code: def enable_interactive_mode(extra_state_savers=None):
      """Function that enables multiprocessing in interactive mode.
  
      This function accepts an `extra_state_savers` argument;
      users can provide a list of `tf_agents.multiprocessing.StateSaver` instances,
      where a `StateSaver` tells multiprocessing how to store some global state
      and how to restore it in the subprocess.
  
      Args:
        extra_state_savers: A list of `StateSaver` instances.
      """
      if _INITIALIZED[0]:
          raise ValueError("Multiprocessing already initialized")
      extra_state_savers = extra_state_savers or []
      _STATE_SAVERS.extend(extra_state_savers)
      _INITIALIZED[0] = True
  
file_path: agents/tf_agents/system/default/multiprocessing_core.py
imports: import abc
  import multiprocessing
  from typing import Any, Text
  from absl import app
label_desc: Use image node_id 5 for calling a global function with example usage: enable_interactive_mode(extra_state_savers) without return types