block.services.yml

services:
  plugin.manager.block:
    class: Drupal\block\Plugin\Type\BlockManager
    arguments: ['@container.namespaces', '@cache.block', '@language_manager', '@module_handler', '@string_translation']
  cache.block:
    class: Drupal\Core\Cache\CacheBackendInterface
    tags:
      - { name: cache.bin }
    factory_method: get
    factory_service: cache_factory
    arguments: [block]
  block.route_subscriber:
    class: Drupal\block\Routing\RouteSubscriber
    tags:
      - { name: event_subscriber}