async fn revoke_cluster_security_group_ingress(
        &self,
        input: RevokeClusterSecurityGroupIngressMessage,
    ) -> Result<
        RevokeClusterSecurityGroupIngressResult,
        RusotoError<RevokeClusterSecurityGroupIngressError>,
    > {
        let mut request = SignedRequest::new("POST", "redshift", &self.region, "/");
        let params = self.new_params("RevokeClusterSecurityGroupIngress");
        let mut params = params;
        RevokeClusterSecurityGroupIngressMessageSerializer::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,
                RevokeClusterSecurityGroupIngressError::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 = RevokeClusterSecurityGroupIngressResultDeserializer::deserialize(
                "RevokeClusterSecurityGroupIngressResult",
                stack,
            )?;
            skip_tree(stack);
            xml_util::end_element(actual_tag_name, stack)?;
            Ok(result)
        })
        .await?;

        drop(response); // parse non-payload
        Ok(result)
    }
<p>Revokes an ingress rule in an Amazon Redshift security group for a previously authorized IP range or Amazon EC2 security group. To add an ingress rule, see <a>AuthorizeClusterSecurityGroupIngress</a>. For information about managing security groups, go to <a href="https://docs.aws.amazon.com/redshift/latest/mgmt/working-with-security-groups.html">Amazon Redshift Cluster Security Groups</a> in the <i>Amazon Redshift Cluster Management Guide</i>. </p>
rusoto/services/redshift/src/generated.rs