Latest version of com.typesafe.akka:akka-http-spray-json_2.12
https://javadoc.io/doc/com.typesafe.akka/akka-http-spray-json_2.12
Current version 10.1.2
https://javadoc.io/doc/com.typesafe.akka/akka-http-spray-json_2.12/10.1.2
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-http-spray-json_2.12/10.1.2/package-list