@Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("albums", getAlbums())
        .add("photos", getPhotos())
        .add("videos", getVideos())
        .add("counts", getCounts())
        .toString();
  }
Extracts a new VideosContainerResource from the relevant matching fields in a given
MediaContainerResource.
portability-types-common/src/main/java/org/datatransferproject/types/common/models/media/MediaContainerResource.java