text: public virtual RevokeClusterSecurityGroupIngressResponse RevokeClusterSecurityGroupIngress(RevokeClusterSecurityGroupIngressRequest request){var options = new InvokeOptions();options.RequestMarshaller = RevokeClusterSecurityGroupIngressRequestMarshaller.Instance;options.ResponseUnmarshaller = RevokeClusterSecurityGroupIngressResponseUnmarshaller.Instance;return Invoke<RevokeClusterSecurityGroupIngressResponse>(request, options);}