docs: private void handleConref() {
          // Get pure conref targets
          final Set<URI> pureConrefTargets = new HashSet<>(128);
          for (final URI target: conrefTargetSet) {
              if (!nonConrefCopytoTargetSet.contains(target)) {
                  pureConrefTargets.add(target);
              }
          }
          conrefTargetSet = pureConrefTargets;
  
          // Remove pure conref targets from fullTopicSet
          fullTopicSet.removeAll(pureConrefTargets);
          // Treat pure conref targets same as resource-only
          resourceOnlySet.addAll(pureConrefTargets);
      }