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

services:
  access_check.ticket.add:
    class: Drupal\ticket\Access\TicketAddAccessCheck
    arguments: ['@entity.manager']
    tags:
      - { name: access_check, applies_to: _ticket_add_access }
  access_check.registration.add:
      class: Drupal\ticket\Access\RegistrationAddAccessCheck
      arguments: ['@entity.manager']
      tags:
        - { name: access_check, applies_to: _registration_add_access }