namespace AppKit
{
    [Model]
    [Protocol]
    [Register("NSCollectionViewDelegate", false)]
    public class NSCollectionViewDelegate : NSObject, INSCollectionViewDelegate, INativeObject, IDisposable
    {
        [Obsolete("Use 'ValidateDropOperation (NSCollectionView collectionView, NSDraggingInfo draggingInfo, ref NSIndexPath proposedDropIndexPath, ref NSCollectionViewDropOperation proposedDropOperation)' instead.")]
        public virtual NSDragOperation ValidateDrop(NSCollectionView collectionView, NSDraggingInfo draggingInfo, out NSIndexPath proposedDropIndexPath, out NSCollectionViewDropOperation proposedDropOperation);
    }
}