code: def add_flag_prefixes(flag_prefixes: list[str]) -> None:
      """Add flag prefixes to include in the cache key. Call prior to get()."""
      global _extra_flag_prefixes
      _extra_flag_prefixes += flag_prefixes
  
imports: import copy
  import hashlib
  import io
  import logging
  import os
  import sys
  from jax._src import config
  from jax._src.lib import version_str
  from jax._src.lib import xla_client
  from jax._src.lib.mlir import ir
  from jax._src.lib.mlir import passmanager
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: add_flag_prefixes(flag_prefixes) without return types