JSON of gists object

GistObjects.cs

using System.Collections.Generic;
using System.Collections.ObjectModel;

namespace GistsApi
{
  public class GistObject
  {
    public string url { set; get; }
    public string id { set; get; }
    public string description { set; get; }
    public bool @public { set; get; }
    public User user { set; get; }
    public Files files { set; get; }
    public double comments { set; get; }
    public string comments_url { set; get; }
    public string html_url { set; get; }
    public string git_pull_url { set; get; }
    public string git_push_url { set; get; }
    public string created_at { set; get; }
    public Fork[] forks { get; set; }
    public History[] history { get; set; }
    public GistObject()
    {
      this.url = string.Empty;
      this.description = string.Empty;
      this.user = new User();
      this.files = new Files();
      this.html_url = string.Empty;
      this.git_pull_url = string.Empty;
      this.git_push_url = string.Empty;
      this.created_at = string.Empty;
      this.forks = new Fork[0];
      this.history = new History[0];
    }

  }

  public class User
  {
    public string login { set; get; }
    public string id { set; get; }
    public string avatar_url { set; get; }
    public string gravatar_id { set; get; }
    public string url { set; get; }
    public User()
    {
      this.login = string.Empty;
      this.avatar_url = string.Empty;
      this.gravatar_id = string.Empty;
      this.url = string.Empty;
    }
  }

  public class Files : Collection<File>
  {
    public Files()
      : base() { }

    public Files(IList<File> collection)
      : base(collection) { }

  }

  public class File
  {
    public double size { set; get; }
    public string filename { set; get; }
    public string raw_url { set; get; }
    public File()
    {
      this.filename = string.Empty;
      this.raw_url = string.Empty;
    }
  }

  public class Fork 
  {
    public User user { set; get; }
    public string url { set; get; }
    public string created_at { set; get; }
    public Fork()
    {
      this.url = string.Empty;
      this.created_at = string.Empty;
      this.user = new User();
    }
  }
  public class History
  {
    public string url { set; get; }
    public string version { set; get; }
    public User user { set; get; }
    public ChangeStatus change_status { set; get; }
    public string committed_at { set; get; }
    public History()
    {
      this.url = string.Empty;
      this.version = string.Empty;
      this.user = new User();
      this.change_status = new ChangeStatus();
      this.committed_at = string.Empty;
    }
  }
  public class ChangeStatus
  {
    public double deletions { set; get; }
    public double additions { set; get; }
    public double total { set; get; }
    public ChangeStatus()
    {}
  }
  
}

GistObjects.json

{
  "url": "https://api.github.com/gists/5f774909d8162f5b75f6",
  "id": "1",
  "description": "description of gist",
  "public": true,
  "user": {
    "login": "octocat",
    "id": 1,
    "avatar_url": "https://github.com/images/error/octocat_happy.gif",
    "gravatar_id": "somehexcode",
    "url": "https://api.github.com/users/octocat"
  },
  "files": {
    "ring.erl": {
      "size": 932,
      "filename": "ring.erl",
      "raw_url": "https://gist.github.com/raw/365370/8c4d2d43d178df44f4c03a7f2ac0ff512853564e/ring.erl"
    }
  },
  "comments": 0,
  "comments_url": "https://api.github.com/gists/a9416aa3c9ea9e54519c/comments/",
  "html_url": "https://gist.github.com/1",
  "git_pull_url": "git://gist.github.com/1.git",
  "git_push_url": "git@gist.github.com:1.git",
  "created_at": "2010-04-14T02:15:15Z",
  "forks": [
    {
      "user": {
        "login": "octocat",
        "id": 1,
        "avatar_url": "https://github.com/images/error/octocat_happy.gif",
        "gravatar_id": "somehexcode",
        "url": "https://api.github.com/users/octocat"
      },
      "url": "https://api.github.com/gists/e0da84b28ced9820b3ea",
      "created_at": "2011-04-14T16:00:49Z"
    }
  ],
  "history": [
    {
      "url": "https://api.github.com/gists/8d67e15b854be62107ba",
      "version": "57a7f021a713b1c5a6a199b54cc514735d2d462f",
      "user": {
        "login": "octocat",
        "id": 1,
        "avatar_url": "https://github.com/images/error/octocat_happy.gif",
        "gravatar_id": "somehexcode",
        "url": "https://api.github.com/users/octocat"
      },
      "change_status": {
        "deletions": 0,
        "additions": 180,
        "total": 180
      },
      "committed_at": "2010-04-14T02:15:15Z"
    }
  ]
}