code: def set_state(self, state: Dict):
      self.counter = state["counter"]
  
file_path: ray/python/ray/tune/tests/execution/test_controller_callback_integration.py
imports: from typing import Dict, Optional
  import pytest
  import sys
  import ray
  from ray.air.execution import FixedResourceManager, PlacementGroupResourceManager
  from ray.tune import Callback
  from ray.tune.execution.tune_controller import TuneController
  from ray.tune.experiment import Trial
  from ray.train.tests.util import mock_storage_context
label_desc: Use image node_id 4 for calling the StatefulCallback obj's underlying member method code with example usage: obj.set_state(state) without return types