class BackupManagerService {

    public void initializeTransports(
            @UserIdInt int userId, String[] transportNames, IBackupObserver observer) {
        UserBackupManagerService userBackupManagerService =
                getServiceForUserIfCallerHasPermission(userId, "initializeTransports()");

        if (userBackupManagerService != null) {
            userBackupManagerService.initializeTransports(transportNames, observer);
        }
    }

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

}