code: def is_vocab_build(self) -> bool:
      return self.vocab_size != 0
  
file_path: Kashgari/kashgari/processors/abc_processor.py
imports: from abc import ABC
  from typing import Dict, List, Optional, Any, Tuple
  import numpy
  from kashgari.generators import CorpusGenerator
  from kashgari.types import TextSamplesVar
label_desc: Use image node_id 4 for calling the ABCProcessor obj's underlying member method code with example usage: obj.is_vocab_build() and returns: unknown