Latest version of com.typesafe.akka:akka-actor-testkit-typed_2.12
https://javadoc.io/doc/com.typesafe.akka/akka-actor-testkit-typed_2.12
Current version 2.8.0-M5
https://javadoc.io/doc/com.typesafe.akka/akka-actor-testkit-typed_2.12/2.8.0-M5
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-actor-testkit-typed_2.12/2.8.0-M5/package-list