io-8.x-1.x-dev/io.services.yml

services:
  io.manager:
    class: Drupal\io\IoManager
    arguments: ['@current_user', '@current_route_match', '@plugin.manager.block', '@blazy.manager']

  io.event_subscriber:
    class: Drupal\io\EventSubscriber\IoEventSubscriber
    tags:
      - { name: event_subscriber }