code: def configure(
      *,
      api_key: str | None = None,
      credentials: ga_credentials.Credentials | dict | None = None,
      # The user can pass a string to choose `rest` or `grpc` or 'grpc_asyncio'.
      # See `_transport_registry` in `DiscussServiceClientMeta`.
      # Since the transport classes align with the client classes it wouldn't make
      # sense to accept a `Transport` object here even though the client classes can.
      # We could accept a dict since all the `Transport` classes take the same args,
      # but that seems rare. Users that need it can just switch to the low level API.
      transport: str | None = None,
      client_options: client_options_lib.ClientOptions
      | dict
      | None = None,
      client_info: gapic_v1.client_info.ClientInfo | None = None,
      default_metadata: Sequence[tuple[str, str]] = (),
  ):
      """Captures default client configuration.
  
      If no API key has been provided (either directly, or on `client_options`) and the
      `GOOGLE_API_KEY` environment variable is set, it will be used as the API key.
  
      Note: Not all arguments are detailed below. Refer to the `*ServiceClient` classes in
      `google.ai.generativelanguage` for details on the other arguments.
  
      Args:
          transport: A string, one of: [`rest`, `grpc`, `grpc_asyncio`].
          api_key: The API-Key to use when creating the default clients (each service uses
              a separate client). This is a shortcut for `client_options={"api_key": api_key}`.
              If omitted, and the `GOOGLE_API_KEY` environment variable is set, it will be
              used.
          default_metadata: Default (key, value) metadata pairs to send with every request.
              when using `transport="rest"` these are sent as HTTP headers.
      """
      return _client_manager.configure(
          api_key=api_key,
          credentials=credentials,
          transport=transport,
          client_options=client_options,
          client_info=client_info,
          default_metadata=default_metadata,
      )
  
imports: from __future__ import annotations
  import os
  import dataclasses
  import types
  from typing import Any, cast
  from collections.abc import Sequence
  import google.ai.generativelanguage
  from google.auth import credentials
  from google.api_core import client_options
  from google.api_core import gapic_v1
  from google.api_core import operations_v1
label_desc: Use image node_id 1 for calling a global function with example usage: configure() and returns: _client_manager