class_docstr: Helper base class for the :class:`Domain` and :class:`Sample` classes.
  
  It implements common logic for creation, representation, type conversion
  and serialisation.
class_docstr_tok: ["Helper","base","class","for","the",":","class",":","`","Domain","`","and",":","class",":","`","Sample","`","classes",".","It","implements","common","logic","for","creation",",","representation",",","type","conversion","and","serialisation","."]
docstr: Return the representation of the recursive dict using the
  string method.
docstr_tok: ["Return","the","representation","of","the","recursive","dict","using","the","string","method","."]
code: def __repr__(self):
      """Return the representation of the recursive dict using the
      string method.
      """
      return str(self)
  
imports: import ast
  import copy
  import os
  import pickle
  import random
  from collections import namedtuple
  from typing import Tuple
label_desc: Use image node_id 3 for calling the _RecursiveDict obj's underlying member method code with example usage: obj.__repr__() and returns: str