class BackupManagerService {

    public void fullTransportBackup(@UserIdInt int userId, String[] packageNames) {
        UserBackupManagerService userBackupManagerService =
                getServiceForUserIfCallerHasPermission(userId, "fullTransportBackup()");

        if (userBackupManagerService != null) {
            userBackupManagerService.fullTransportBackup(packageNames);
        }
    }

    public  BackupManagerService(
            Context context, Trampoline trampoline, HandlerThread backupThread);

}