namespace System
{
    [ClassInterface(ClassInterfaceType.None)]
    [ComDefaultInterface(typeof(_AppDomain))]
    [ComVisible(true)]
    public sealed class AppDomain : MarshalByRefObject, _AppDomain, IEvidenceFactory
    {
        public AssemblyBuilder DefineDynamicAssembly(AssemblyName name, AssemblyBuilderAccess access, string dir, PermissionSet requiredPermissions, PermissionSet optionalPermissions, PermissionSet refusedPermissions);
    }
}