Lw\Domain\Model\Wish\WishId::id PHP Метод

    public function id()
    {
        return $this->id;
    }

 /**
  * {@inheritdoc}
  */
 public function ofId(WishId $wishId)
 {
     if (!isset($this->wishes[$wishId->id()])) {
         return;
     }
     return $this->wishes[$wishId->id()];
 }