code: def download_file(
      local_download_path, s3_bucket, s3_key, s3_client
  ) -> None:
      s3_client.download_file(s3_bucket, s3_key, local_download_path)
  
imports: from __future__ import absolute_import
  import functools
  import json
  import uuid
  from typing import Any, Dict, List, Tuple
  import boto3
  import pandas
  import os
  from botocore.config import Config
  import pytest
  from tests.integ.sagemaker.jumpstart.constants import TEST_ASSETS_SPECS, TMP_DIRECTORY_PATH, TRAINING_DATASET_MODEL_DICT, ContentType
  from sagemaker.jumpstart.constants import JUMPSTART_DEFAULT_REGION_NAME
  from sagemaker.jumpstart.utils import get_jumpstart_content_bucket
  from sagemaker.session import Session
label_desc: Use image node_id 8 for calling a global function with example usage: download_file(local_download_path, s3_bucket, s3_key, s3_client) without return types