Latest version of com.typesafe.akka:akka-file-mailbox_2.11
https://javadoc.io/doc/com.typesafe.akka/akka-file-mailbox_2.11
Current version 2.3.16
https://javadoc.io/doc/com.typesafe.akka/akka-file-mailbox_2.11/2.3.16
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-file-mailbox_2.11/2.3.16/package-list