/**
  * @return array
  */
 public function toArray()
 {
     $array = parent::toArray();
     return $array + ['id' => $this->getId(), 'key' => $this->getDBKey(), 'name' => $this->getName(), 'hint' => $this->getHint()];
 }
 public function initialize()
 {
     if ($this->initialized) {
         return;
     }
     parent::initialize();
 }