Latest version of com.lightbend.akka.grpc:akka-grpc-codegen_2.12
https://javadoc.io/doc/com.lightbend.akka.grpc/akka-grpc-codegen_2.12
Current version 2.3.4
https://javadoc.io/doc/com.lightbend.akka.grpc/akka-grpc-codegen_2.12/2.3.4
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.lightbend.akka.grpc/akka-grpc-codegen_2.12/2.3.4/package-list