async fn create_load_balancer_listeners(
        &self,
        input: CreateLoadBalancerListenerInput,
    ) -> Result<CreateLoadBalancerListenerOutput, RusotoError<CreateLoadBalancerListenersError>>
    {
        let mut request = SignedRequest::new("POST", "elasticloadbalancing", &self.region, "/");
        let params = self.new_params("CreateLoadBalancerListeners");
        let mut params = params;
        CreateLoadBalancerListenerInputSerializer::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, CreateLoadBalancerListenersError::from_response)
            .await?;

        let result = CreateLoadBalancerListenerOutput::default();

        drop(response); // parse non-payload
        Ok(result)
    }
<p>Creates one or more listeners for the specified load balancer. If a listener with the specified port does not already exist, it is created; otherwise, the properties of the new listener must match the properties of the existing listener.</p> <p>For more information, see <a href="https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-listener-config.html">Listeners for Your Classic Load Balancer</a> in the <i>Classic Load Balancers Guide</i>.</p>
rusoto/services/elb/src/generated.rs