class_docstr: Helper class used by nfa_to_dfa() to map back and forth between
  sets of states from the old machine and states of the new machine.
code: def __init__(self, new_machine):
      self.new_machine = new_machine
      self.old_to_new_dict = {}
      self.new_to_old_dict = {}
  
file_path: catboost/contrib/tools/cython/Cython/Plex/DFA.py
imports: from __future__ import absolute_import
  from .None import Machines
  from .Machines import LOWEST_PRIORITY
  from .Transitions import TransitionMap
label_desc: Use image node_id 1 to create a new StateMap object from inherited base classes: object with example: obj = StateMap(new_machine)