@Override
  public Map<DataVertical, Set<String>> getImportScopes() {
    return ImmutableMap.of(PHOTOS, ImmutableSet.of(""));
  }
Class that provides Imgur-specific information for OAuth2
See https://apidocs.imgur.com/#authorization-and-oauth
extensions/auth/portability-auth-imgur/src/main/java/org.datatransferproject.auth.imgur/ImgurOAuthConfig.java