docs: public static Map<String, String> getOrCreateLabels(HasMetadata entity) {
      ObjectMeta metadata = getOrCreateMetadata(entity);
      Map<String, String> answer = metadata.getLabels();
      if (answer == null) {
        // use linked so the annotations can be in the FIFO order
        answer = new LinkedHashMap<>();
        metadata.setLabels(answer);
      }
      return answer;
    }