code: def ids_to_tokens(self, ids: List[int]) -> List[str]:
      return [self.inv_vocab[id] for id in ids]
  
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 14 for calling the CharTokenizer obj's underlying member method code with example usage: obj.ids_to_tokens(ids) and returns: unknown