namespace UIKit
{
    [Introduced(PlatformName.iOS, 11, 0, PlatformArchitecture.All, null)]
    [Protocol(Name = "UICollectionViewDropCoordinator", WrapperType = typeof(UICollectionViewDropCoordinatorWrapper))]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "DropItemToPlaceholder", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(UIDragItem), typeof(UICollectionViewDropPlaceholder) }, ReturnType = typeof(IUICollectionViewDropPlaceholderContext), Selector = "dropItem:toPlaceholder:")]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "DropItemToItem", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(UIDragItem), typeof(NSIndexPath) }, ReturnType = typeof(IUIDragAnimating), Selector = "dropItem:toItemAtIndexPath:")]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "DropItemIntoItem", ParameterByRef = new[] { false, false, false }, ParameterType = new[] { typeof(UIDragItem), typeof(NSIndexPath), typeof(CGRect) }, ReturnType = typeof(IUIDragAnimating), Selector = "dropItem:intoItemAtIndexPath:rect:")]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "DropItemToTarget", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(UIDragItem), typeof(UIDragPreviewTarget) }, ReturnType = typeof(IUIDragAnimating), Selector = "dropItem:toTarget:")]
    [ProtocolMember(ArgumentSemantic = ArgumentSemantic.None, GetterSelector = "items", IsProperty = true, IsRequired = true, IsStatic = false, Name = "Items", PropertyType = typeof(IUICollectionViewDropItem[]), Selector = "items")]
    [ProtocolMember(ArgumentSemantic = ArgumentSemantic.None, GetterSelector = "destinationIndexPath", IsProperty = true, IsRequired = true, IsStatic = false, Name = "DestinationIndexPath", PropertyType = typeof(NSIndexPath), Selector = "destinationIndexPath")]
    [ProtocolMember(ArgumentSemantic = ArgumentSemantic.None, GetterSelector = "proposal", IsProperty = true, IsRequired = true, IsStatic = false, Name = "Proposal", PropertyType = typeof(UICollectionViewDropProposal), Selector = "proposal")]
    [ProtocolMember(ArgumentSemantic = ArgumentSemantic.None, GetterSelector = "session", IsProperty = true, IsRequired = true, IsStatic = false, Name = "Session", PropertyType = typeof(IUIDropSession), Selector = "session")]
    [Unavailable(PlatformName.WatchOS, PlatformArchitecture.All, null)]
    [Unavailable(PlatformName.TvOS, PlatformArchitecture.All, null)]
    public interface IUICollectionViewDropCoordinator : INativeObject, IDisposable
    {
        [Preserve(Conditional = true)]
        UICollectionViewDropProposal! Proposal
        {
            [Export("proposal")]
            get;
        }

    }
}