uswds-8.x-2.1-rc1/templates/system/menu/menu-local-tasks.html.twig

{#
/**
 * @file
 * USWDS theme implementation to display primary and secondary local tasks.
 */
#}
{% if primary %}
  <h2 class="visually-hidden">{{ 'Primary tabs'|t }}</h2>
  <ul {{ attributes }}>{{ primary }}</ul>
{% endif %}
{% if secondary %}
  <h2 class="visually-hidden">{{ 'Secondary tabs'|t }}</h2>
  <ul {{ attributes }}>{{ secondary }}</ul>
{% endif %}