# File lib/aws/xml_grammar.rb, line 359
      def config_eval(config)
        config.each do |item|
          (type, identifier, args) = parse_config_item(item)
          case type
          when :method
            validate_config_method(identifier)
            validate_args(identifier, args)
            send(identifier, *args)
          when :element
            element(identifier) do
              config_eval(args)
            end
          end
        end
      end