Modify: Resolve issue
@@ -1188,7 +1188,8 @@ class Options {
*
* @param {string} name The name of the cookie to retrieve.
* @return {!Promise<?Options.Cookie>} A promise that will be resolved
- * with the named cookie, or `null` if there is no such cookie.
+ * with the named cookie
+ * @throws {error.NoSuchCookieError} if there is no such cookie.
*/
async getCookie(name) {
try {
