class_docstr: Abstract class of FrozenModel
class_docstr_tok: ["Abstract","class","of","FrozenModel"]
docstr: graph 
docstr_tok: ["graph"]
code: def graph(self):
      """graph"""
      raise NotImplementedError()
  
imports: import os
  import sys
  import abc
  from absl import logging
  import delta.compat
  from delta import utils
label_desc: Use image node_id 2 for calling the ABCFrozenModel obj's underlying member method code with example usage: obj.graph() without return types