code: def get_airflow_context_vars(context) -> dict[str, str]:  # type: ignore[empty-body]
      """
      Inject airflow context vars into default airflow context vars.
  
      This setting allows getting the airflow context vars, which are key value pairs.  They are then injected
      to default airflow context vars, which in the end are available as environment variables when running
      tasks dag_id, task_id, execution_date, dag_run_id, try_number are reserved keys.
  
      :param context: The context for the task_instance of interest.
      """
  
file_path: airflow/airflow/policies.py
imports: from __future__ import annotations
  from typing import TYPE_CHECKING
  import pluggy
label_desc: Use image node_id 5 for calling a global function with example usage: get_airflow_context_vars(context) without return types