<PackageReference Include="NETStandard.Library" Version="2.0.0-preview2-25401-01" />

System.Runtime.Serialization.Json.IXmlJsonWriterInitializer

public interface IXmlJsonWriterInitializer
namespace System.Runtime.Serialization.Json { public interface IXmlJsonWriterInitializer { void SetOutput(Stream stream, Encoding encoding, bool ownsStream); } }