/// <summary> /// Called when any OPTIONS unhandled request (any path). /// </summary> /// <param name="webserver">The webserver.</param> /// <param name="action">The action.</param> /// <returns> /// The webserver instance. /// </returns> /// <exception cref="ArgumentNullException">webserver.</exception> public static IWebServer OnOptions(this IWebServer webserver, WebHandler action) => webserver.WithAction(ModuleMap.AnyPath, Constants.HttpVerbs.Options, action);
