https://micronaut-projects.github.io/micronaut-gcp/5.7.1/api/io/micronaut/gcp/pubsub/bind/DefaultSubscriberFactory.html
DefaultSubscriberFactory (gcp-parent 5.7.1 API)
declaration: package: io.micronaut.gcp.pubsub.bind, class: DefaultSubscriberFactory
gcpparentapi