code: def __init__(self) -> None:
      self._keys: list[str] = []
      self._descriptions: dict[str, str] = {}
      self._properties_to_func: defaultdict[
          str, defaultdict[str, dict[Any, Any]]
      ] = defaultdict(lambda: defaultdict(dict))
      self._func_name_to_properties: dict[Any, Any] = {}
  
file_path: popmon/popmon/base/registry.py
imports: from __future__ import annotations
  from collections import defaultdict
  from typing import Any, Callable
label_desc: Use image node_id 1 to create a new Registry object  with example: obj = Registry()