code: def requires_authentication(function: T):
      """Mark a function as requiring authentication."""
  
      @wraps(function)
      def decorated(*args, **kwargs):
          auth = current_app.api_auth[0]
          return auth.requires_authentication(function)(*args, **kwargs)
  
      return cast(T, decorated)
  
imports: from __future__ import annotations
  import logging
  from functools import wraps
  from typing import TYPE_CHECKING, Callable, TypeVar, cast
  from flask import Blueprint, current_app, g, jsonify, request, url_for
  from airflow import models
  from airflow.api.common.experimental import delete_dag, pool, trigger_dag
  from airflow.api.common.experimental.get_code import get_code
  from airflow.api.common.experimental.get_dag_run_state import get_dag_run_state
  from airflow.api.common.experimental.get_dag_runs import get_dag_runs
  from airflow.api.common.experimental.get_lineage import get_lineage
  from airflow.api.common.experimental.get_task import get_task
  from airflow.api.common.experimental.get_task_instance import get_task_instance
  from airflow.exceptions import AirflowException
  from airflow.utils import timezone
  from airflow.utils.docs import get_docs_url
  from airflow.utils.strings import to_boolean
  from airflow.version import version
label_desc: Use image node_id 1 for calling a global function with example usage: requires_authentication(function) and returns: cast, auth