namespace QuickLookUI
{
    [Protocol(Name = "QLPreviewPanelDataSource", WrapperType = typeof(QLPreviewPanelDataSourceWrapper))]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "NumberOfPreviewItemsInPreviewPanel", ParameterByRef = new[] { false }, ParameterType = new[] { typeof(QLPreviewPanel) }, ReturnType = typeof(nint), Selector = "numberOfPreviewItemsInPreviewPanel:")]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "PreviewItemAtIndex", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(QLPreviewPanel), typeof(nint) }, ReturnType = typeof(QLPreviewItem), Selector = "previewPanel:previewItemAtIndex:")]
    public interface IQLPreviewPanelDataSource : INativeObject, IDisposable
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("previewPanel:previewItemAtIndex:")]
        [Preserve(Conditional = true)]
        IQLPreviewItem! PreviewItemAtIndex(QLPreviewPanel! panel, nint index);
    }
}