code: public List<Relationship> getLinkListRelationships() {
          final List<Relationship> linkListRelationships = new LinkedList<Relationship>();
          for (final Relationship r : relationships) {
              if (r.getType() == RelationshipType.LINKLIST) {
                  linkListRelationships.add(r);
              }
          }
          return linkListRelationships;
      }
docs: Gets a list of link-list relationships for the topic.