WC_Order_Refund::__construct PHP Method

    public function __construct($read = 0)
    {
        $this->data = array_merge($this->data, $this->extra_data);
        parent::__construct($read);
    }

 /**
  * Call parent constructor when this object is created
  * @param int|WC_Order_Refund $refund
  */
 public function __construct($refund)
 {
     parent::__construct($refund);
 }