The ModelControllerClient interface includes a number of methods that return org.jboss.threads.AsyncFuture. We're strongly considering removing that return type, replacing it with some other Future type available from Java SE, most likely CompletableFuture.

To help make that possible, in the few cases where full WF code uses the AsyncFuture from these methods, use java.util.concurrent.Future instead. This will allow us to make a change in WildFly Core without breaking the code in full WF.