code: def get_num_vocabulary_size(self) -> int:
      return len(self.token_list)
  
file_path: espnet/espnet2/text/token_id_converter.py
imports: from pathlib import Path
  from typing import Dict, Iterable, List, Union
  import numpy
  from typeguard import check_argument_types
label_desc: Use image node_id 2 for calling the TokenIDConverter obj's underlying member method code with example usage: obj.get_num_vocabulary_size() and returns: len