niobi-8.x-2.0-alpha4/modules/niobi_admin/niobi_admin.routing.yml

# General routes for the Niobi Admin module.
niobi_admin.settings:
  path: '/admin/niobi'
  defaults:
    _form: '\Drupal\niobi_admin\Form\NiobiAdminSettingsForm'
    _title: 'Niobi Admin'
  requirements:
    _permission: 'administer niobi'