presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/backup/FileBackupStore.java/FileBackupStore/restoreShard
class FileBackupStore:    @Override
    public void restoreShard(UUID uuid, File target)
    {
        try {
            copyFile(getBackupFile(uuid), target);
        }
        catch (FileNotFoundException e) {
            throw new PrestoException(RAPTOR_BACKUP_NOT_FOUND, "Backup shard not found: " + uuid, e);
        }
        catch (IOException e) {
            throw new PrestoException(RAPTOR_BACKUP_ERROR, "Failed to copy backup shard: " + uuid, e);
        }
    }