diff --git a/src/Nerdbank.Streams/FullDuplexStream.cs b/src/Nerdbank.Streams/FullDuplexStream.cs
index 7d61f6aa..690b1be0 100644
--- a/src/Nerdbank.Streams/FullDuplexStream.cs
+++ b/src/Nerdbank.Streams/FullDuplexStream.cs
@@ -143,10 +143,10 @@ public override Task WriteAsync(byte[] buffer, int offset, int count, Cancellati
 
             public override void WriteByte(byte value) => this.writableStream.WriteByte(value);
 
-            public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
+            public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
                 => this.readableStream.BeginRead(buffer, offset, count, callback, state);
 
-            public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
+            public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
                 => this.writableStream.BeginWrite(buffer, offset, count, callback, state);
 
             public override int EndRead(IAsyncResult asyncResult) => this.readableStream.EndRead(asyncResult);
diff --git a/src/Nerdbank.Streams/MultiplexingStream.Channel.cs b/src/Nerdbank.Streams/MultiplexingStream.Channel.cs
index 9f15c365..f2866f32 100644
--- a/src/Nerdbank.Streams/MultiplexingStream.Channel.cs
+++ b/src/Nerdbank.Streams/MultiplexingStream.Channel.cs
@@ -368,7 +368,7 @@ internal void Dispose(Exception? disposeException)
                         {
                             try
                             {
-                                Channel self = (Channel)state;
+                                Channel self = (Channel)state!;
 
                                 PipeWriter? mxStreamIOWriter;
                                 lock (self.SyncObject)
diff --git a/src/Nerdbank.Streams/Nerdbank.Streams.csproj b/src/Nerdbank.Streams/Nerdbank.Streams.csproj
index 51ec867e..c6b4366b 100644
--- a/src/Nerdbank.Streams/Nerdbank.Streams.csproj
+++ b/src/Nerdbank.Streams/Nerdbank.Streams.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>net6.0;netstandard2.0;netstandard2.1</TargetFrameworks>
     <DefineConstants>$(DefineConstants);MESSAGEPACK_INTERNAL;CSHARP8</DefineConstants>
 
     <Summary>Streams for full duplex in-proc communication, wrap a WebSocket, split a stream into multiple channels, etc.</Summary>
@@ -15,7 +15,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" PrivateAssets="all" />
     <PackageReference Include="Microsoft.VisualStudio.Validation" />
     <PackageReference Include="System.IO.Pipelines" />
-    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Condition="'$(TargetFramework)' != 'net6.0'" />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="Strings.Designer.cs">
diff --git a/src/Nerdbank.Streams/Substream.cs b/src/Nerdbank.Streams/Substream.cs
index 003664d8..8e6b9f39 100644
--- a/src/Nerdbank.Streams/Substream.cs
+++ b/src/Nerdbank.Streams/Substream.cs
@@ -64,7 +64,7 @@ public override long Position
 
         /// <inheritdoc/>
         public
-#if NETSTANDARD2_1_OR_GREATER
+#if NETSTANDARD2_1_OR_GREATER || NET6_0_OR_GREATER
 new // https://github.com/dotnet/csharplang/issues/3613: There's no way to *override* the base method without a binary breaking change from changing the return type on this method.
 #endif
         Task DisposeAsync() => this.DisposeAsync(CancellationToken.None).AsTask();
diff --git a/src/Nerdbank.Streams/net6.0/PublicAPI.Shipped.txt b/src/Nerdbank.Streams/net6.0/PublicAPI.Shipped.txt
new file mode 100644
index 00000000..65e64846
--- /dev/null
+++ b/src/Nerdbank.Streams/net6.0/PublicAPI.Shipped.txt
@@ -0,0 +1,305 @@
+#nullable enable
+Nerdbank.Streams.BufferTextWriter
+Nerdbank.Streams.BufferTextWriter.BufferTextWriter() -> void
+Nerdbank.Streams.BufferTextWriter.BufferTextWriter(System.Buffers.IBufferWriter<byte>! bufferWriter, System.Text.Encoding! encoding) -> void
+Nerdbank.Streams.BufferTextWriter.Initialize(System.Buffers.IBufferWriter<byte>! bufferWriter, System.Text.Encoding! encoding) -> void
+Nerdbank.Streams.BufferTextWriter.Reset() -> void
+Nerdbank.Streams.DuplexPipe
+Nerdbank.Streams.DuplexPipe.DuplexPipe(System.IO.Pipelines.PipeReader! input) -> void
+Nerdbank.Streams.DuplexPipe.DuplexPipe(System.IO.Pipelines.PipeReader? input, System.IO.Pipelines.PipeWriter? output) -> void
+Nerdbank.Streams.DuplexPipe.DuplexPipe(System.IO.Pipelines.PipeWriter! output) -> void
+Nerdbank.Streams.DuplexPipe.Input.get -> System.IO.Pipelines.PipeReader!
+Nerdbank.Streams.DuplexPipe.Output.get -> System.IO.Pipelines.PipeWriter!
