namespace AppKit
{
    [Model]
    [Protocol]
    [Register("NSOutlineViewDataSource", false)]
    public class NSOutlineViewDataSource : NSObject, INSOutlineViewDataSource, INativeObject, IDisposable
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("outlineView:child:ofItem:")]
        public virtual NSObject! GetChild(NSOutlineView! outlineView, nint childIndex, NSObject? item);
    }
}