presto-kudu/src/main/java/io/prestosql/plugin/kudu/KuduClientSession.java/KuduClientSession/createScanner
class KuduClientSession:    public KuduScanner createScanner(KuduSplit kuduSplit)
    {
        try {
            return KuduScanToken.deserializeIntoScanner(kuduSplit.getSerializedScanToken(), client);
        }
        catch (IOException e) {
            throw new RuntimeException(e);
        }
    }