@Override
    public Map<DataVertical, Set<String>> getExportScopes() {
        return ImmutableMap.<DataVertical, Set<String>>builder()
            .put(PHOTOS, ImmutableSet.of("user_photos"))
            .put(VIDEOS, ImmutableSet.of("user_videos"))
            .build();
    }
Class that supplies Facebook-specific OAuth2 info
extensions/auth/portability-auth-facebook/src/main/java/org/datatransferproject/auth/facebook/FacebookOAuthConfig.java