async fn delete_flow_template(
        &self,
        input: DeleteFlowTemplateRequest,
    ) -> Result<DeleteFlowTemplateResponse, RusotoError<DeleteFlowTemplateError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header(
            "x-amz-target",
            "IotThingsGraphFrontEndService.DeleteFlowTemplate",
        );
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, DeleteFlowTemplateError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<DeleteFlowTemplateResponse, _>()
    }
<p>Deletes a workflow. Any new system or deployment that contains this workflow will fail to update or deploy. Existing deployments that contain the workflow will continue to run (since they use a snapshot of the workflow taken at the time of deployment).</p>
rusoto/services/iotthingsgraph/src/generated.rs