}
@SuppressWarnings("checkstyle:IllegalCatch")
- private List<DataTreeListenerInfo> getListenerActorsInfo(Collection<ActorSelection> actors) {
+ private static List<DataTreeListenerInfo> getListenerActorsInfo(Collection<ActorSelection> actors) {
final Timeout timeout = new Timeout(20, TimeUnit.SECONDS);
final List<Future<Object>> futureList = new ArrayList<>(actors.size());
for (ActorSelection actor: actors) {