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

PipeCompletionCallback

using System.Runtime.CompilerServices; namespace System.IO.Pipelines { [NullableContext(2)] [Nullable(0)] internal readonly struct PipeCompletionCallback { [Nullable(new byte[] { 1, 2, 2 })] public readonly Action<Exception, object> Callback; public readonly object State; public PipeCompletionCallback([Nullable(new byte[] { 1, 2, 2 })] Action<Exception, object> callback, object state) { Callback = callback; State = state; } } }