digital_signage_framework-2.3.x-dev/modules/crowdsec/digital_signage_crowdsec.services.yml

services:

  digital_signage_crowdsec.middleware:
    class: Drupal\digital_signage_crowdsec\Middleware
    # Must run before CrowdSec.
    tags:
      - { name: http_middleware, priority: 260 }