+Nerdbank.Streams.FullDuplexStream
+Nerdbank.Streams.HalfDuplexStream
+Nerdbank.Streams.HalfDuplexStream.CompleteWriting() -> void
+Nerdbank.Streams.HalfDuplexStream.HalfDuplexStream() -> void
+Nerdbank.Streams.HalfDuplexStream.HalfDuplexStream(int resumeWriterThreshold, int pauseWriterThreshold) -> void
+Nerdbank.Streams.HalfDuplexStream.IsDisposed.get -> bool
+Nerdbank.Streams.MonitoringStream
+Nerdbank.Streams.MonitoringStream.DidFlush -> System.EventHandler?
+Nerdbank.Streams.MonitoringStream.DidRead -> System.EventHandler<System.ArraySegment<byte>>?
+Nerdbank.Streams.MonitoringStream.DidReadByte -> System.EventHandler<int>?
+Nerdbank.Streams.MonitoringStream.DidReadMemory -> System.EventHandler<System.Memory<byte>>?
+Nerdbank.Streams.MonitoringStream.DidReadSpan -> Nerdbank.Streams.MonitoringStream.SpanEventHandler?
+Nerdbank.Streams.MonitoringStream.DidSeek -> System.EventHandler<long>?
+Nerdbank.Streams.MonitoringStream.DidSetLength -> System.EventHandler<long>?
+Nerdbank.Streams.MonitoringStream.DidWrite -> System.EventHandler<System.ArraySegment<byte>>?
+Nerdbank.Streams.MonitoringStream.DidWriteByte -> System.EventHandler<byte>?
+Nerdbank.Streams.MonitoringStream.DidWriteMemory -> System.EventHandler<System.ReadOnlyMemory<byte>>?
+Nerdbank.Streams.MonitoringStream.DidWriteSpan -> Nerdbank.Streams.MonitoringStream.ReadOnlySpanEventHandler?
+Nerdbank.Streams.MonitoringStream.Disposed -> System.EventHandler?
+Nerdbank.Streams.MonitoringStream.EndOfStream -> System.EventHandler?
+Nerdbank.Streams.MonitoringStream.MonitoringStream(System.IO.Stream! inner) -> void
+Nerdbank.Streams.MonitoringStream.ReadOnlySpanEventHandler
+Nerdbank.Streams.MonitoringStream.SpanEventHandler
+Nerdbank.Streams.MonitoringStream.WillRead -> System.EventHandler<System.ArraySegment<byte>>?
+Nerdbank.Streams.MonitoringStream.WillReadByte -> System.EventHandler?
+Nerdbank.Streams.MonitoringStream.WillReadMemory -> System.EventHandler<System.Memory<byte>>?
+Nerdbank.Streams.MonitoringStream.WillReadSpan -> Nerdbank.Streams.MonitoringStream.SpanEventHandler?
+Nerdbank.Streams.MonitoringStream.WillSetLength -> System.EventHandler<long>?
+Nerdbank.Streams.MonitoringStream.WillWrite -> System.EventHandler<System.ArraySegment<byte>>?
+Nerdbank.Streams.MonitoringStream.WillWriteByte -> System.EventHandler<byte>?
+Nerdbank.Streams.MonitoringStream.WillWriteMemory -> System.EventHandler<System.ReadOnlyMemory<byte>>?
+Nerdbank.Streams.MonitoringStream.WillWriteSpan -> Nerdbank.Streams.MonitoringStream.ReadOnlySpanEventHandler?
+Nerdbank.Streams.MultiplexingProtocolException
+Nerdbank.Streams.MultiplexingProtocolException.MultiplexingProtocolException() -> void
+Nerdbank.Streams.MultiplexingProtocolException.MultiplexingProtocolException(System.Runtime.Serialization.SerializationInfo! info, System.Runtime.Serialization.StreamingContext context) -> void
+Nerdbank.Streams.MultiplexingProtocolException.MultiplexingProtocolException(string? message) -> void
+Nerdbank.Streams.MultiplexingProtocolException.MultiplexingProtocolException(string? message, System.Exception? inner) -> void
+Nerdbank.Streams.MultiplexingStream
+Nerdbank.Streams.MultiplexingStream.AcceptChannel(int id, Nerdbank.Streams.MultiplexingStream.ChannelOptions? options = null) -> Nerdbank.Streams.MultiplexingStream.Channel!
+Nerdbank.Streams.MultiplexingStream.AcceptChannelAsync(string! name, Nerdbank.Streams.MultiplexingStream.ChannelOptions? options = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.Task<Nerdbank.Streams.MultiplexingStream.Channel!>!
+Nerdbank.Streams.MultiplexingStream.AcceptChannelAsync(string! name, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<Nerdbank.Streams.MultiplexingStream.Channel!>!
+Nerdbank.Streams.MultiplexingStream.Channel
+Nerdbank.Streams.MultiplexingStream.Channel.Acceptance.get -> System.Threading.Tasks.Task!
+Nerdbank.Streams.MultiplexingStream.Channel.Completion.get -> System.Threading.Tasks.Task!
