public function getInstance(AmazonPay $module) {
        $instance = null;
        $theme = AmazonPay::getThemeConfig()['stylesheet'];
        switch ($theme) {
            case Constants::TCD_GLOMOUR:
                $instance = new Themes\TcdGlamour($module);
                break;
            case Constants::TCD_ICONIC:
                $instance = new Themes\TcdIconic($module);
                break;
            case Constants::TCD_EGO:
                $instance = new Themes\TcdEgo($module);
                break;
            default:
                $instance = new CustomerPage($module);
                break;
        }

        return $instance;
    }