a12s-1.0.0-beta7/modules/layout/a12s_layout.services.yml

services:
  plugin.manager.a12s_layout_display_template:
    class: Drupal\a12s_layout\DisplayOptions\DisplayTemplatePluginManager
    parent: default_plugin_manager
    arguments: ['@entity_type.manager']

  plugin.manager.a12s_layout_display_options_set:
    class: Drupal\a12s_layout\DisplayOptions\DisplayOptionsSetPluginManager
    parent: default_plugin_manager
    arguments: ['@transliteration']