presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/CassandraPartitionResult.java/CassandraPartitionResult/CassandraPartitionResult
class CassandraPartitionResult:    public CassandraPartitionResult(List<CassandraPartition> partitions, TupleDomain<ColumnHandle> unenforcedConstraint)
    {
        this.partitions = requireNonNull(partitions, "partitions is null");
        this.unenforcedConstraint = requireNonNull(unenforcedConstraint, "unenforcedConstraint is null");
    }