docs: public List<TopicRelationship> getLinkListTopicRelationships() {
          final ArrayList<TopicRelationship> relationships = new ArrayList<TopicRelationship>();
          for (final TopicRelationship relationship : topicRelationships) {
              if (relationship.getType() == RelationshipType.LINKLIST) {
                  relationships.add(relationship);
              }
          }
          for (final TargetRelationship relationship : topicTargetRelationships) {
              if (relationship.getType() == RelationshipType.LINKLIST) {
                  relationships.add(new TopicRelationship(relationship.getPrimaryRelationship(), (SpecTopic) relationship.getSecondaryRelationship(),
                          relationship.getType()));
              }
          }
          return relationships;
      }