+Nerdbank.Streams.MultiplexingStream.Channel.Dispose() -> void
+Nerdbank.Streams.MultiplexingStream.Channel.Id.get -> int
+Nerdbank.Streams.MultiplexingStream.Channel.Input.get -> System.IO.Pipelines.PipeReader!
+Nerdbank.Streams.MultiplexingStream.Channel.IsDisposed.get -> bool
+Nerdbank.Streams.MultiplexingStream.Channel.MultiplexingStream.get -> Nerdbank.Streams.MultiplexingStream!
+Nerdbank.Streams.MultiplexingStream.Channel.Output.get -> System.IO.Pipelines.PipeWriter!
+Nerdbank.Streams.MultiplexingStream.Channel.TraceSource.get -> System.Diagnostics.TraceSource?
+Nerdbank.Streams.MultiplexingStream.ChannelOfferEventArgs
+Nerdbank.Streams.MultiplexingStream.ChannelOfferEventArgs.Id.get -> int
+Nerdbank.Streams.MultiplexingStream.ChannelOfferEventArgs.IsAccepted.get -> bool
+Nerdbank.Streams.MultiplexingStream.ChannelOfferEventArgs.Name.get -> string!
+Nerdbank.Streams.MultiplexingStream.ChannelOffered -> System.EventHandler<Nerdbank.Streams.MultiplexingStream.ChannelOfferEventArgs!>?
+Nerdbank.Streams.MultiplexingStream.ChannelOptions
+Nerdbank.Streams.MultiplexingStream.ChannelOptions.ChannelOptions() -> void
+Nerdbank.Streams.MultiplexingStream.ChannelOptions.ChannelReceivingWindowSize.get -> long?
+Nerdbank.Streams.MultiplexingStream.ChannelOptions.ChannelReceivingWindowSize.set -> void
+Nerdbank.Streams.MultiplexingStream.ChannelOptions.ExistingPipe.get -> System.IO.Pipelines.IDuplexPipe?
+Nerdbank.Streams.MultiplexingStream.ChannelOptions.ExistingPipe.set -> void
+Nerdbank.Streams.MultiplexingStream.ChannelOptions.InputPipeOptions.get -> System.IO.Pipelines.PipeOptions?
+Nerdbank.Streams.MultiplexingStream.ChannelOptions.InputPipeOptions.set -> void
+Nerdbank.Streams.MultiplexingStream.ChannelOptions.TraceSource.get -> System.Diagnostics.TraceSource?
+Nerdbank.Streams.MultiplexingStream.ChannelOptions.TraceSource.set -> void
+Nerdbank.Streams.MultiplexingStream.Completion.get -> System.Threading.Tasks.Task!
+Nerdbank.Streams.MultiplexingStream.CreateChannel(Nerdbank.Streams.MultiplexingStream.ChannelOptions? options = null) -> Nerdbank.Streams.MultiplexingStream.Channel!
+Nerdbank.Streams.MultiplexingStream.DefaultChannelReceivingWindowSize.get -> long
+Nerdbank.Streams.MultiplexingStream.Dispose() -> void
+Nerdbank.Streams.MultiplexingStream.DisposeAsync() -> System.Threading.Tasks.ValueTask
+Nerdbank.Streams.MultiplexingStream.OfferChannelAsync(string! name, Nerdbank.Streams.MultiplexingStream.ChannelOptions? options = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.Task<Nerdbank.Streams.MultiplexingStream.Channel!>!
+Nerdbank.Streams.MultiplexingStream.OfferChannelAsync(string! name, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<Nerdbank.Streams.MultiplexingStream.Channel!>!
+Nerdbank.Streams.MultiplexingStream.Options
+Nerdbank.Streams.MultiplexingStream.Options.DefaultChannelReceivingWindowSize.get -> long
+Nerdbank.Streams.MultiplexingStream.Options.DefaultChannelReceivingWindowSize.set -> void
+Nerdbank.Streams.MultiplexingStream.Options.DefaultChannelTraceSourceFactory.get -> System.Func<int, string!, System.Diagnostics.TraceSource?>?
+Nerdbank.Streams.MultiplexingStream.Options.DefaultChannelTraceSourceFactory.set -> void
+Nerdbank.Streams.MultiplexingStream.Options.Options() -> void
+Nerdbank.Streams.MultiplexingStream.Options.ProtocolMajorVersion.get -> int
+Nerdbank.Streams.MultiplexingStream.Options.ProtocolMajorVersion.set -> void
+Nerdbank.Streams.MultiplexingStream.Options.TraceSource.get -> System.Diagnostics.TraceSource!
+Nerdbank.Streams.MultiplexingStream.Options.TraceSource.set -> void
+Nerdbank.Streams.MultiplexingStream.RejectChannel(int id) -> void
+Nerdbank.Streams.MultiplexingStream.TraceSource.get -> System.Diagnostics.TraceSource!
