# File lib/aws/s3/acl_object.rb, line 236
        def body_xml_list_content(list_element, method_name)
          add_xml_child(method_name) do |list|
            list_content = list.map { |member| member.to_s }.join
            if list_content.empty?
              "<#{list_element}/>"
            else
              "<#{list_element}>#{list_content}</#{list_element}>"
            end
          end
        end