geshifilter-8.x-2.0-beta1/codesnippetgeshi/codesnippetgeshi.routing.yml

codesnippetgeshi.ajax:
  path: '/codesnippetgeshi/ajax'
  defaults:
    _controller: '\Drupal\codesnippetgeshi\Controller\GeshiController::ajax'
  requirements:
    _permission: 'access content'