context-8.x-4.x-dev/context.services.yml

services:
  context.manager:
    class: Drupal\context\ContextManager
    arguments: ['@entity_type.manager', '@context.repository', '@context.handler', '@entity.form_builder', '@theme.manager', '@current_route_match']
  plugin.manager.context_reaction:
    class: Drupal\context\ContextReactionManager
    parent: default_plugin_manager
  context.block_page_display_variant_subscriber:
    class: Drupal\context\EventSubscriber\BlockPageDisplayVariantSubscriber
    arguments: ['@context.manager']
    tags:
      - { name: event_subscriber }
  theme.negotiator.context_themeswitcher:
    class: Drupal\context\Theme\ThemeSwitcherNegotiator
    arguments: ['@context.manager']
    tags:
      - { name: theme_negotiator, priority: 1000 }