Latest version of com.google.apis:google-api-services-datastore-protobuf
https://javadoc.io/doc/com.google.apis/google-api-services-datastore-protobuf
Current version v1beta1-rev1-1.0.0-rc1
https://javadoc.io/doc/com.google.apis/google-api-services-datastore-protobuf/v1beta1-rev1-1.0.0-rc1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.google.apis/google-api-services-datastore-protobuf/v1beta1-rev1-1.0.0-rc1/package-list