drupal/core/modules/layout_discovery/layout_discovery.services.yml

services:
  plugin.manager.core.layout:
    class: Drupal\Core\Layout\LayoutPluginManager
    arguments: ['@container.namespaces', '@cache.discovery', '@module_handler', '@theme_handler']
Issue #2296423 by tim.plunkett, dsnopek, swentel, Manuel Garcia, tedbow, alexpott, xjm, andypost, dawehner, effulgentsia, Berdir, jhedstrom, catch, benjy, jibran, Wim Leers, tstoeckler, larowlan, webchick: Implement layout plugin type in core 2016-12-09 11:55:52 +00:00			`services:`
			`plugin.manager.core.layout:`
			`class: Drupal\Core\Layout\LayoutPluginManager`
			`arguments: ['@container.namespaces', '@cache.discovery', '@module_handler', '@theme_handler']`