WC_Connect_Service_Settings_Store::get_service_settings_key PHP Method

        protected function get_service_settings_key($service_id, $service_instance = false)
        {
            if (!$service_instance) {
                return 'woocommerce_' . $service_id . '_form_settings';
            }
            return 'woocommerce_' . $service_id . '_' . $service_instance . '_form_settings';
        }