Form/ChoiceLoader/LdapObjectChoiceLoader.php
public function loadChoicesForValues(array $values, $value = null)
    {
        if (empty(array_filter($values))) {
            return [];
        }
        if (!$this->choiceList) {
            $this->loadChoiceList($value);
        }

        return $this->choiceList->getChoicesForValues($values);
    }
public function loadChoicesForValues(array $values, $value = null)
    {
        if (empty(array_filter($values))) {
            return [];
        }
        if (!$this->choiceList) {
            $this->loadChoiceList($value);
        }

        return $this->choiceList->getChoicesForValues($values);
    }
{@inheritdoc}