async fn get_software_updates(
        &self,
        input: GetSoftwareUpdatesRequest,
    ) -> Result<GetSoftwareUpdatesResult, RusotoError<GetSoftwareUpdatesError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header(
            "x-amz-target",
            "AWSIESnowballJobManagementService.GetSoftwareUpdates",
        );
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, GetSoftwareUpdatesError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<GetSoftwareUpdatesResult, _>()
    }
<p>Returns an Amazon S3 presigned URL for an update file associated with a specified <code>JobId</code>.</p>
rusoto/services/snowball/src/generated.rs