/// <summary>
 /// Initializes a new instance of the <see cref="ImmutableQueueDebuggerProxy&lt;T&gt;"/> class.
 /// </summary>
 /// <param name="queue">The collection to display in the debugger</param>
 public ImmutableQueueDebuggerProxy(ImmutableQueue <T> queue)
 {
     this.queue = queue;
 }
 /// <summary>
 /// Initializes a new instance of the <see cref="Enumerator"/> struct.
 /// </summary>
 /// <param name="queue">The queue to enumerate.</param>
 internal EnumeratorObject(ImmutableQueue <T> queue)
 {
     this.originalQueue = queue;
 }