dcat-8.x-1.x-dev/dcat_export/dcat_export.services.yml

services:
  dcat_export:
    class: Drupal\dcat_export\DcatExportService
    arguments: ['@config.factory', '@entity_type.manager', '@event_dispatcher', '@path.current']
  dcat_export.event_subscriber.request_format:
    class: Drupal\dcat_export\EventSubscriber\RequestFormatEventSubscriber
    tags:
      - {name: event_subscriber}