code: public List<HalResource> getResourcesByRel(final String rel)
      {
          final List<? extends ReadableRepresentation> resources = representation.getResourcesByRel(rel);
  
          return resources.stream()
                  .map(representation -> new HalResource(objectMapper, representation))
                  .collect(Collectors.toList());
      }
docs: Get embedded resources by relation
  
  @param rel Relation name
  @return Embedded resources