https://docs.aws.amazon.com/cdk/api/v2/java/software/amazon/awscdk/services/sns/subscriptions/SmsSubscriptionProps.Jsii$Proxy.html
SmsSubscriptionProps.Jsii$Proxy (AWS CDK 2.253.0 API)
declaration: package: software.amazon.awscdk.services.sns.subscriptions, interface: SmsSubscriptionProps, class: Jsii$Proxy
aws cdkjsiiproxyapi