private function setDefaultForFilterConditionsConjunction(&$config)
{
if (!array_key_exists('filters', $config) || !array_key_exists('conjunctions', $config['filters']) || count($config['filters']['conjunctions']) === 0) {
$config['filters'] = [];
$config['filters']['conjunctions'] = [['id' => 'and', 'translation' => 'resource.filter.conjunction.and'], ['id' => 'or', 'translation' => 'resource.filter.conjunction.or']];
}
}