Complex Collections using ODataModelBuilder

ComplexCollection.cs

using Microsoft.Data.Edm;
using System;
using System.Collections.Generic;
using System.ServiceModel;
using System.Web.Http;
using System.Web.Http.OData.Builder;
using System.Web.Http.OData.Formatter;
using System.Web.Http.SelfHost;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            ODataModelBuilder builder = new ODataModelBuilder();
            builder.EntitySet<Foo>("foos");
            
            var foo = builder.Entity<Foo>();
            foo.HasKey(f => f.ID);
            foo.CollectionProperty(f => f.CollectionOne);
            foo.CollectionProperty(f => f.CollectionTwo);

            IEdmModel model = builder.GetEdmModel();

            HttpSelfHostConfiguration config = new HttpSelfHostConfiguration("http://localhost:8085/");
            config.HostNameComparisonMode = HostNameComparisonMode.Exact;
            config.Routes.MapHttpRoute("$metadata", "$metadata", new { Controller = "ODataMetadata", Action = "GetMetadata" });

            config.Formatters.Insert(0, new ODataMediaTypeFormatter(model));

            HttpSelfHostServer server = new HttpSelfHostServer(config);
            server.OpenAsync().Wait();
            
            Console.WriteLine("started...");
            Console.ReadKey();
        }
    }

    public class Foo
    {
        public int ID { get; set; }

        public Bar[] CollectionOne { get; set; }

        public Dictionary<string, Bar> CollectionTwo { get; set; }
    }

    public class Bar
    {
        public string Value1 { get; set; }

        public string Value2 { get; set; }
    }
}