+Nerdbank.Streams.PipeExtensions
+Nerdbank.Streams.PrefixingBufferWriter<T>
+Nerdbank.Streams.PrefixingBufferWriter<T>.Advance(int count) -> void
+Nerdbank.Streams.PrefixingBufferWriter<T>.Commit() -> void
+Nerdbank.Streams.PrefixingBufferWriter<T>.GetMemory(int sizeHint = 0) -> System.Memory<T>
+Nerdbank.Streams.PrefixingBufferWriter<T>.GetSpan(int sizeHint = 0) -> System.Span<T>
+Nerdbank.Streams.PrefixingBufferWriter<T>.Length.get -> long
+Nerdbank.Streams.PrefixingBufferWriter<T>.Prefix.get -> System.Memory<T>
+Nerdbank.Streams.PrefixingBufferWriter<T>.PrefixingBufferWriter(System.Buffers.IBufferWriter<T>! innerWriter, int prefixSize, int payloadSizeHint = 0, System.Buffers.MemoryPool<T>? memoryPool = null) -> void
+Nerdbank.Streams.Sequence<T>
+Nerdbank.Streams.Sequence<T>.Advance(int count) -> void
+Nerdbank.Streams.Sequence<T>.AdvanceTo(System.SequencePosition position) -> void
+Nerdbank.Streams.Sequence<T>.Append(System.ReadOnlyMemory<T> memory) -> void
+Nerdbank.Streams.Sequence<T>.AsReadOnlySequence.get -> System.Buffers.ReadOnlySequence<T>
+Nerdbank.Streams.Sequence<T>.AutoIncreaseMinimumSpanLength.get -> bool
+Nerdbank.Streams.Sequence<T>.AutoIncreaseMinimumSpanLength.set -> void
+Nerdbank.Streams.Sequence<T>.Dispose() -> void
+Nerdbank.Streams.Sequence<T>.GetMemory(int sizeHint) -> System.Memory<T>
+Nerdbank.Streams.Sequence<T>.GetSpan(int sizeHint) -> System.Span<T>
+Nerdbank.Streams.Sequence<T>.Length.get -> long
+Nerdbank.Streams.Sequence<T>.MinimumSpanLength.get -> int
+Nerdbank.Streams.Sequence<T>.MinimumSpanLength.set -> void
+Nerdbank.Streams.Sequence<T>.Reset() -> void
+Nerdbank.Streams.Sequence<T>.Sequence() -> void
+Nerdbank.Streams.Sequence<T>.Sequence(System.Buffers.ArrayPool<T>! arrayPool) -> void
+Nerdbank.Streams.Sequence<T>.Sequence(System.Buffers.MemoryPool<T>! memoryPool) -> void
+Nerdbank.Streams.SequenceTextReader
+Nerdbank.Streams.SequenceTextReader.Initialize(System.Buffers.ReadOnlySequence<byte> sequence, System.Text.Encoding! encoding) -> void
+Nerdbank.Streams.SequenceTextReader.Reset() -> void
+Nerdbank.Streams.SequenceTextReader.SequenceTextReader() -> void
+Nerdbank.Streams.SequenceTextReader.SequenceTextReader(System.Buffers.ReadOnlySequence<byte> sequence, System.Text.Encoding! encoding) -> void
+Nerdbank.Streams.SimplexStream
+Nerdbank.Streams.SimplexStream.CompleteWriting() -> void
+Nerdbank.Streams.SimplexStream.IsDisposed.get -> bool
+Nerdbank.Streams.SimplexStream.SimplexStream() -> void
+Nerdbank.Streams.SimplexStream.SimplexStream(int resumeWriterThreshold, int pauseWriterThreshold) -> void
+Nerdbank.Streams.StreamExtensions
+Nerdbank.Streams.Substream
+Nerdbank.Streams.Substream.DisposeAsync() -> System.Threading.Tasks.Task!
+Nerdbank.Streams.Substream.DisposeAsync(System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask
+Nerdbank.Streams.Substream.IsDisposed.get -> bool
+override Nerdbank.Streams.BufferTextWriter.Dispose(bool disposing) -> void
+override Nerdbank.Streams.BufferTextWriter.Encoding.get -> System.Text.Encoding!
+override Nerdbank.Streams.BufferTextWriter.Flush() -> void
+override Nerdbank.Streams.BufferTextWriter.FlushAsync() -> System.Threading.Tasks.Task!
+override Nerdbank.Streams.BufferTextWriter.Write(System.ReadOnlySpan<char> buffer) -> void
+override Nerdbank.Streams.BufferTextWriter.Write(char value) -> void
+override Nerdbank.Streams.BufferTextWriter.Write(char[]! buffer, int index, int count) -> void
+override Nerdbank.Streams.BufferTextWriter.Write(string? value) -> void
+override Nerdbank.Streams.BufferTextWriter.WriteLine(System.ReadOnlySpan<char> buffer) -> void
+override Nerdbank.Streams.HalfDuplexStream.CanRead.get -> bool
+override Nerdbank.Streams.HalfDuplexStream.CanSeek.get -> bool
+override Nerdbank.Streams.HalfDuplexStream.CanWrite.get -> bool
+override Nerdbank.Streams.HalfDuplexStream.Dispose(bool disposing) -> void
+override Nerdbank.Streams.HalfDuplexStream.Flush() -> void
+override Nerdbank.Streams.HalfDuplexStream.FlushAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task!
