def asset_group_tags(asset_group_id)
      tag_summary = []
      asset_group_tag = JSON.parse(AJAX.get(self, "/api/2.0/asset_groups/#{asset_group_id}/tags", AJAX::CONTENT_TYPE::JSON, { per_page: 2_147_483_647 }))
      asset_group_tag['resources'].each do |json|
        tag_summary << TagSummary.parse(json)