code: def get_default_config(cls) -> AlgorithmConfig:
      return QMixConfig()
  
file_path: ray/python/ray/rllib/algorithms/qmix/qmix.py
imports: from typing import Optional
  from ray.rllib.algorithms.algorithm_config import AlgorithmConfig, NotProvided
  from ray.rllib.algorithms.simple_q.simple_q import SimpleQ, SimpleQConfig
  from ray.rllib.utils.annotations import override
  from ray.rllib.utils.deprecation import DEPRECATED_VALUE, Deprecated, deprecation_warning, ALGO_DEPRECATION_WARNING
label_desc: Use image node_id 1 for calling the QMix obj's underlying member method code with example usage: obj.get_default_config(cls) and returns: QMixConfig