protected function hydrateLineItems($items)
    {
        $result = array();
        if ($items == null) {
            return $result;
        }

        foreach ($items as $i => $item) {
            $result = array_merge(
                $result,
                array(
                    'Item_Name_'     . $i => $item->name,
                    'Item_Desc_'     . $i => $item->description,
                    'Item_Price_'    . $i => $this->formatAmount($item->amount),
                    'Item_Quantity_' . $i => $item->quantity,
                    'Item_SKU_'      . $i => $item->number,
                )
            );
        }

        return $result;
    }