fun Clock.awaitWithDeadline(deadline: Instant, future: Future<*> = GuavaSettableFuture.create<Any>()): Boolean
Wait until the given Future is complete or the deadline is reached, with support for MutableClock implementations used in demos or testing. This will substitute a Fiber compatible Future so the current Strand is not blocked.
Return
true if the Future is complete, false if the deadline was reached.