App\FieldTypes\Address::getColumns PHP Method

    public function getColumns()
    {
        return ['postcode' => (new ColumnEntity('postcode', ColumnDataType::STRING))->setParams([8]), 'address1' => (new ColumnEntity('address1', ColumnDataType::STRING))->setParams([255]), 'address2' => (new ColumnEntity('address2', ColumnDataType::STRING))->setParams([255])];
    }