https://developers.google.com/resources/api-libraries/documentation/appengine/v1/java/latest/com/google/api/services/appengine/v1/Appengine.Apps.AuthorizedCertificates.Get.html
Appengine.Apps.AuthorizedCertificates.Get (App Engine Admin API v1 (Rev. 130) 1.25.0)
https://docs.cloud.google.com/appengine/docs/admin-api/reference/rest/v1beta/apps.authorizedCertificates/get
Method: apps.authorizedCertificates.get | App Engine Admin API | Google Cloud Documentation
get appadmin apigoogle cloudmethodapps