code: def _get_backend_config(self, model: BackendModel) -> LambdaConfig:
      return LambdaConfig(
          **json.loads(model.config),
          creds=LambdaCreds.parse_raw(model.auth),
      )
  
imports: import json
  from typing import List
  from requests import HTTPError
  from dstack._internal.core.backends.base import Backend
  from dstack._internal.core.backends.lambdalabs import LambdaBackend, api_client
  from dstack._internal.core.backends.lambdalabs.config import LambdaConfig
  from dstack._internal.core.errors import BackendInvalidCredentialsError
  from dstack._internal.core.models.backends.base import BackendType, ConfigElementValue, ConfigMultiElement
  from dstack._internal.core.models.backends.lambdalabs import AnyLambdaConfigInfo, LambdaConfigInfo, LambdaConfigInfoWithCreds, LambdaConfigInfoWithCredsPartial, LambdaConfigValues, LambdaCreds, LambdaStoredConfig
  from dstack._internal.server.models import BackendModel, ProjectModel
  from dstack._internal.server.services.backends.configurators.base import Configurator, raise_invalid_credentials_error
label_desc: Use image node_id 6 for calling the LambdaConfigurator obj's underlying member method code with example usage: obj._get_backend_config(model) and returns: LambdaConfig