+override Nerdbank.Streams.HalfDuplexStream.Length.get -> long
+override Nerdbank.Streams.HalfDuplexStream.Position.get -> long
+override Nerdbank.Streams.HalfDuplexStream.Position.set -> void
+override Nerdbank.Streams.HalfDuplexStream.Read(byte[]! buffer, int offset, int count) -> int
+override Nerdbank.Streams.HalfDuplexStream.ReadAsync(byte[]! buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<int>!
+override Nerdbank.Streams.HalfDuplexStream.Seek(long offset, System.IO.SeekOrigin origin) -> long
+override Nerdbank.Streams.HalfDuplexStream.SetLength(long value) -> void
+override Nerdbank.Streams.HalfDuplexStream.Write(byte[]! buffer, int offset, int count) -> void
+override Nerdbank.Streams.HalfDuplexStream.WriteAsync(byte[]! buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task!
+override Nerdbank.Streams.MonitoringStream.CanRead.get -> bool
+override Nerdbank.Streams.MonitoringStream.CanSeek.get -> bool
+override Nerdbank.Streams.MonitoringStream.CanTimeout.get -> bool
+override Nerdbank.Streams.MonitoringStream.CanWrite.get -> bool
+override Nerdbank.Streams.MonitoringStream.Dispose(bool disposing) -> void
+override Nerdbank.Streams.MonitoringStream.Flush() -> void
+override Nerdbank.Streams.MonitoringStream.FlushAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task!
+override Nerdbank.Streams.MonitoringStream.Length.get -> long
+override Nerdbank.Streams.MonitoringStream.Position.get -> long
+override Nerdbank.Streams.MonitoringStream.Position.set -> void
+override Nerdbank.Streams.MonitoringStream.Read(System.Span<byte> buffer) -> int
+override Nerdbank.Streams.MonitoringStream.Read(byte[]! buffer, int offset, int count) -> int
+override Nerdbank.Streams.MonitoringStream.ReadAsync(System.Memory<byte> buffer, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask<int>
+override Nerdbank.Streams.MonitoringStream.ReadAsync(byte[]! buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<int>!
+override Nerdbank.Streams.MonitoringStream.ReadByte() -> int
+override Nerdbank.Streams.MonitoringStream.ReadTimeout.get -> int
+override Nerdbank.Streams.MonitoringStream.ReadTimeout.set -> void
+override Nerdbank.Streams.MonitoringStream.Seek(long offset, System.IO.SeekOrigin origin) -> long
+override Nerdbank.Streams.MonitoringStream.SetLength(long value) -> void
+override Nerdbank.Streams.MonitoringStream.Write(System.ReadOnlySpan<byte> buffer) -> void
+override Nerdbank.Streams.MonitoringStream.Write(byte[]! buffer, int offset, int count) -> void
+override Nerdbank.Streams.MonitoringStream.WriteAsync(System.ReadOnlyMemory<byte> buffer, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask
+override Nerdbank.Streams.MonitoringStream.WriteAsync(byte[]! buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task!
+override Nerdbank.Streams.MonitoringStream.WriteByte(byte value) -> void
+override Nerdbank.Streams.MonitoringStream.WriteTimeout.get -> int
+override Nerdbank.Streams.MonitoringStream.WriteTimeout.set -> void
+override Nerdbank.Streams.SequenceTextReader.Peek() -> int
+override Nerdbank.Streams.SequenceTextReader.Read() -> int
+override Nerdbank.Streams.SequenceTextReader.Read(System.Span<char> buffer) -> int
+override Nerdbank.Streams.SequenceTextReader.Read(char[]! buffer, int index, int count) -> int
+override Nerdbank.Streams.SequenceTextReader.ReadAsync(System.Memory<char> buffer, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask<int>
+override Nerdbank.Streams.SequenceTextReader.ReadAsync(char[]! buffer, int index, int count) -> System.Threading.Tasks.Task<int>!
+override Nerdbank.Streams.SequenceTextReader.ReadBlockAsync(System.Memory<char> buffer, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask<int>
+override Nerdbank.Streams.SequenceTextReader.ReadBlockAsync(char[]! buffer, int index, int count) -> System.Threading.Tasks.Task<int>!
+override Nerdbank.Streams.SequenceTextReader.ReadLineAsync() -> System.Threading.Tasks.Task<string?>!
+override Nerdbank.Streams.SequenceTextReader.ReadToEndAsync() -> System.Threading.Tasks.Task<string!>!
+override Nerdbank.Streams.SimplexStream.CanRead.get -> bool
+override Nerdbank.Streams.SimplexStream.CanSeek.get -> bool
+override Nerdbank.Streams.SimplexStream.CanWrite.get -> bool
+override Nerdbank.Streams.SimplexStream.Dispose(bool disposing) -> void
+override Nerdbank.Streams.SimplexStream.Flush() -> void
+override Nerdbank.Streams.SimplexStream.FlushAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task!
