class_docstr: Abstract class for base text explainer 
docstr: Build the vocabulary (all words that appear at least once in text)
  
  :param text: a list of sentences (strings)
  :type text: list
docstr_tok: ["Build","the","vocabulary","(","all","words","that","appear","at","least","once","in","text",")",":","param","text",":","a","list","of","sentences","(","strings",")",":","type","text",":","list"]
code: def build_vocab(self, text: str):
      """Build the vocabulary (all words that appear at least once in text)
  
      :param text: a list of sentences (strings)
      :type text: list
      """
      pass
  
file_path: interpret-text/python/interpret_text/experimental/common/preprocessor/base_text_preprocessor.py
imports: from abc import abstractmethod, ABC
  from typing import Any, Iterable
label_desc: Use image node_id 1 for calling the BaseTextPreprocessor obj's underlying member method code with example usage: obj.build_vocab(text) without return types