code: private void handleBaseUriLink(EntityBuilder builder, String baseUri) {
          if (StringUtils.isBlank(baseUri)) {
              return;
          }
          Link link = LinkBuilder.newInstance().setRelationship(Link.RELATIONSHIP_BASEURI).setHref(baseUri).build();
          builder.addLink(link);
      }
docs: Add the baseUri link to the entity if the baseUri is set on the entity.
  
  @param builder assumed not <code>null</code>.
  @param baseUri the token resolved uri. Assumed not blank.