<PackageReference Include="NETStandard.Library" Version="2.0.3" />

System.Xml.XmlException

public class XmlException : SystemException
namespace System.Xml { public class XmlException : SystemException { public int LineNumber { get; } public int LinePosition { get; } public string SourceUri { get; } public XmlException(); protected XmlException(SerializationInfo info, StreamingContext context); public XmlException(string message); public XmlException(string message, Exception innerException); public XmlException(string message, Exception innerException, int lineNumber, int linePosition); } }