How do I get a CompletableFuture from an Async Http Client request?

Question

On Async Http Client documentation I see how to get a Future as the result of an asynchronous HTTP Get request simply doing, for example:

Answer 1

With AHC2:

CompletableFuture<Response> f = asyncHttpClient
     .prepareGet("http://api.football-data.org/v1/soccerseasons/398")
     .execute()
     .toCompletableFuture();