namespace System.Collections.Immutable
{
    [DebuggerDisplay("IsEmpty = {IsEmpty}, Top = {_head}")]
    [DebuggerTypeProxy(typeof(ImmutableEnumerableDebuggerProxy<?>))]
    public sealed class ImmutableStack<T> : IEnumerable, IEnumerable<T>, IImmutableStack<T>
    {
        [EditorBrowsable(EditorBrowsableState.Advanced)]
        public struct Enumerator
        {
            public T Current { get; }
        }
    }
}