/**
* @return null|string
*/
public function retrieve()
{
$items = parent::retrieve();
if (!$items) {
return null;
}
return implode(PHP_EOL . PHP_EOL, $items);
}
/**
* @return array|void
*/
public function retrieve()
{
$changes = [];
$sections = parent::retrieve();
foreach ($sections as $section) {
if (isset($section['section'])) {
$changes[$section['section']] = $section['changes'];
}
}
return $changes;
}
