Latest version of com.typesafe.akka:akka-contrib_2.12.0-M3
https://javadoc.io/doc/com.typesafe.akka/akka-contrib_2.12.0-M3
Current version 2.4.3
https://javadoc.io/doc/com.typesafe.akka/akka-contrib_2.12.0-M3/2.4.3
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-contrib_2.12.0-M3/2.4.3/package-list