async fn stop_db_cluster(
        &self,
        input: StopDBClusterMessage,
    ) -> Result<StopDBClusterResult, RusotoError<StopDBClusterError>> {
        let mut request = SignedRequest::new("POST", "rds", &self.region, "/");
        let params = self.new_params("StopDBCluster");
        let mut params = params;
        StopDBClusterMessageSerializer::serialize(&mut params, "", &input);
        request.set_payload(Some(serde_urlencoded::to_string(&params).unwrap()));
        request.set_content_type("application/x-www-form-urlencoded".to_owned());

        let response = self
            .sign_and_dispatch(request, StopDBClusterError::from_response)
            .await?;

        let mut response = response;
        let result = xml_util::parse_response(&mut response, |actual_tag_name, stack| {
            xml_util::start_element(actual_tag_name, stack)?;
            let result =
                StopDBClusterResultDeserializer::deserialize("StopDBClusterResult", stack)?;
            skip_tree(stack);
            xml_util::end_element(actual_tag_name, stack)?;
            Ok(result)
        })
        .await?;

        drop(response); // parse non-payload
        Ok(result)
    }
<p>Stops an Amazon Neptune DB cluster. When you stop a DB cluster, Neptune retains the DB cluster's metadata, including its endpoints and DB parameter groups.</p> <p>Neptune also retains the transaction logs so you can do a point-in-time restore if necessary.</p>
rusoto/services/neptune/src/generated.rs