
 public abstract long BytesSent { get; }
 public abstract long IncomingPacketsDiscarded { get; }
 public abstract long IncomingPacketsWithErrors { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("linux")]
 public abstract long IncomingUnknownProtocolPackets { get; }
 public abstract long NonUnicastPacketsReceived { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("linux")]
 public abstract long NonUnicastPacketsSent { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long OutgoingPacketsDiscarded { get; }
 public abstract long OutgoingPacketsWithErrors { get; }
 public abstract long OutputQueueLength { get; }
 public abstract long UnicastPacketsReceived { get; }
 public abstract long UnicastPacketsSent { get; }
 }
 public abstract partial class IPv4InterfaceProperties
 {
 protected IPv4InterfaceProperties() { }
 public abstract int Index { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract bool IsAutomaticPrivateAddressingActive { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract bool IsAutomaticPrivateAddressingEnabled { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract bool IsDhcpEnabled { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("linux")]
 public abstract bool IsForwardingEnabled { get; }
 public abstract int Mtu { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("linux")]
 public abstract bool UsesWins { get; }
 }
 public abstract partial class IPv4InterfaceStatistics
 {
 protected IPv4InterfaceStatistics() { }
 public abstract long BytesReceived { get; }
 public abstract long BytesSent { get; }
 public abstract long IncomingPacketsDiscarded { get; }
 public abstract long IncomingPacketsWithErrors { get; }
 public abstract long IncomingUnknownProtocolPackets { get; }
 public abstract long NonUnicastPacketsReceived { get; }
 public abstract long NonUnicastPacketsSent { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public abstract long OutgoingPacketsDiscarded { get; }
 public abstract long OutgoingPacketsWithErrors { get; }
 public abstract long OutputQueueLength { get; }
 public abstract long UnicastPacketsReceived { get; }
 public abstract long UnicastPacketsSent { get; }
 }
 public abstract partial class IPv6InterfaceProperties
 {
 protected IPv6InterfaceProperties() { }
 public abstract int Index { get; }
 public abstract int Mtu { get; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("freebsd")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("osx")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
 public virtual long GetScopeId(System.Net.NetworkInformation.ScopeLevel scopeLevel) { throw null; }
 }
 public abstract partial class MulticastIPAddressInformation : System.Net.NetworkInformation.IPAddressInformation
 {
 protected MulticastIPAddressInformation() { }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract long AddressPreferredLifetime { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract long AddressValidLifetime { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract long DhcpLeaseLifetime { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract System.Net.NetworkInformation.DuplicateAddressDetectionState DuplicateAddressDetectionState { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract System.Net.NetworkInformation.PrefixOrigin PrefixOrigin { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract System.Net.NetworkInformation.SuffixOrigin SuffixOrigin { get; }
 }
 public partial class MulticastIPAddressInformationCollection : System.Collections.Generic.ICollection<System.Net.NetworkInformation.MulticastIPAddressInformation>, System.Collections.Generic.IEnumerable<System.Net.NetworkInformation.MulticastIPAddressInformation>, System.Collections.IEnumerable
 {
 protected internal MulticastIPAddressInformationCollection() { }
 public virtual int Count { get { throw null; } }
 public virtual bool IsReadOnly { get { throw null; } }
 public virtual System.Net.NetworkInformation.MulticastIPAddressInformation this[int index] { get { throw null; } }
 public virtual void Add(System.Net.NetworkInformation.MulticastIPAddressInformation address) { }
 public virtual void Clear() { }
 public virtual bool Contains(System.Net.NetworkInformation.MulticastIPAddressInformation address) { throw null; }
 public virtual void CopyTo(System.Net.NetworkInformation.MulticastIPAddressInformation[] array, int offset) { }
 public virtual System.Collections.Generic.IEnumerator<System.Net.NetworkInformation.MulticastIPAddressInformation> GetEnumerator() { throw null; }
 public virtual bool Remove(System.Net.NetworkInformation.MulticastIPAddressInformation address) { throw null; }
 System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { throw null; }
 }
 public enum NetBiosNodeType
 {
 Unknown = 0,
 Broadcast = 1,
 Peer2Peer = 2,
 Mixed = 4,
 Hybrid = 8,
 }
 public delegate void NetworkAddressChangedEventHandler(object? sender, System.EventArgs e);
 public delegate void NetworkAvailabilityChangedEventHandler(object? sender, System.Net.NetworkInformation.NetworkAvailabilityEventArgs e);
 public partial class NetworkAvailabilityEventArgs : System.EventArgs
 {
 internal NetworkAvailabilityEventArgs() { }
