Service controller_resolver detail

Computed Definition =>

array:4 [
  "class" => "Drupal\Core\Controller\ControllerResolver"
  "arguments" => {#1571
    +"type": "collection"
    +"value": array:1 [
      0 => {#1569
        +"type": "service"
        +"id": "callable_resolver"
        +"invalidBehavior": 1
      }
    ]
  }
  "arguments_count" => 1
  "alias" => "Drupal\Core\Controller\ControllerResolverInterface"
]

Instance =>

Drupal\Core\Controller\ControllerResolver {#76
  #callableResolver: Drupal\Core\Utility\CallableResolver {#78
    #classResolver: Drupal\Core\DependencyInjection\ClassResolver {#80
      #container: Drupal\Core\DependencyInjection\Container {#40 …7}
      #_serviceIds: []
      #_entityStorages: []
    }
  }
}