farm-2.x-dev/modules/core/quick/farm_quick.routing.yml

farm.quick:
  path: '/quick'
  defaults:
    _controller: '\Drupal\farm_quick\Controller\QuickFormController::index'
    _title: 'Quick forms'
  requirements:
    _permission: 'view quick forms index'

route_callbacks:
  - 'plugin.manager.quick_form:getRoutes'