<PackageReference Include="System.IO.Pipelines" Version="10.0.0-preview.1.25080.5" />

StreamPipeExtensions

public static class StreamPipeExtensions
Provides extension methods for Stream that support read and write operations directly into pipes.
using System.Runtime.CompilerServices; using System.Threading; using System.Threading.Tasks; namespace System.IO.Pipelines { public static class StreamPipeExtensions { [NullableContext(1)] public static Task CopyToAsync(this Stream source, PipeWriter destination, CancellationToken cancellationToken = default(CancellationToken)) { if (source == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.source); if (destination == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.destination); if (cancellationToken.IsCancellationRequested) return Task.FromCanceled(cancellationToken); return destination.CopyFromAsync(source, cancellationToken); } } }