presto-parser/src/main/java/io/prestosql/sql/tree/Grant.java/Grant/Grant
class Grant:    public Grant(NodeLocation location, Optional<List<String>> privileges, boolean table, QualifiedName tableName, PrincipalSpecification grantee, boolean withGrantOption)
    {
        this(Optional.of(location), privileges, table, tableName, grantee, withGrantOption);
    }