models/classes/creator/CreatorItems.php
public function getItemClasses()
    {
        $itemClass = $this->getClass(self::ITEM_ROOT_CLASS_URI);
        return $this->getResourceService()->getAllClasses($itemClass);
    }
public function getItemClasses()
    {
        $itemClass = $this->getClass(self::ITEM_ROOT_CLASS_URI);
        return $this->getResourceService()->getAllClasses($itemClass);
    }
Get the list of items classes
@return array the classes hierarchy