    # File lib/fog/aws/requests/rds/add_tags_to_resource.rb, line 14
            def add_tags_to_resource(rds_id, tags)
              keys    = tags.keys.sort
              values  = keys.map {|key| tags[key]}
              request({
                  'Action'        => 'AddTagsToResource',
                  'ResourceName'  => "arn:aws:rds:#{@region}:#{owner_id}:db:#{rds_id}",
                  :parser         => Fog::Parsers::AWS::RDS::Base.new,
                }.merge(Fog::AWS.indexed_param('Tags.member.%d.Key', keys)).
                  merge(Fog::AWS.indexed_param('Tags.member.%d.Value', values)))
            end