You should explore the contents of this project. It demonstrates a CDK Construct Library that includes a construct (SchedulePrune)
which contains an Amazon SQS queue that is subscribed to an Amazon SNS topic.
The construct defines an interface (SchedulePruneProps) to configure the visibility timeout of the queue.
npm run buildcompile typescript to jsnpm run watchwatch for changes and compilenpm run testperform the jest unit tests