admin_toolbar_content-1.0.0/admin_toolbar_content.routing.yml

admin_toolbar_content.settings:
  path: '/admin/config/user-interface/admin-toolbar-content'
  defaults:
    _form: 'Drupal\admin_toolbar_content\Form\AdminToolbarContentSettingsForm'
    _title: 'Admin Toolbar Content'
  requirements:
    _permission: 'administer site configuration'