Latest version of com.typesafe.akka:akka-http-xml-experimental_2.11
https://javadoc.io/doc/com.typesafe.akka/akka-http-xml-experimental_2.11
Current version 2.4-ARTERY-M1
https://javadoc.io/doc/com.typesafe.akka/akka-http-xml-experimental_2.11/2.4-ARTERY-M1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-http-xml-experimental_2.11/2.4-ARTERY-M1/package-list