text: public virtual UpdateSecurityGroupRuleDescriptionsEgressResponse UpdateSecurityGroupRuleDescriptionsEgress(UpdateSecurityGroupRuleDescriptionsEgressRequest request){var options = new InvokeOptions();options.RequestMarshaller = UpdateSecurityGroupRuleDescriptionsEgressRequestMarshaller.Instance;options.ResponseUnmarshaller = UpdateSecurityGroupRuleDescriptionsEgressResponseUnmarshaller.Instance;return Invoke<UpdateSecurityGroupRuleDescriptionsEgressResponse>(request, options);}