+override Nerdbank.Streams.SimplexStream.Length.get -> long
+override Nerdbank.Streams.SimplexStream.Position.get -> long
+override Nerdbank.Streams.SimplexStream.Position.set -> void
+override Nerdbank.Streams.SimplexStream.Read(byte[]! buffer, int offset, int count) -> int
+override Nerdbank.Streams.SimplexStream.ReadAsync(byte[]! buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<int>!
+override Nerdbank.Streams.SimplexStream.Seek(long offset, System.IO.SeekOrigin origin) -> long
+override Nerdbank.Streams.SimplexStream.SetLength(long value) -> void
+override Nerdbank.Streams.SimplexStream.Write(byte[]! buffer, int offset, int count) -> void
+override Nerdbank.Streams.SimplexStream.WriteAsync(byte[]! buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task!
+override Nerdbank.Streams.Substream.CanRead.get -> bool
+override Nerdbank.Streams.Substream.CanSeek.get -> bool
+override Nerdbank.Streams.Substream.CanTimeout.get -> bool
+override Nerdbank.Streams.Substream.CanWrite.get -> bool
+override Nerdbank.Streams.Substream.Flush() -> void
+override Nerdbank.Streams.Substream.FlushAsync(System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task!
+override Nerdbank.Streams.Substream.Length.get -> long
+override Nerdbank.Streams.Substream.Position.get -> long
+override Nerdbank.Streams.Substream.Position.set -> void
+override Nerdbank.Streams.Substream.Read(byte[]! buffer, int offset, int count) -> int
+override Nerdbank.Streams.Substream.ReadAsync(byte[]! buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task<int>!
+override Nerdbank.Streams.Substream.Seek(long offset, System.IO.SeekOrigin origin) -> long
+override Nerdbank.Streams.Substream.SetLength(long value) -> void
+override Nerdbank.Streams.Substream.Write(byte[]! buffer, int offset, int count) -> void
+override Nerdbank.Streams.Substream.WriteAsync(byte[]! buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) -> System.Threading.Tasks.Task!
+static Nerdbank.Streams.FullDuplexStream.CreatePair(System.IO.Pipelines.PipeOptions? pipeOptions = null) -> (System.IO.Stream!, System.IO.Stream!)
+static Nerdbank.Streams.FullDuplexStream.CreatePipePair(System.IO.Pipelines.PipeOptions? pipeOptions = null) -> (System.IO.Pipelines.IDuplexPipe!, System.IO.Pipelines.IDuplexPipe!)
+static Nerdbank.Streams.FullDuplexStream.Splice(System.IO.Stream! readableStream, System.IO.Stream! writableStream) -> System.IO.Stream!
+static Nerdbank.Streams.MultiplexingStream.CreateAsync(System.IO.Stream! stream, Nerdbank.Streams.MultiplexingStream.Options? options, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.Task<Nerdbank.Streams.MultiplexingStream!>!
+static Nerdbank.Streams.MultiplexingStream.CreateAsync(System.IO.Stream! stream, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.Task<Nerdbank.Streams.MultiplexingStream!>!
+static Nerdbank.Streams.PipeExtensions.AsStream(this System.IO.Pipelines.IDuplexPipe! pipe) -> System.IO.Stream!
+static Nerdbank.Streams.PipeExtensions.AsStream(this System.IO.Pipelines.IDuplexPipe! pipe, bool ownsPipe) -> System.IO.Stream!
+static Nerdbank.Streams.PipeExtensions.AsStream(this System.IO.Pipelines.PipeReader! pipeReader) -> System.IO.Stream!
+static Nerdbank.Streams.PipeExtensions.AsStream(this System.IO.Pipelines.PipeWriter! pipeWriter) -> System.IO.Stream!
+static Nerdbank.Streams.PipeExtensions.OnCompleted(this System.IO.Pipelines.PipeReader! reader, System.Action<System.Exception?, object?>! callback, object? state = null) -> System.IO.Pipelines.PipeReader!
+static Nerdbank.Streams.PipeExtensions.OnCompleted(this System.IO.Pipelines.PipeWriter! reader, System.Action<System.Exception?, object?>! callback, object? state = null) -> System.IO.Pipelines.PipeWriter!
+static Nerdbank.Streams.PipeExtensions.ReadSlice(this System.IO.Pipelines.PipeReader! reader, long length) -> System.IO.Pipelines.PipeReader!
+static Nerdbank.Streams.PipeExtensions.UsePipe(this System.IO.Stream! stream, bool allowUnwrap, int sizeHint = 0, System.IO.Pipelines.PipeOptions? pipeOptions = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.IO.Pipelines.IDuplexPipe!
+static Nerdbank.Streams.PipeExtensions.UsePipe(this System.IO.Stream! stream, int sizeHint = 0, System.IO.Pipelines.PipeOptions? pipeOptions = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.IO.Pipelines.IDuplexPipe!
+static Nerdbank.Streams.PipeExtensions.UsePipe(this System.Net.WebSockets.WebSocket! webSocket, int sizeHint = 0, System.IO.Pipelines.PipeOptions? pipeOptions = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.IO.Pipelines.IDuplexPipe!
