presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/ShardInfo.java/ShardInfo/toString
class ShardInfo:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("shardUuid", shardUuid)
                .add("bucketNumber", bucketNumber.isPresent() ? bucketNumber.getAsInt() : null)
                .add("nodeIdentifiers", nodeIdentifiers)
                .add("columnStats", columnStats)
                .add("rowCount", rowCount)
                .add("compressedSize", compressedSize)
                .add("uncompressedSize", uncompressedSize)
                .add("xxhash64", format("%016x", xxhash64))
                .omitNullValues()
                .toString();
    }