private Map<Label, ReportingPlace> deduplicateLabels(Label[] labels) {
      Map<Label, ReportingPlace> label2Place = new LinkedHashMap<>();
      for (int i = 0; i < labels.length; i++) {
        if (!label2Place.containsKey(labels[i])) {
          label2Place.put(labels[i], myReportingPlaces.get(i));
        }
      }
      return label2Place;
    }
private Map<Label, ReportingPlace> deduplicateLabels(Label[] labels)