<PackageReference Include="NETStandard.Library" Version="2.0.2" />

System.Xml.Linq.XContainer

public abstract class XContainer : XNode
public XNode FirstNode { get; }

public XNode LastNode { get; }

public void Add(object content)

public void Add(object[] content)

public void AddFirst(object content)

public void AddFirst(object[] content)

public XElement Element(XName name)

public void RemoveNodes()

public void ReplaceNodes(object content)

public void ReplaceNodes(object[] content)