class_docstr: Base Vocabulary class.
  
  This class only needs a vocabulary dictionary without specifying the characters.
  
  Args:
      vocab (Dict): A dictionary of characters and their corresponding indices.
docstr: Set the vocabulary dictionary and character mapping dictionaries.
docstr_tok: ["Set","the","vocabulary","dictionary","and","character","mapping","dictionaries","."]
code: def vocab(self, vocab):
      """Set the vocabulary dictionary and character mapping dictionaries."""
      self._vocab, self._char_to_id, self._id_to_char = None, None, None
      if vocab is not None:
          self._vocab = vocab
          self._char_to_id = {
              char: idx for idx, char in enumerate(self._vocab)
          }
          self._id_to_char = {
              idx: char
              for idx, char in enumerate(
                  self._vocab
              )  # pylint: disable=unnecessary-comprehension
          }
  
imports: from dataclasses import replace
  from typing import Dict
  from TTS.tts.configs.shared_configs import CharactersConfig
label_desc: Use image node_id 7 for calling the BaseVocabulary obj's underlying member method code with example usage: obj.vocab(vocab) without return types