code: public static List<Representation> parseRepresentations(JsonObject jsonObject) {
          List<Representation> representations = new ArrayList<Representation>();
          for (JsonValue representationJson : jsonObject.get("entries").asArray()) {
              Representation representation = new Representation(representationJson.asObject());
              representations.add(representation);
          }
          return representations;
      }
docs: Parse representations from a file object response.
  @param jsonObject representations json object in get response for /files/file-id?fields=representations
  @return list of representations