namespace System
{
    [ClassInterface(ClassInterfaceType.None)]
    [ComDefaultInterface(typeof(_AppDomain))]
    [ComVisible(true)]
    public sealed class AppDomain : MarshalByRefObject, _AppDomain, IEvidenceFactory
    {
        [Obsolete("AppDomain policy levels are obsolete and will be removed in a future release of the .NET Framework. See http://go.microsoft.com/fwlink/?LinkID=155570 for more information.")]
        [SecurityCritical]
        public void SetAppDomainPolicy(PolicyLevel domainPolicy);
    }
}