+static Nerdbank.Streams.PipeExtensions.UsePipeReader(this System.IO.Stream! stream, int sizeHint = 0, System.IO.Pipelines.PipeOptions? pipeOptions = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.IO.Pipelines.PipeReader!
+static Nerdbank.Streams.PipeExtensions.UsePipeReader(this System.Net.WebSockets.WebSocket! webSocket, int sizeHint = 0, System.IO.Pipelines.PipeOptions? pipeOptions = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.IO.Pipelines.PipeReader!
+static Nerdbank.Streams.PipeExtensions.UsePipeWriter(this System.IO.Stream! stream, System.IO.Pipelines.PipeOptions? pipeOptions = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.IO.Pipelines.PipeWriter!
+static Nerdbank.Streams.PipeExtensions.UsePipeWriter(this System.Net.WebSockets.WebSocket! webSocket, System.IO.Pipelines.PipeOptions? pipeOptions = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.IO.Pipelines.PipeWriter!
+static Nerdbank.Streams.PipeExtensions.UseStrictPipeReader(this System.IO.Stream! stream, int sizeHint = 4096) -> System.IO.Pipelines.PipeReader!
+static Nerdbank.Streams.PipeExtensions.UseStrictPipeWriter(this System.IO.Stream! stream) -> System.IO.Pipelines.PipeWriter!
+static Nerdbank.Streams.Sequence<T>.implicit operator System.Buffers.ReadOnlySequence<T>(Nerdbank.Streams.Sequence<T>? sequence) -> System.Buffers.ReadOnlySequence<T>
+static Nerdbank.Streams.StreamExtensions.AsStream(this System.Buffers.IBufferWriter<byte>! writer) -> System.IO.Stream!
+static Nerdbank.Streams.StreamExtensions.AsStream(this System.Buffers.ReadOnlySequence<byte> readOnlySequence) -> System.IO.Stream!
+static Nerdbank.Streams.StreamExtensions.AsStream(this System.Net.WebSockets.WebSocket! webSocket) -> System.IO.Stream!
+static Nerdbank.Streams.StreamExtensions.ReadBlockAsync(this System.IO.Stream! stream, System.Memory<byte> buffer, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask<int>
+static Nerdbank.Streams.StreamExtensions.ReadBlockOrThrowAsync(this System.IO.Stream! stream, System.Memory<byte> buffer, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask
+static Nerdbank.Streams.StreamExtensions.ReadSlice(this System.IO.Stream! stream, long length) -> System.IO.Stream!
+static Nerdbank.Streams.StreamExtensions.ReadSubstream(this System.IO.Stream! stream) -> System.IO.Stream!
+static Nerdbank.Streams.StreamExtensions.WriteSubstream(this System.IO.Stream! stream, int minimumBufferSize = 4096) -> Nerdbank.Streams.Substream!
+Nerdbank.Streams.MonitoringStream.IsDisposed.get -> bool
+Nerdbank.Streams.MultiplexingStream.AcceptChannel(ulong id, Nerdbank.Streams.MultiplexingStream.ChannelOptions? options = null) -> Nerdbank.Streams.MultiplexingStream.Channel!
+Nerdbank.Streams.MultiplexingStream.Channel.QualifiedId.get -> Nerdbank.Streams.MultiplexingStream.QualifiedChannelId
+Nerdbank.Streams.MultiplexingStream.ChannelOfferEventArgs.QualifiedId.get -> Nerdbank.Streams.MultiplexingStream.QualifiedChannelId
+Nerdbank.Streams.MultiplexingStream.ChannelSource
+Nerdbank.Streams.MultiplexingStream.ChannelSource.Local = 1 -> Nerdbank.Streams.MultiplexingStream.ChannelSource
+Nerdbank.Streams.MultiplexingStream.ChannelSource.Remote = -1 -> Nerdbank.Streams.MultiplexingStream.ChannelSource
+Nerdbank.Streams.MultiplexingStream.ChannelSource.Seeded = 0 -> Nerdbank.Streams.MultiplexingStream.ChannelSource
+Nerdbank.Streams.MultiplexingStream.Options.DefaultChannelTraceSourceFactoryWithQualifier.get -> System.Func<Nerdbank.Streams.MultiplexingStream.QualifiedChannelId, string!, System.Diagnostics.TraceSource?>?
+Nerdbank.Streams.MultiplexingStream.Options.DefaultChannelTraceSourceFactoryWithQualifier.set -> void
+Nerdbank.Streams.MultiplexingStream.Options.GetFrozenCopy() -> Nerdbank.Streams.MultiplexingStream.Options!
+Nerdbank.Streams.MultiplexingStream.Options.IsFrozen.get -> bool
+Nerdbank.Streams.MultiplexingStream.Options.Options(Nerdbank.Streams.MultiplexingStream.Options! copyFrom) -> void
+Nerdbank.Streams.MultiplexingStream.Options.SeededChannels.get -> System.Collections.Generic.IList<Nerdbank.Streams.MultiplexingStream.ChannelOptions!>!
