docsIterator = map.values().iterator();
docsIterator = map.valueIterator();
		ExtArrayIterator() {			docsIterator = map.values().iterator();			if (docsIterator.hasNext())				currentPart = (Part) docsIterator.next();			if (currentPart != null && currentPart.length > 0)				next = currentPart.get(0);		}