docs: public static Iterable<BoxCollection.Info> getAllCollections(final BoxAPIConnection api) {
          return new Iterable<BoxCollection.Info>() {
              public Iterator<BoxCollection.Info> iterator() {
                  URL url = GET_COLLECTIONS_URL_TEMPLATE.build(api.getBaseURL());
                  return new BoxCollectionIterator(api, url);
              }
          };
      }