code: def get_health() -> APIResponse:
      """Return the health of the airflow scheduler, metadatabase and triggerer."""
      airflow_health_status = get_airflow_health()
      return health_schema.dump(airflow_health_status)
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING
  from airflow.api.common.airflow_health import get_airflow_health
  from airflow.api_connexion.schemas.health_schema import health_schema
label_desc: Use image node_id 1 for calling a global function with example usage: get_health() and returns: health_schema