+Nerdbank.Streams.MultiplexingStream.QualifiedChannelId
+Nerdbank.Streams.MultiplexingStream.QualifiedChannelId.Equals(Nerdbank.Streams.MultiplexingStream.QualifiedChannelId other) -> bool
+Nerdbank.Streams.MultiplexingStream.QualifiedChannelId.Id.get -> ulong
+Nerdbank.Streams.MultiplexingStream.QualifiedChannelId.QualifiedChannelId(ulong id, Nerdbank.Streams.MultiplexingStream.ChannelSource source) -> void
+Nerdbank.Streams.MultiplexingStream.QualifiedChannelId.Source.get -> Nerdbank.Streams.MultiplexingStream.ChannelSource
+Nerdbank.Streams.MultiplexingStream.RejectChannel(ulong id) -> void
+override Nerdbank.Streams.MultiplexingStream.QualifiedChannelId.Equals(object? obj) -> bool
+override Nerdbank.Streams.MultiplexingStream.QualifiedChannelId.GetHashCode() -> int
+override Nerdbank.Streams.MultiplexingStream.QualifiedChannelId.ToString() -> string!
+static Nerdbank.Streams.MultiplexingStream.Create(System.IO.Stream! stream, Nerdbank.Streams.MultiplexingStream.Options? options = null) -> Nerdbank.Streams.MultiplexingStream!
+Nerdbank.Streams.MultiplexingStream.Options.StartSuspended.get -> bool
+Nerdbank.Streams.MultiplexingStream.Options.StartSuspended.set -> void
+Nerdbank.Streams.MultiplexingStream.QualifiedChannelId.QualifiedChannelId() -> void
+Nerdbank.Streams.MultiplexingStream.StartListening() -> void
+static Nerdbank.Streams.PipeExtensions.AsPrebufferedStreamAsync(this System.IO.Pipelines.PipeReader! pipeReader, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.Task<System.IO.Stream!>!
+static Nerdbank.Streams.StreamExtensions.AsStream(this System.Buffers.ReadOnlySequence<byte> readOnlySequence, System.Action<object?>? disposeAction, object? disposeActionArg) -> System.IO.Stream!
+Nerdbank.Streams.BufferWriterExtensions
+Nerdbank.Streams.MultiplexingStream.Options.FaultOpenChannelsOnStreamDisposal.get -> bool
+Nerdbank.Streams.MultiplexingStream.Options.FaultOpenChannelsOnStreamDisposal.set -> void
+Nerdbank.Streams.ReadOnlySequenceExtensions
+Nerdbank.Streams.StreamPipeReader
+Nerdbank.Streams.StreamPipeReader.Read() -> System.IO.Pipelines.ReadResult
+Nerdbank.Streams.StreamPipeReader.StreamPipeReader(System.IO.Stream! stream) -> void
+Nerdbank.Streams.StreamPipeReader.StreamPipeReader(System.IO.Stream! stream, int bufferSize, bool leaveOpen) -> void
+override Nerdbank.Streams.StreamPipeReader.AdvanceTo(System.SequencePosition consumed) -> void
+override Nerdbank.Streams.StreamPipeReader.AdvanceTo(System.SequencePosition consumed, System.SequencePosition examined) -> void
+override Nerdbank.Streams.StreamPipeReader.CancelPendingRead() -> void
+override Nerdbank.Streams.StreamPipeReader.Complete(System.Exception? exception = null) -> void
+override Nerdbank.Streams.StreamPipeReader.OnWriterCompleted(System.Action<System.Exception?, object?>! callback, object? state) -> void
+override Nerdbank.Streams.StreamPipeReader.ReadAsync(System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.ValueTask<System.IO.Pipelines.ReadResult>
+override Nerdbank.Streams.StreamPipeReader.TryRead(out System.IO.Pipelines.ReadResult result) -> bool
+static Nerdbank.Streams.BufferWriterExtensions.Write<T>(this System.Buffers.IBufferWriter<T>! writer, System.Buffers.ReadOnlySequence<T> sequence) -> void
+static Nerdbank.Streams.ReadOnlySequenceExtensions.Clone<T>(this System.Buffers.ReadOnlySequence<T> template) -> System.Buffers.ReadOnlySequence<T>
diff --git a/src/Nerdbank.Streams/net6.0/PublicAPI.Unshipped.txt b/src/Nerdbank.Streams/net6.0/PublicAPI.Unshipped.txt
new file mode 100644
index 00000000..047db2e2
--- /dev/null
+++ b/src/Nerdbank.Streams/net6.0/PublicAPI.Unshipped.txt
@@ -0,0 +1,2 @@
+static Nerdbank.Streams.PipeExtensions.UseUtf8TextPipe(this System.Net.WebSockets.WebSocket! webSocket, int sizeHint = 0, System.IO.Pipelines.PipeOptions? pipeOptions = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.IO.Pipelines.IDuplexPipe!
+static Nerdbank.Streams.PipeExtensions.UseUtf8TextPipeWriter(this System.Net.WebSockets.WebSocket! webSocket, System.IO.Pipelines.PipeOptions? pipeOptions = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.IO.Pipelines.PipeWriter!