 public bool IsAvailable { get { throw null; } }
 }
 public partial class NetworkChange
 {
 [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
 [System.ObsoleteAttribute("This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.", true)]
 public NetworkChange() { }
 public static bool IsSupported { get { throw null; } }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("illumos")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("solaris")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("haiku")]
 public static event System.Net.NetworkInformation.NetworkAddressChangedEventHandler? NetworkAddressChanged { add { } remove { } }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("illumos")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("solaris")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("haiku")]
 public static event System.Net.NetworkInformation.NetworkAvailabilityChangedEventHandler? NetworkAvailabilityChanged { add { } remove { } }
 [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
 [System.ObsoleteAttribute("This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.", true)]
 public static void RegisterNetworkChange(System.Net.NetworkInformation.NetworkChange nc) { }
 }
 public partial class NetworkInformationException : System.ComponentModel.Win32Exception
 {
 public NetworkInformationException() { }
 public NetworkInformationException(int errorCode) { }
 [System.ObsoleteAttribute("This API supports obsolete formatter-based serialization. It should not be called or extended by application code.", DiagnosticId = "SYSLIB0051", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
 [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
 protected NetworkInformationException(System.Runtime.Serialization.SerializationInfo serializationInfo, System.Runtime.Serialization.StreamingContext streamingContext) { }
 public override int ErrorCode { get { throw null; } }
 }
 public abstract partial class NetworkInterface
 {
 protected NetworkInterface() { }
 public virtual string Description { get { throw null; } }
 public virtual string Id { get { throw null; } }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("illumos")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("solaris")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("haiku")]
 public static int IPv6LoopbackInterfaceIndex { get { throw null; } }
 public virtual bool IsReceiveOnly { get { throw null; } }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("illumos")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("solaris")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("haiku")]
 public static int LoopbackInterfaceIndex { get { throw null; } }
 public virtual string Name { get { throw null; } }
 public virtual System.Net.NetworkInformation.NetworkInterfaceType NetworkInterfaceType { get { throw null; } }
 public virtual System.Net.NetworkInformation.OperationalStatus OperationalStatus { get { throw null; } }
 public virtual long Speed { get { throw null; } }
 public virtual bool SupportsMulticast { get { throw null; } }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("illumos")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("solaris")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("haiku")]
 public static System.Net.NetworkInformation.NetworkInterface[] GetAllNetworkInterfaces() { throw null; }
 public virtual System.Net.NetworkInformation.IPInterfaceProperties GetIPProperties() { throw null; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public virtual System.Net.NetworkInformation.IPInterfaceStatistics GetIPStatistics() { throw null; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("android")]
 public virtual System.Net.NetworkInformation.IPv4InterfaceStatistics GetIPv4Statistics() { throw null; }
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("illumos")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("solaris")]
 [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("haiku")]
 public static bool GetIsNetworkAvailable() { throw null; }
 public virtual System.Net.NetworkInformation.PhysicalAddress GetPhysicalAddress() { throw null; }
 public virtual bool Supports(System.Net.NetworkInformation.NetworkInterfaceComponent networkInterfaceComponent) { throw null; }
 }
 public enum NetworkInterfaceComponent
 {
 IPv4 = 0,
 IPv6 = 1,
 }
 public enum NetworkInterfaceType
 {
 Unknown = 1,
 Ethernet = 6,
 TokenRing = 9,
 Fddi = 15,
 BasicIsdn = 20,
 PrimaryIsdn = 21,
 Ppp = 23,
 Loopback = 24,
 Ethernet3Megabit = 26,
 Slip = 28,
 Atm = 37,
 GenericModem = 48,
 FastEthernetT = 62,
 Isdn = 63,
 FastEthernetFx = 69,
 Wireless80211 = 71,
 AsymmetricDsl = 94,
 RateAdaptDsl = 95,
 SymmetricDsl = 96,
 VeryHighSpeedDsl = 97,
 IPOverAtm = 114,
 GigabitEthernet = 117,
 Tunnel = 131,
 MultiRateSymmetricDsl = 143,
 HighPerformanceSerialBus = 144,
 Wman = 237,
 Wwanpp = 243,
 Wwanpp2 = 244,
 }
 public enum OperationalStatus
 {
 Up = 1,
 Down = 2,
 Testing = 3,
 Unknown = 4,
 Dormant = 5,
 NotPresent = 6,
 LowerLayerDown = 7,
 }
 public partial class PhysicalAddress
 {
 public static readonly System.Net.NetworkInformation.PhysicalAddress None;
