m = $maps.mapOf($maps.pairOf(1, "A"), $maps.pairOf(2, "B"))
# 不可变 Map 无法修改
# m.put(3, "C")
# m.put(4, "D")
# m.put(5, "E")
$objectWrappers.wrap(m).forEach { |it|
  $console.log(it)
}