/**
* @param string $label
* @return null
*/
public function setLabel($label)
{
if (!isset($this->loadedFields['label'])) {
$this->loadProperties();
}
$oldValue = null;
if (array_key_exists('label', $this->loadedValues)) {
$oldValue = $this->loadedValues['label'];
}
if ($oldValue === $label) {
$this->label = $label;
return;
}
return parent::setLabel($label);
}
