code: def health(backend: str) -> bool:
      """
      Check if the backend is healthy.
  
      Args:
          backend: The name of the backend.
  
      .. note::
  
          If given backend is a type of OCIBuilder, and the backend is not registered,
          make sure to register it with ``bentoml.container.register_backend``.
  
      Returns:
          True if the backend is healthy, False otherwise.
      """
      return get_backend(backend).health()
  
imports: from __future__ import annotations
  import contextlib
  import importlib
  import logging
  import os
  import sys
  import types
  import typing
  from typing import TYPE_CHECKING
  import fs
  import fs.mirror
  from simple_di import Provide
  from simple_di import inject
  from ...exceptions import InvalidArgument
  from ..configuration.containers import BentoMLContainer
  from ..utils import bentoml_cattr
  from .base import OCIBuilder
  from .generate import generate_containerfile
label_desc: Use image node_id 9 for calling a global function with example usage: health(backend) and returns: get_backend