namespace Foundation
{
    [DefaultMember("Item")]
    [Register("NSMutableOrderedSet", SkipRegistration = true)]
    public sealed class NSMutableOrderedSet<TKey> : NSMutableOrderedSet, IEnumerable, IEnumerable<TKey>
        where TKey, class, INativeObject
    {
        public TKey this[nint idx] { get; set; }
    }
}