code: def target_dictionary(self):
      return None
  
file_path: fairseq/examples/data2vec/tasks/mae_image_classification.py
imports: import logging
  import sys
  import torch
  from typing import Optional
  from dataclasses import dataclass, field
  from omegaconf import MISSING
  from fairseq.dataclass import FairseqDataclass
  from fairseq.tasks import FairseqTask, register_task
  from fairseq.logging import metrics
label_desc: Use image node_id 6 for calling the MaeImageClassificationTask obj's underlying member method code with example usage: obj.target_dictionary() and returns: None