code: def clear_flag_prefixes() -> None:
      """Clear flag prefixes added by add_flag_prefixes()."""
      global _extra_flag_prefixes
      _extra_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 2 for calling a global function with example usage: clear_flag_prefixes() without return types