code: def cls_id(self):
      self.check_special_token_id_getting(self.cls_token, "cls_id")
      return self.vocab[self.cls_token]
  
imports: import json
  import os
  import warnings
  from collections import Counter
  from enum import Enum
  from pathlib import Path
  from typing import Dict, List, NewType, Optional, Union
  from nemo.collections.common.tokenizers.tokenizer_spec import TokenizerSpec
label_desc: Use image node_id 22 for calling the CharTokenizer obj's underlying member method code with example usage: obj.cls_id() and returns: self