presto-main/src/main/java/io/prestosql/operator/aggregation/state/HyperLogLogStateSerializer.java/HyperLogLogStateSerializer/deserialize
class HyperLogLogStateSerializer:    @Override
    public void deserialize(Block block, int index, HyperLogLogState state)
    {
        state.setHyperLogLog(HyperLogLog.newInstance(HYPER_LOG_LOG.getSlice(block, index)));
    }