code: def save_state(self, path) -> None:
      pass
  
file_path: ray/python/ray/rllib/examples/rl_module/random_rl_module.py
imports: from typing import Mapping, Any
  from ray.rllib.core.rl_module import RLModule
  from ray.rllib.policy.sample_batch import SampleBatch
  import tree
  import pathlib
  import gymnasium
label_desc: Use image node_id 10 for calling the RandomRLModule obj's underlying member method code with example usage: obj.save_state(path) without return types