class_docstr: BERT model ("Bidirectional Encoder Representations from Transformers").
class_docstr_tok: ["BERT","model","(","``","Bidirectional","Encoder","Representations","from","Transformers","''",")","."]
code: def max_position_embeddings_dim(self):
      return mtf.Dimension(
          "max_position_embeddings", self.config.max_position_embeddings
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import copy
  import json
  import math
  import re
  import mesh_tensorflow
  import mesh_tensorflow.transformer.moe
  import six
  import tensorflow.compat.v1
label_desc: Use image node_id 21 for calling the BertModel obj's underlying member method code with example usage: obj.max_position_embeddings_dim() and returns: mtf