CompletableFuture<Collection<SlotOffer>> acceptedSlotsFuture = jobMasterGateway.offerSlots( getResourceID(), reservedSlots,
Future<Iterable<SlotOffer>> acceptedSlotsFuture = jobMasterGateway.offerSlots( getResourceID(), reservedSlots,
CompletableFuture<Collection<SlotOffer>> acceptedSlotsFuture = jobMasterGateway.offerSlots( getResourceID(), reservedSlots,
CompletableFuture<Collection<SlotOffer>> acceptedSlotsFuture = jobMasterGateway.offerSlots( getResourceID(), reservedSlots,