class_docstr: Create the registry that will map name to object.
  This facilitates the users to create custom registry.
code: def _do_register(self, name: str, obj: object) -> None:
      assert (
          name not in self._obj_map
      ), "An object named '{}' was already registered in '{}' registry!".format(
          name, self._name
      )
      self._obj_map[name] = obj
  
file_path: autogluon/multimodal/src/autogluon/multimodal/registry.py
imports: import json
  from collections import OrderedDict
  from json import JSONDecodeError
  from typing import List
  from typing import OrderedDict
label_desc: Use image node_id 3 for calling the Registry obj's underlying member method code with example usage: obj._do_register(name, obj) without return types