code: def dataset(self) -> Dataset | None:
      return self._dataset
  
file_path: SMAC3/benchmark/src/models/model.py
imports: from __future__ import annotations
  from abc import abstractmethod
  from ConfigSpace import ConfigurationSpace
  from src.datasets.dataset import Dataset
label_desc: Use image node_id 2 for calling the Model obj's underlying member method code with example usage: obj.dataset() and returns: self