docs: @SuppressWarnings("unchecked")
    public T embed(HalRelation relation, ProcessEngine processEngine) {
      List<HalResource<?>> resolvedLinks = linker.resolve(relation, processEngine);
      if(resolvedLinks != null && resolvedLinks.size() > 0) {
        addEmbedded(relation.relName, resolvedLinks);
      }
      return (T) this;
    }