@Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("albums", getAlbums())
        .add("photos", getPhotos())
        .add("counts", getCounts())
        .toString();
  }
A Wrapper for all the possible objects that can be returned by a photos exporter.
portability-types-common/src/main/java/org/datatransferproject/types/common/models/photos/PhotosContainerResource.java