public function onClose(Player $who)
{
$who->updateExperience();
parent::onClose($who);
$this->getHolder()->getLevel()->dropItem($this->getHolder()->add(0.5, 0.5, 0.5), $this->getItem(1));
$this->getHolder()->getLevel()->dropItem($this->getHolder()->add(0.5, 0.5, 0.5), $this->getItem(0));
$this->clear(0);
$this->clear(1);
$this->clear(2);
}