new

# File actionpack/lib/action_dispatch/routing/route_set.rb, line 215
      def initialize(request_class = ActionDispatch::Request)
        self.routes = []
        self.named_routes = NamedRouteCollection.new
        self.resources_path_names = self.class.default_resources_path_names.dup
        self.default_url_options = {}

        self.request_class = request_class
        self.valid_conditions = request_class.public_instance_methods.map { |m| m.to_sym }
        self.valid_conditions.delete(:id)
        self.valid_conditions.push(:controller, :action)

        @append = []
        @prepend = []
        @disable_clear_and_finalize = false
        clear!
      end