namespace Opus6
{
    using System;
    using System.Collections;

    [Copyright("Copyright (c) 2001 by Bruno R. Preiss, P.Eng."), Version("$Id: Queue.cs,v 1.3 2001/09/11 12:04:04 brpreiss Exp $")]
    public interface Queue : Container, IComparable, IEnumerable
    {
        object Dequeue();
        void Enqueue(object obj);

        object Head { get; }

    }
}