WC_Connect_Service_Settings_Store::update_packages PHP Method

        public function update_packages($packages)
        {
            update_option('wc_connect_packages', $packages);
        }

 public function update_items($request)
 {
     $request_body = $request->get_body();
     $packages = json_decode($request_body, true, WOOCOMMERCE_CONNECT_MAX_JSON_DECODE_DEPTH);
     $this->service_settings_store->update_packages($packages['custom']);
     $this->service_settings_store->update_predefined_packages($packages['predefined']);
     return new WP_REST_Response(array('success' => true), 200);
 }