namespace UIKit
{
    [Model]
    [Protocol]
    [Register("UIActivityItemSource", false)]
    [Unavailable(PlatformName.TvOS, PlatformArchitecture.All, null)]
    public abstract class UIActivityItemSource : NSObject, INativeObject, IDisposable, IUIActivityItemSource
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("activityViewControllerPlaceholderItem:")]
        public abstract NSObject! GetPlaceholderData(UIActivityViewController! activityViewController);
    }
}