text: public virtual RevokeSecurityGroupIngressResponse RevokeSecurityGroupIngress(RevokeSecurityGroupIngressRequest request){var options = new InvokeOptions();options.RequestMarshaller = RevokeSecurityGroupIngressRequestMarshaller.Instance;options.ResponseUnmarshaller = RevokeSecurityGroupIngressResponseUnmarshaller.Instance;return Invoke<RevokeSecurityGroupIngressResponse>(request, options);}