geolocation-8.x-3.x-dev/modules/geolocation_google_maps/geolocation_google_maps.routing.yml

geolocation_google_maps.settings:
  path: '/admin/config/services/geolocation/google_maps'
  defaults:
    _form:  '\Drupal\geolocation_google_maps\Form\GeolocationGoogleMapsSettings'
    _title: 'Geolocation Google Maps settings'
  requirements:
    _permission: 'configure geolocation'