protected function loadConfirmComponents() {
        $order = [
            'amazonCheckoutDetails',
            'purchaseButton',
            'registerWithAmazonForm',
            'linkMembersToAmazonForm',
        ];
        $order = $this->filterConfirmComponentsOrder($order);
        foreach ($order as $compname) {
            $this->childComponents[$compname]->templateIfLoad();
        }
    }