Latest version of com.typesafe.akka:akka-slf4j_2.11.0-RC3
https://javadoc.io/doc/com.typesafe.akka/akka-slf4j_2.11.0-RC3
Current version 2.3.0
https://javadoc.io/doc/com.typesafe.akka/akka-slf4j_2.11.0-RC3/2.3.0
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-slf4j_2.11.0-RC3/2.3.0/package-list