 public PhysicalAddress(byte[] address) { }
 public override bool Equals([System.Diagnostics.CodeAnalysis.NotNullWhenAttribute(true)] object? comparand) { throw null; }
 public byte[] GetAddressBytes() { throw null; }
 public override int GetHashCode() { throw null; }
 public static System.Net.NetworkInformation.PhysicalAddress Parse(System.ReadOnlySpan<char> address) { throw null; }
 public static System.Net.NetworkInformation.PhysicalAddress Parse(string? address) { throw null; }
 public override string ToString() { throw null; }
 public static bool TryParse(System.ReadOnlySpan<char> address, [System.Diagnostics.CodeAnalysis.NotNullWhenAttribute(true)] out System.Net.NetworkInformation.PhysicalAddress? value) { throw null; }
 public static bool TryParse(string? address, [System.Diagnostics.CodeAnalysis.NotNullWhenAttribute(true)] out System.Net.NetworkInformation.PhysicalAddress? value) { throw null; }
 }
 public enum PrefixOrigin
 {
 Other = 0,
 Manual = 1,
 WellKnown = 2,
 Dhcp = 3,
 RouterAdvertisement = 4,
 }
 public enum ScopeLevel
 {
 None = 0,
 Interface = 1,
 Link = 2,
 Subnet = 3,
 Admin = 4,
 Site = 5,
 Organization = 8,
 Global = 14,
 }
 public enum SuffixOrigin
 {
 Other = 0,
 Manual = 1,
 WellKnown = 2,
 OriginDhcp = 3,
 LinkLayerAddress = 4,
 Random = 5,
 }
 public abstract partial class TcpConnectionInformation
 {
 protected TcpConnectionInformation() { }
 public abstract System.Net.IPEndPoint LocalEndPoint { get; }
 public abstract System.Net.IPEndPoint RemoteEndPoint { get; }
 public abstract System.Net.NetworkInformation.TcpState State { get; }
 }
 public enum TcpState
 {
 Unknown = 0,
 Closed = 1,
 Listen = 2,
 SynSent = 3,
 SynReceived = 4,
 Established = 5,
 FinWait1 = 6,
 FinWait2 = 7,
 CloseWait = 8,
 Closing = 9,
 LastAck = 10,
 TimeWait = 11,
 DeleteTcb = 12,
 }
 public abstract partial class TcpStatistics
 {
 protected TcpStatistics() { }
 public abstract long ConnectionsAccepted { get; }
 public abstract long ConnectionsInitiated { get; }
 public abstract long CumulativeConnections { get; }
 public abstract long CurrentConnections { get; }
 public abstract long ErrorsReceived { get; }
 public abstract long FailedConnectionAttempts { get; }
 public abstract long MaximumConnections { get; }
 public abstract long MaximumTransmissionTimeout { get; }
 public abstract long MinimumTransmissionTimeout { get; }
 public abstract long ResetConnections { get; }
 public abstract long ResetsSent { get; }
 public abstract long SegmentsReceived { get; }
 public abstract long SegmentsResent { get; }
 public abstract long SegmentsSent { get; }
 }
 public abstract partial class UdpStatistics
 {
 protected UdpStatistics() { }
 public abstract long DatagramsReceived { get; }
 public abstract long DatagramsSent { get; }
 public abstract long IncomingDatagramsDiscarded { get; }
 public abstract long IncomingDatagramsWithErrors { get; }
 public abstract int UdpListeners { get; }
 }
 public abstract partial class UnicastIPAddressInformation : System.Net.NetworkInformation.IPAddressInformation
 {
 protected UnicastIPAddressInformation() { }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract long AddressPreferredLifetime { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract long AddressValidLifetime { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract long DhcpLeaseLifetime { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract System.Net.NetworkInformation.DuplicateAddressDetectionState DuplicateAddressDetectionState { get; }
 public abstract System.Net.IPAddress IPv4Mask { get; }
 public virtual int PrefixLength { get { throw null; } }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract System.Net.NetworkInformation.PrefixOrigin PrefixOrigin { get; }
 [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
 public abstract System.Net.NetworkInformation.SuffixOrigin SuffixOrigin { get; }
 }
 public partial class UnicastIPAddressInformationCollection : System.Collections.Generic.ICollection<System.Net.NetworkInformation.UnicastIPAddressInformation>, System.Collections.Generic.IEnumerable<System.Net.NetworkInformation.UnicastIPAddressInformation>, System.Collections.IEnumerable
 {
 protected internal UnicastIPAddressInformationCollection() { }
 public virtual int Count { get { throw null; } }
 public virtual bool IsReadOnly { get { throw null; } }
 public virtual System.Net.NetworkInformation.UnicastIPAddressInformation this[int index] { get { throw null; } }
 public virtual void Add(System.Net.NetworkInformation.UnicastIPAddressInformation address) { }
 public virtual void Clear() { }
 public virtual bool Contains(System.Net.NetworkInformation.UnicastIPAddressInformation address) { throw null; }
 public virtual void CopyTo(System.Net.NetworkInformation.UnicastIPAddressInformation[] array, int offset) { }
 public virtual System.Collections.Generic.IEnumerator<System.Net.NetworkInformation.UnicastIPAddressInformation> GetEnumerator() { throw null; }
 public virtual bool Remove(System.Net.NetworkInformation.UnicastIPAddressInformation address) { throw null; }
 System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { throw null; }
 }
}