docstr: Updates this metadata with the contents of ``other``
code: def __ior__(self, other: t.Mapping[t.Any, t.Any]) -> Metadata:
      """
      Updates this metadata with the contents of ``other``
      """
  
imports: from __future__ import annotations
  import contextlib
  import contextvars
  import os
  import typing
  from abc import ABC
  from abc import abstractmethod
  from typing import TYPE_CHECKING
  import attr
  import starlette.datastructures
  from .utils.http import Cookie
label_desc: Use image node_id 3 for calling the Metadata obj's underlying member method code with example usage: obj.__ior__(other) without return types