message: Refactor - Use method reference
diff: @@ -124,7 +124,7 @@ public class CloudConfigRefreshService {
  if (log.isDebugEnabled()) {
  events.forEach(event -> log.debug("Event detected: " + event.kind().name() + ", Updated File: " + event.context()));
  }
  - Collection<Integer> activeList = fileList.stream().map(entry -> getHashValue(entry)).collect(Collectors.toList());
  + Collection<Integer> activeList = fileList.stream().map(this::getHashValue).collect(Collectors.toList());
  if (!hashList.containsAll(activeList)) {
  log.debug("File system updated. Hashed content matching failed");
  hashList.clear();
  