namespace AppKit
{
    public static class NSCollectionViewDelegate_Extensions
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Introduced(PlatformName.MacOSX, 10, 11, PlatformArchitecture.All, null)]
        public static NSDragOperation ValidateDropOperation(this INSCollectionViewDelegate! This, NSCollectionView! collectionView, NSDraggingInfo! draggingInfo, ref NSIndexPath! proposedDropIndexPath, ref NSCollectionViewDropOperation proposedDropOperation);
    }
}