presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/CassandraClusteringPredicatesExtractor.java/CassandraClusteringPredicatesExtractor/CassandraClusteringPredicatesExtractor
class CassandraClusteringPredicatesExtractor:    public CassandraClusteringPredicatesExtractor(List<CassandraColumnHandle> clusteringColumns, TupleDomain<ColumnHandle> predicates, VersionNumber cassandraVersion)
    {
        this.predicates = requireNonNull(predicates, "predicates is null");
        this.clusteringPushDownResult = getClusteringKeysSet(clusteringColumns, predicates, requireNonNull(cassandraVersion, "cassandraVersion is null"));
    }