at_theme-1.4.1/at_core/templates/views/views-view-row-opml.html.twig

{#
/**
 * @file
 * Theme override to display an item in a views OPML feed.
 *
 * Available variables:
 * - attributes: Attributes for outline element.
 *
 * @see template_preprocess_views_view_row_opml()
 */
#}
    <outline{{ attributes }}/>