presto-parser/src/main/java/io/prestosql/sql/tree/ColumnDefinition.java/ColumnDefinition/ColumnDefinition
class ColumnDefinition:    public ColumnDefinition(NodeLocation location, Identifier name, DataType type, boolean nullable, List<Property> properties, Optional<String> comment)
    {
        this(Optional.of(location), name, type, nullable, properties, comment);
    }