using System;

using System.Xml.Linq;

public class Program

{

    public static void Main()

    {

        var xaml = """

            <Grid>

                <Grid.Columns>

                    <ColumnDefinition />

                </Grid.Columns>

                <utu:AutoLayout xmlns:utu="using:Uno.Toolkit.UI"/>                      

            </Grid>

            """;

            var doc = XDocument.Parse(xaml);

        Console.WriteLine(doc);

    }

}