private class HeaderMapIterator
	super MapIterator[String, String]

	var map: HeaderMap
	var iterator: Iterator[Couple[String, String]] = map.array.iterator is lazy

	redef fun is_ok do return self.iterator.is_ok
	redef fun next do self.iterator.next
	redef fun item do return self.iterator.item.second
	redef fun key do return self.iterator.item.first
end