easy_social-8.x-3.x-dev/contrib/easy_social_example/easy_social_example.routing.yml

easy_social_example.settings:
  path: '/admin/config/services/easy-social/example'
  defaults:
    _form: '\Drupal\easy_social_example\SettingsForm'
  requirements:
    _permission: 'administer easy_social'