using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;

namespace DataContracts
{
    class Example25
    {
        [DataContract]
        public class Source
        {
            [DataMember]
            public Dictionary<int, string> Items { get; set; }
        }
    }
}
