<PackageReference Include="NUnit" Version="4.1.0" />

IXmlNodeBuilder

public interface IXmlNodeBuilder
An object implementing IXmlNodeBuilder is able to build an XML representation of itself and any children.
using System.Runtime.CompilerServices; namespace NUnit.Framework.Interfaces { [System.Runtime.CompilerServices.NullableContext(1)] public interface IXmlNodeBuilder { TNode ToXml(bool recursive); TNode AddToXml(TNode parentNode, bool recursive); } }