using System;

using System.Text.Json;

using AgileObjects.AgileMapper;

​

public class Program

{

    public static void Main()

    {

//      Mapper.WhenMapping

//          .From<JsonDocument>()

//          .To<JsonDocument>()

//          .CreateInstancesUsing(ctx => JsonDocument.Parse(ctx.Source.RootElement.GetRawText(), default));

        NewClassA A = new NewClassA();

        NewClassB B = new NewClassB();

        var overResult = Mapper.Map(A).Over(B);

        var ontoResult = Mapper.Map(A).OnTo(B);

        Console.WriteLine("A: " + A.Json.RootElement);

        Console.WriteLine("B: " +  B.Json.RootElement);

        Console.WriteLine("overResult: " +  overResult.Json.RootElement);

        Console.WriteLine("ontoResult: " +  ontoResult.Json.RootElement);

    }

    public class NewClassA

    {

        public JsonDocument Json {get;set;}

        public NewClassA(){

            Json = JsonDocument.Parse( "[{\"a\":\"new\"}]");

        }

    }

    public class NewClassB

    {

        public JsonDocument Json {get;set;}

        public NewClassB(){

            Json = JsonDocument.Parse( "[{\"a\":\"old\"}]");

        }

    }

}