code: def target_dictionary(self):
      return self.dictionary
  
imports: import logging
  import os
  from dataclasses import dataclass, field
  from typing import List, Optional, Tuple
  import torch
  from fairseq import utils
  from fairseq.data import Dictionary, TokenBlockDataset, data_utils, iterators
  from fairseq.dataclass import FairseqDataclass
  from fairseq.distributed import utils
  from fairseq.tasks import FairseqTask, register_task
  from omegaconf import II
label_desc: Use image node_id 10 for calling the TruncatedBPTTLMTask obj's underlying member method code with example usage: obj.target_dictionary() and returns: self