presto-parser/src/main/java/io/prestosql/sql/tree/AliasedRelation.java/AliasedRelation/AliasedRelation
class AliasedRelation:    public AliasedRelation(NodeLocation location, Relation relation, Identifier alias, List<Identifier> columnNames)
    {
        this(Optional.of(location), relation, alias, columnNames);
    }