}
}
- private static class RendererStateInterfaceBindWorker implements Callable<List<ListenableFuture<Void>>> {
+ private static class RendererStateInterfaceBindWorker implements Callable<List<? extends ListenableFuture<?>>> {
private final String iface;
final Uint64 dpnId;
final FlowBasedServicesStateAddable flowBasedServicesStateAddable;