code: def get_default_secrets_backend_type():
      from metaflow.metaflow_config import DEFAULT_SECRETS_BACKEND_TYPE
  
      if DEFAULT_SECRETS_BACKEND_TYPE is None:
          raise MetaflowException(
              "No default secrets backend type configured, but needed by @secrets. "
              "Set METAFLOW_DEFAULT_SECRETS_BACKEND_TYPE."
          )
      return DEFAULT_SECRETS_BACKEND_TYPE
  
imports: import os
  import re
  from metaflow.exception import MetaflowException
  from metaflow.decorators import StepDecorator
  from metaflow.metaflow_config import DEFAULT_SECRETS_ROLE
  from metaflow.unbounded_foreach import UBF_CONTROL
  from typing import Any, Dict, List, Union
label_desc: Use image node_id 1 for calling a global function with example usage: get_default_secrets_backend_type() and returns: DEFAULT_SECRETS_BACKEND_TYPE