class ActionDispatch::Routing::RouteSet

def generate_extras(options, recall = {})
  if recall
    options = options.merge(_recall: recall)
  end
  route_name = options.delete :use_route
  generator = generate(route_name, options, recall)
  path_info = path_for(options, route_name, [])
  [URI(path_info).path, generator.params.except(:_recall).keys]
end