namespace System.Collections
{
    [ComVisible(true)]
    [DebuggerDisplay("Count = {Count}")]
    [DebuggerTypeProxy(typeof(ArrayListDebugView))]
    [DefaultMember("Item")]
    public class ArrayList : ICollection, IEnumerable, IList, ICloneable
    {
        public virtual object this[int index] { get; set; }
    }
}