             static let Privacy = VIMPrivacy.self
             static let User = VIMUser.self
             static let Embed = AlbumEmbed.self
+            static let MutableDictionary = NSMutableDictionary.self
+            static let Array = NSArray.self
         }
     }
     

            return Constant.Class.PictureCollection
        case Constant.Key.Embed:
            return Constant.Class.Embed
        default:
            return nil
        }

            static let User = "user"
            static let Privacy = "privacy"
            static let Embed = "embed"
            static let Metadata = "metadata"
            static let Connections = "connections"
        }
        
        struct Value {
