class BackupManagerService {

    public void dataChanged(@UserIdInt int userId, String packageName) {
        UserBackupManagerService userBackupManagerService =
                getServiceForUserIfCallerHasPermission(userId, "dataChanged()");

        if (userBackupManagerService != null) {
            userBackupManagerService.dataChanged(packageName);
        }
    }

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

}