code: def policy(self) -> "PolicyName":
      raise NotImplementedError
  
imports: import abc
  import fnmatch
  import glob
  import logging
  import os
  import queue
  import time
  from typing import TYPE_CHECKING, Any, Mapping, MutableMapping, MutableSet, Optional
  from wandb import util
  from wandb.sdk.interface.interface import GlobStr
  from wandb.sdk.lib.paths import LogicalPath
label_desc: Use image node_id 2 for calling the FileEventHandler obj's underlying member method code with example usage: obj.policy() without return types