Drupal 8 Kint how to modify maxLevels

kint.module.php

<?php
/**
 * Change function kint in devel/kint/kint.module
 *
 * Show $var up to level 6
 * kint($var, ['kint_maxLevels' => 6]),
 */
function kint() {
  kint_require();
  if (\Drupal::currentUser()->hasPermission('access kint')) {
    $maxLevels = 3;
    $args = func_get_args();

    if (func_num_args() > 1) {
      $last_arg = end($args);
      if (isset($last_arg['kint_maxLevels']) && count($last_arg) == 1) {
        array_pop($args);
        \Kint::$maxLevels = 3;
      }
    }

    if (count($args) == 1) {
      $args = array_pop($args);
    }

    if (PHP_SAPI === 'cli') {
      s($args);
    }
    else {
      \Kint::$maxLevels = $maxLevels;
      \Kint::dump($args);
    }
  }
}