code: def foo(x, y, z=SENTINEL):
      """docstring"""
  
file_path: sphinx/tests/roots/test-ext-autodoc/target/preserve_defaults_special_constructs.py
imports: from __future__ import annotations
  from collections import namedtuple
  from dataclasses import dataclass, field
  from typing import NamedTuple, TypedDict
label_desc: Use image node_id 1 for calling a global function with example usage: foo(x, y, z) without return types