*/ class Mage_Sales_Model_Order_Invoice_Config extends Mage_Sales_Model_Order_Total_Config_Base { /** * Cache key for collectors * * @var string */ protected $_collectorsCacheKey = 'sorted_order_invoice_collectors'; /** * Constructor */ public function __construct() { parent::__construct(Mage::getConfig()->getNode('global/sales/order_invoice')); } }