code: def __repr__(self) -> str:
      return "{}({})".format(
          self.__class__.__name__,
          ", ".join(f"{k}={v!r}" for k, v, _ in self._tuples),
      )
  
imports: from __future__ import annotations
  import re
  from typing import Callable, Dict, Iterable, Iterator, Pattern
  from typing import Match
  from .regex_parser import AnyNode, Lookahead, Node, NodeSequence, Regex, Repeat, Variable, parse_regex, tokenize_regex
label_desc: Use image node_id 2 for calling the Variables obj's underlying member method code with example usage: obj.__repr__() and returns: str