code: def _setup_dataloader_from_config(self, cfg: DictConfig, mode: str):
      raise NotImplementedError()
  
file_path: NeMo/nemo/collections/nlp/models/question_answering/qa_base_model.py
imports: from typing import Optional
  import torch
  from omegaconf import DictConfig, OmegaConf
  from pytorch_lightning import Trainer
  from nemo.collections.nlp.data.question_answering.data_processor.qa_processing import EVALUATION_MODE, INFERENCE_MODE, TRAINING_MODE
  from nemo.collections.nlp.models.nlp_model import NLPModel
  from nemo.utils import logging
label_desc: Use image node_id 6 for calling the BaseQAModel obj's underlying member method code with example usage: obj._setup_dataloader_from_config(cfg, mode) without return types