Latest version of com.typesafe.akka:akka-stream-contrib_2.11
https://javadoc.io/doc/com.typesafe.akka/akka-stream-contrib_2.11
Current version 0.9+63-700bb5c4
https://javadoc.io/doc/com.typesafe.akka/akka-stream-contrib_2.11/0.9+63-700bb5c4
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-stream-contrib_2.11/0.9+63-700bb5c4/package-list