protected function extractAutoIDs()
{
$arr_ids = [];
if (isset($this->obj_last_response->mutationResults) && is_array($this->obj_last_response->mutationResults)) {
foreach ($this->obj_last_response->mutationResults as $obj_mutation_result) {
if (isset($obj_mutation_result->key)) {
$obj_path_end = end($obj_mutation_result->key->path);
$arr_ids[] = $obj_path_end->id;
}
}
}
return $arr_ids;
}