file_path: ray/rllib/algorithms/r2d2/r2d2.py
imports: from typing import Optional
  from ray.rllib.algorithms.algorithm_config import AlgorithmConfig, NotProvided
  from ray.rllib.algorithms.dqn import DQN, DQNConfig
  from ray.rllib.utils.annotations import override
  from ray.rllib.utils.deprecation import DEPRECATED_VALUE, Deprecated, ALGO_DEPRECATION_WARNING
label_desc: Use image node_id 1 to create a new R2D2Config object from inherited base classes: DQNConfig with example: obj = R2D2Config(algo_class)