<?php
$m = $maps->mutableMapOf($maps->pairOf(1, "A"), $maps->pairOf(2, "B"));
// 可变 Map 可以修改
$m->put(3, "C");
$m->put(4, "D");
$m->put(5, "E");
$objectWrappers->wrap($m)->forEach(function ($it) use ($console) {
    $console->log($it);
});