docs: public static Set<Pair<Integer, Integer>> getTopicIdsFromContentSpec(final ContentSpec contentSpec) {
          // Add the topics at this level to the database
          final Set<Pair<Integer, Integer>> topicIds = new HashSet<Pair<Integer, Integer>>();
          final List<SpecTopic> specTopics = contentSpec.getSpecTopics();
          for (final SpecTopic specTopic : specTopics) {
              if (specTopic.getDBId() != 0) {
                  topicIds.add(new Pair<Integer, Integer>(specTopic.getDBId(), specTopic.getRevision()));
              }
          }
  
          return topicIds;
      }