docs: def _add_tags(conn, load_balancer_names, tags):
      '''
      Create new metadata tags for the specified resource ids.
  
      :type load_balancer_names: list
      :param load_balancer_names: A list of load balancer names.
  
      :type tags: dict
      :param tags: A dictionary containing the name/value pairs.
                   If you want to create only a tag name, the
                   value for that tag should be the empty string
                   (e.g. '').
      '''
      params = {}
      conn.build_list_params(params, load_balancer_names,
                             'LoadBalancerNames.member.%d')
      _build_tag_param_list(params, tags)
      return conn.get_status('AddTags', params, verb='POST')