https://learn.microsoft.com/en-us/dotnet/api/system.xml.linq.xnode.nodesafterself?view=netframework-4.8.1&viewFallbackFrom=net-9.0
XNode.NodesAfterSelf Method (System.Xml.Linq) | Microsoft Learn
Returns a collection of the sibling nodes after this node, in document order.
xnodemethodsystemxmllinq