function withMultiVerbs(Router) {
 /**
  * Register route with concrete verbs.
  *
  * @param {Array} verbs
  * @param {String} name Optional.
  * @param {String} path
  * @param {Function=} middleware You may also pass multiple middleware.
  * @param {Function} callback
  * @returns {Router}
  */
 Router.prototype.verbs = function (verbs, path, middleware) {
   if (!Array.isArray(verbs) || verbs.length === 0) {
     throw new Error(
       'You have to provide a list of verbs when adding an verbs handler'
     );
   }

   if (typeof path === 'string') {
     middleware = Array.prototype.slice.call(arguments, 2);
   }

   // Sanity check to ensure we have a viable path candidate (eg: string|regex|non-empty array)
   if (
     typeof path !== 'string' &&
     !(path instanceof RegExp) &&
     (!Array.isArray(path) || path.length === 0)
   )
     throw new Error('You have to provide a path when adding an all handler');

   this.register(
     path,
     verbs.map((verb) => verb.toLowerCase()),
     middleware
   );

   return this;
 };

 return Router;
}

const Router = withMultiVerbs('@koa/router');