<PackageReference Include="System.Threading.Channels" Version="11.0.0-rc.1.26425.128" />

System.Runtime.CompilerServices.NullablePublicOnlyAttribute

namespace System.Runtime.CompilerServices { internal sealed class NullablePublicOnlyAttribute : Attribute { public readonly bool IncludesInternals; public NullablePublicOnlyAttribute(bool P_0); } }