https://docs.cloud.google.com/java/docs/reference/google-cloud-channel/latest/com.google.cloud.channel.v1.SubscriberEvent.EventCase
Enum SubscriberEvent.EventCase (3.95.0) | Java client libraries | Google Cloud Documentation
https://developers.google.com/android/management/reference/amapi/kotlin/com/google/android/managementapi/environment/model/EnvironmentEvent.EventCase.Kind?hl=ja
EnvironmentEvent.EventCase.Kind | Android Management API | Google for Developers
android managementkindapigoogledevelopers