using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var settings = new JsonSerializerSettings

        {

            DefaultValueHandling = DefaultValueHandling.Include // Include is default

        };

        var source = new Source{Id = 15};

        var json = JsonConvert.SerializeObject(source, Formatting.Indented, settings);

        var target = JsonConvert.DeserializeObject<Target>(json, settings);

        Console.WriteLine(json);

​

        Console.WriteLine($"Id: {target.Id}");

        Console.WriteLine($"VdpBatchSizes: {target.VdpBatchSizes}");

    }

    public class Source

    {

        public int Id {get;set;}

    }

    public class Target

    {

        public int Id {get;set;}

        public IReadOnlyList<int> VdpBatchSizes { get; set; } = new List<int>();

    }

}