# File lib/aws/core/options/xml_serializer.rb, line 100
        def hash_members_xml hash, rules, builder
          xml_ordered_members(rules).each do |member_name|
            if hash.key?(member_name)
              value = hash[member_name]
              to_xml(builder, member_name, rules[member_name], value)
            end
          end
        end