<PackageReference Include="System.Runtime.Serialization.Formatters" Version="11.0.0-preview.7.26381.103" />

System.Runtime.Serialization.SerializationObjectManager

public sealed class SerializationObjectManager
Manages serialization processes at run time. This class cannot be inherited.
namespace System.Runtime.Serialization { public sealed class SerializationObjectManager { public SerializationObjectManager(StreamingContext context); public void RegisterObject(object obj); public void RaiseOnSerializedEvent(); } }