namespace AppKit
{
    [Model]
    [Protocol]
    [Register("Microsoft_macOS__AppKit_NSCollectionViewDelegateFlowLayout", false)]
    [SupportedOSPlatform("macos")]
    [UnsupportedOSPlatform("maccatalyst")]
    public class NSCollectionViewDelegateFlowLayout : NSObject, INSCollectionViewDelegate, INSCollectionViewDelegateFlowLayout, INativeObject, IDisposable
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("collectionView:validateDrop:proposedIndex:dropOperation:")]
        [SupportedOSPlatform("macos")]
        [UnsupportedOSPlatform("maccatalyst")]
        public virtual NSDragOperation ValidateDrop(NSCollectionView! collectionView, INSDraggingInfo! draggingInfo, ref IntPtr dropIndex, ref NSCollectionViewDropOperation dropOperation);
    }
}