Latest version of com.google.cloud:google-cloud-core-grpc
https://javadoc.io/doc/com.google.cloud/google-cloud-core-grpc
Current version 2.28.0
https://javadoc.io/doc/com.google.cloud/google-cloud-core-grpc/2.28.0
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.google.cloud/google-cloud-core-grpc/2.28.0/package-list