https://docs.aws.amazon.com/cdk/api/v2/java/software/amazon/awscdk/interfaces/appconfig/IExtensionRef.Jsii$Default.html
IExtensionRef.Jsii$Default (AWS CDK 2.253.0 API)
declaration: package: software.amazon.awscdk.interfaces.appconfig, interface: IExtensionRef, interface: Jsii$Default
aws cdkjsiidefaultapi