rewrite_path

# File actionpack/lib/action_controller/url_rewriter.rb, line 119
      def rewrite_path(options)
        options = options.symbolize_keys
        options.update(options[:params].symbolize_keys) if options[:params]

        if (overwrite = options.delete(:overwrite_params))
          options.update(@parameters.symbolize_keys)
          options.update(overwrite.symbolize_keys)
        end

        RESERVED_OPTIONS.each { |k| options.delete(k) }

        # Generates the query string, too
        Routing::Routes.generate(options, @request.symbolized_path_parameters)
      end