docs: public static boolean isUniqueAttributeId(final BuildData buildData, final String id, final ITopicNode topicNode,
              final Map<SpecTopic, Set<String>> usedIdAttributes) {
          // Make sure the id doesn't match the spec topic's unique link
          if (topicNode instanceof SpecTopic && id.equals(
                  ((SpecTopic) topicNode).getUniqueLinkId(buildData.isUseFixedUrls()))) {
              return false;
          }
  
          // Make sure the id isn't used else where in another topic
          for (final Entry<SpecTopic, Set<String>> entry : usedIdAttributes.entrySet()) {
              final SpecTopic topic2 = entry.getKey();
              final Integer topicId2 = topic2.getDBId();
              if (topicId2.equals(topicNode.getDBId())) {
                  continue;
              }
  
              final Set<String> ids2 = entry.getValue();
              if (ids2.contains(id)) {
                  return false;
              }
          }
  
          return true;
      }