Latest version of com.softwaremill.sttp.client3:akka-http-backend_2.12
https://javadoc.io/doc/com.softwaremill.sttp.client3/akka-http-backend_2.12
Current version 3.9.8
https://javadoc.io/doc/com.softwaremill.sttp.client3/akka-http-backend_2.12/3.9.8
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.softwaremill.sttp.client3/akka-http-backend_2.12/3.9.8/package-list