class_docstr: 32k vocab.
class_docstr_tok: ["32k","vocab","."]
code: def max_chars_for_vocab(self):
      return 100 * (10**6)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import subprocess
  import numpy
  from tensor2tensor.data_generators import generator_utils
  from tensor2tensor.data_generators import problem
  from tensor2tensor.data_generators import text_encoder
  from tensor2tensor.data_generators import text_problems
  from tensor2tensor.utils import registry
  import tensorflow.compat.v1
label_desc: Use image node_id 2 for calling the LanguagemodelWikiNorefV32kL1k obj's underlying member method code with example usage: obj.max_chars_for_vocab() and returns: unknown