presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/storage/FileStorageService.java/FileStorageService/getQuarantineFile
class FileStorageService:    @Override
    public File getQuarantineFile(UUID shardUuid)
    {
        String name = getFileSystemPath(new File("/"), shardUuid).getName();
        return new File(baseQuarantineDir, name);
    }