domain_menu_access-8.x-1.x-dev/domain_menu_access.routing.yml

domain_menu_access.settings:
  path: '/admin/config/domain/domain_menu_access/config'
  defaults:
    _form: '\Drupal\domain_menu_access\Form\DomainMenuAccessSettingsForm'
    _title: 'Domain menu configuration'
  requirements:
    _permission: 'administer domains'