Service system.config_subscriber detail

Computed Definition =>

array:3 [
  "class" => "Drupal\system\SystemConfigSubscriber"
  "arguments" => {#1573
    +"type": "collection"
    +"value": array:1 [
      0 => {#1569
        +"type": "service"
        +"id": "router.builder"
        +"invalidBehavior": 1
      }
    ]
  }
  "arguments_count" => 1
]

Instance =>

Drupal\system\SystemConfigSubscriber {#1567
  #routerBuilder: Drupal\Core\ProxyClass\Routing\RouteBuilder {#1572
    #drupalProxyOriginalServiceId: "drupal.proxy_original_service.router.builder"
    #service: null
    #container: Drupal\Core\DependencyInjection\Container {#40 …7}
    #_serviceIds: []
    #_entityStorages: []
  }
  #stringTranslation: null
}