code: def _asdict(self) -> dict:
      return {}
  
file_path: optuna/optuna/testing/distributions.py
imports: from __future__ import annotations
  from typing import Any
  from optuna.distributions import BaseDistribution
label_desc: Use image node_id 3 for calling the UnsupportedDistribution obj's underlying member method code with example usage: obj._asdict() and returns: dict