@GET
 public Entity getRoot() {
   return createEntityBuilder()
       .addLink(linkBuilder.forBooks(uriInfo, "books"))
       .addLink(linkBuilder.forShoppingCart(uriInfo, "shopping-cart"))
       .addLink(linkBuilder.forOrders(uriInfo, "orders"))
       .build();
 }
 public AvailablePluginCollectionRepresentation(
     Iterable<PluginVersion> pluginVersions,
     UpmUriBuilder uriBuilder,
     LinkBuilder linkBuilder,
     HostStatusRepresentation hostStatus) {
   super(
       linkBuilder.buildLinksFor(uriBuilder.buildAvailablePluginCollectionUri()).build(),
       pluginVersions,
       uriBuilder,
       hostStatus);
 }