namespace System.Web.Security
{
    [DefaultMember("Item")]
    [Obsolete("This type is obsolete. The Passport authentication product is no longer supported and has been superseded by Live ID.")]
    public sealed class PassportIdentity : IDisposable, IIdentity
    {
        public string GetLoginChallenge(string szRetURL, int iTimeWindow, int fForceLogin, string szCOBrandArgs, int iLangID, string strNameSpace, int iKPP, int iUseSecureAuth, object oExtraParams);
    }
}