Some features which were initially introduced in the v3 beta are now available in the Play Services version of the SDK. The samples and region tags that indicate the source for code snippets on https://developers.google.com/maps/documentation/android-sdk/shapes need to exist in the /gms Java and Kotlin directories so that the documentation can get out of dependency on the /v3 samples folder.

This search will show all region tags that exist in the /v3 folder.