code: def get_default_config(cls) -> AlgorithmConfig:
      return A3CConfig()
  
imports: import logging
  from typing import Any, Dict, List, Optional, Type, Union
  from ray.rllib.algorithms.algorithm import Algorithm
  from ray.rllib.algorithms.algorithm_config import AlgorithmConfig, NotProvided
  from ray.rllib.evaluation.rollout_worker import RolloutWorker
  from ray.rllib.policy.policy import Policy
  from ray.rllib.utils.annotations import override
  from ray.rllib.utils.metrics import APPLY_GRADS_TIMER, GRAD_WAIT_TIMER, NUM_AGENT_STEPS_SAMPLED, NUM_AGENT_STEPS_TRAINED, NUM_ENV_STEPS_SAMPLED, NUM_ENV_STEPS_TRAINED, SYNCH_WORKER_WEIGHTS_TIMER
  from ray.rllib.utils.metrics.learner_info import LearnerInfoBuilder
  from ray.rllib.utils.typing import ResultDict
label_desc: Use image node_id 1 for calling the A3C obj's underlying member method code with example usage: obj.get_default_config(cls) and returns: A3CConfig