eca-1.0.x-dev/modules/ui/eca_ui.services.yml

services:

  eca_ui.v3.migrate:
    class: Drupal\eca_ui\V3Migrate
    arguments:
      - '@plugin.manager.modeler_api.model_owner'
      - '@plugin.manager.modeler_api.modeler'
      - '@messenger'

  eca_ui.event_subscriber:
    class: Drupal\eca_ui\EventSubscriber\ConfigImport
    arguments:
      - '@eca_ui.v3.migrate'
    tags:
      - { name: event_subscriber }