docstr: Sets all the headers in ``other`` in this object.
  
  For example, if this object is ``{"my-header": "my-value", "my-other-header": "my-other-value"}``
  and other is {"my-header": 3¸ "other-header": 4}
code: def update(self, other: t.Mapping[t.Any, t.Any]) -> None:
      """
      Sets all the headers in ``other`` in this object.
  
      For example, if this object is ``{"my-header": "my-value", "my-other-header": "my-other-value"}``
      and other is {"my-header": 3¸ "other-header": 4}
      """
  
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 5 for calling the Metadata obj's underlying member method code with example usage: obj.update(other) without return types