using System;

using System.Collections.Generic;

using Newtonsoft.Json;

using Newtonsoft.Json.Serialization;

public class Program

{

    public static void Main()

    {

        var x = new Dictionary<string, int>{ { "Foo", 1 }, { "Bar", 2 } };

        var settings = new JsonSerializerSettings();

        settings.ContractResolver = new DefaultContractResolver();

        Console.WriteLine(JsonConvert.SerializeObject(x, settings));                                    

    }

}