namespace UIKit
{
    [Register("UIResponder", true)]
    public class UIResponder : NSObject, INativeObject, IDisposable, IUIUserActivityRestoring
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("updateUserActivityState:")]
        [Introduced(PlatformName.iOS, 8, 0, PlatformArchitecture.All, null)]
        public virtual void UpdateUserActivityState(NSUserActivity! activity);
    }
}