/**
* Prevent constructing the object (Singleton)
*/
protected function __construct()
{
parent::__construct();
$this->import('BackendUser', 'User');
$this->_objHelper = ClipboardHelper::getInstance();
$this->_objCbXml = ClipboardXml::getInstance();
$this->_objDatabase = ClipboardDatabase::getInstance();
$this->_objString = String::getInstance();
}
