admin_menu-8.x-3.x-dev/admin_menu.permissions.yml

access administration menu:
  title: 'Access administration menu'
  description: 'Display the administration menu at the top of each page.'

flush caches:
  title: 'Flush caches'
  description: 'Access links to flush caches in the administration menu.'

display drupal links:
  title: 'Display Drupal links'
  description: 'Provide Drupal.org links in the administration menu.'