code: def get_artifact_file_cache() -> ArtifactFileCache:
      global _artifact_file_cache
      if _artifact_file_cache is None:
          _artifact_file_cache = ArtifactFileCache(
              env.get_cache_dir() / "artifacts"
          )
      return _artifact_file_cache
  
imports: import contextlib
  import errno
  import hashlib
  import os
  import shutil
  import subprocess
  import sys
  from pathlib import Path
  from tempfile import NamedTemporaryFile
  from typing import IO, TYPE_CHECKING, ContextManager, Generator, Optional, Tuple
  import wandb
  from wandb import env, util
  from wandb.errors import term
  from wandb.sdk.lib.filesystem import files_in
  from wandb.sdk.lib.hashutil import B64MD5, ETag, b64_to_hex_id
  from wandb.sdk.lib.paths import FilePathStr, StrPath, URIStr
label_desc: Use image node_id 1 for calling a global function with example usage: get_artifact_file_cache() and returns: _artifact_file_cache