docs: public void setDatabaseDuplicateIds() {
          // Set the spec topic duplicate ids based on topic title
          for (final Entry<Integer, List<ITopicNode>> topicTitleEntry : topics.entrySet()) {
              final List<ITopicNode> topics = topicTitleEntry.getValue();
              if (topics.size() > 1) {
                  for (int i = 1; i < topics.size(); i++) {
                      topics.get(i).setDuplicateId(Integer.toString(i));
                  }
              }
          }
      }