async fn create_cluster(
        &self,
        input: CreateClusterRequest,
    ) -> Result<CreateClusterResult, RusotoError<CreateClusterError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header(
            "x-amz-target",
            "AWSIESnowballJobManagementService.CreateCluster",
        );
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, CreateClusterError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<CreateClusterResult, _>()
    }
<p>Creates an empty cluster. Each cluster supports five nodes. You use the <a>CreateJob</a> action separately to create the jobs for each of these nodes. The cluster does not ship until these five node jobs have been created.</p>
rusoto/services/snowball/src/generated.rs