class_docstr: Represents the registration information of a hook callback.
code: def func_name(self):
      return self._func.__qualname__
  
imports: import logging
  from collections import defaultdict
  from inspect import isclass, signature
  from itertools import count
  from queue import Queue
  from typing import Any, Callable, Dict, Iterator, List, NewType, Optional, Sequence, Set, Type, Union, cast
label_desc: Use image node_id 3 for calling the HookHandle obj's underlying member method code with example usage: obj.func_name() and returns: self