namespace AppKit
{
    [Model]
    [Protocol]
    [Register("Microsoft_macOS__AppKit_NSOutlineViewDelegate", false)]
    [SupportedOSPlatform("macos")]
    [UnsupportedOSPlatform("maccatalyst")]
    public class NSOutlineViewDelegate : NSObject, INSOutlineViewDelegate, INativeObject, IDisposable
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("outlineViewItemWillExpand:")]
        public virtual void ItemWillExpand(NSNotification! notification);
    }
}