AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.7" />

 XmlParserOptions

public struct XmlParserOptions
Contains a number of options for the XML parser.
using System.Runtime.InteropServices; namespace AngleSharp.Parser.Xml { [StructLayout(LayoutKind.Sequential, Size = 1)] public struct XmlParserOptions { } }