code: def get_instances(self, n: int = None) -> list[str]:
      raise NotImplementedError
  
file_path: SMAC3/benchmark/src/datasets/dataset.py
imports: from __future__ import annotations
  from abc import abstractmethod
  from typing import Any
  import numpy
label_desc: Use image node_id 3 for calling the Dataset obj's underlying member method code with example usage: obj.get_instances(n) without return types