Dynamic/Types/CheckboxMultipleType.php
public function getDefaultValue(FormField $field, $locale)
    {
        $value = $field->getTranslation($locale)->getDefaultValue();

        return $this->getDefaultOptions($value);
    }
public function getDefaultValue(FormField $field, $locale)
    {
        $value = $field->getTranslation($locale)->getDefaultValue();

        return $this->getDefaultOptions($value);
    }
{@inheritdoc}