private IEnumerator QueryItems(ConcurrentLazyQueriesTestCase.Item parent, IExtObjectContainer
			 container)
		{
			IQuery q = ItemQuery(container);
			q.Descend("parent").Constrain(parent).Identity();
			// the cast is necessary for sharpen
			return ((IEnumerable)q.Execute()).GetEnumerator();
		}
			public Item(ConcurrentLazyQueriesTestCase.Item parent_, int id_)
			{
				id = id_;
				parent = parent_;
			}