src/anthropic/lib/bedrock/_client.py [202:246]:
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        max_retries: int | NotGiven = NOT_GIVEN,
        default_headers: Mapping[str, str] | None = None,
        set_default_headers: Mapping[str, str] | None = None,
        default_query: Mapping[str, object] | None = None,
        set_default_query: Mapping[str, object] | None = None,
        _extra_kwargs: Mapping[str, Any] = {},
    ) -> Self:
        """
        Create a new client instance re-using the same options given to the current client with optional overriding.
        """
        if default_headers is not None and set_default_headers is not None:
            raise ValueError("The `default_headers` and `set_default_headers` arguments are mutually exclusive")

        if default_query is not None and set_default_query is not None:
            raise ValueError("The `default_query` and `set_default_query` arguments are mutually exclusive")

        headers = self._custom_headers
        if default_headers is not None:
            headers = {**headers, **default_headers}
        elif set_default_headers is not None:
            headers = set_default_headers

        params = self._custom_query
        if default_query is not None:
            params = {**params, **default_query}
        elif set_default_query is not None:
            params = set_default_query

        return self.__class__(
            aws_secret_key=aws_secret_key or self.aws_secret_key,
            aws_access_key=aws_access_key or self.aws_access_key,
            aws_region=aws_region or self.aws_region,
            aws_session_token=aws_session_token or self.aws_session_token,
            base_url=base_url or self.base_url,
            timeout=self.timeout if isinstance(timeout, NotGiven) else timeout,
            http_client=http_client,
            max_retries=max_retries if is_given(max_retries) else self.max_retries,
            default_headers=headers,
            default_query=params,
            **_extra_kwargs,
        )

    # Alias for `copy` for nicer inline usage, e.g.
    # client.with_options(timeout=10).foo.create(...)
    with_options = copy
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