         isExternal = file?["is_external"] as? Bool
         externalType = file?["external_type"] as? String
         size = file?["size"] as? Int
-        url = file?["url"] as? String
-        urlDownload = file?["url_download"] as? String
         urlPrivate = file?["url_private"] as? String
         urlPrivateDownload = file?["url_private_download"] as? String
         thumb64 = file?["thumb_64"] as? String

    public let isExternal: Bool?
    public let externalType: String?
    public let size: Int?
    public let url: String?
    public let urlDownload: String?
    public let urlPrivate: String?
    public let urlPrivateDownload: String?
    public let thumb64: String?

        isExternal = nil
        externalType = nil
        size = nil
        urlPrivate = nil
        urlPrivateDownload = nil
        thumb64 = nil
