code: def dedent(self):
      self.indent_level = max(self.indent_level - 1, 0)
  
imports: import os
  import re
  import typing
  from dataclasses import dataclass, field
  from shutil import copy, rmtree
  import swagger_parser
  from typing_extensions import Literal, assert_never
label_desc: Use image node_id 3 for calling the IndentedLines obj's underlying member method code with example usage: obj.dedent() without return types