public function getValidElementTypes(){
        return array(
            'oat\\taoQtiItem\\model\\qti\\Img',
            'oat\\taoQtiItem\\model\\qti\\Math',
            'oat\\taoQtiItem\\model\\qti\\feedback\\Feedback',
            \oat\taoQtiItem\model\qti\QtiObject::class,
            'oat\\taoQtiItem\\model\\qti\\Tooltip',
            'oat\\taoQtiItem\\model\\qti\\interaction\\Interaction',
            'oat\\taoQtiItem\\model\\qti\\RubricBlock',
            'oat\\taoQtiItem\\model\\qti\\InfoControl',
            'oat\\taoQtiItem\\model\\qti\\XInclude',
            \oat\taoQtiItem\model\qti\Table::class,
        );
    }
public function getValidElementTypes(){
        return array(
            'oat\\taoQtiItem\\model\\qti\\Img',
            'oat\\taoQtiItem\\model\\qti\\Math',
            'oat\\taoQtiItem\\model\\qti\\feedback\\Feedback',
            \oat\taoQtiItem\model\qti\QtiObject::class,
            'oat\\taoQtiItem\\model\\qti\\Tooltip',
            'oat\\taoQtiItem\\model\\qti\\interaction\\Interaction',
            'oat\\taoQtiItem\\model\\qti\\RubricBlock',
            'oat\\taoQtiItem\\model\\qti\\InfoControl',
            'oat\\taoQtiItem\\model\\qti\\XInclude',
            \oat\taoQtiItem\model\qti\Table::class,
        );
    }
public function getValidElementTypes ( ) { return array ( 'oat\\taoQtiItem\\model\\qti\\Img' , 'oat\\taoQtiItem\\model\\qti\\Math' , 'oat\\taoQtiItem\\model\\qti\\feedback\\Feedback' , \ oat \ taoQtiItem \ model \ qti \ QtiObject :: class , 'oat\\taoQtiItem\\model\\qti\\Tooltip' , 'oat\\taoQtiItem\\model\\qti\\interaction\\Interaction' , 'oat\\taoQtiItem\\model\\qti\\RubricBlock' , 'oat\\taoQtiItem\\model\\qti\\InfoControl' , 'oat\\taoQtiItem\\model\\qti\\XInclude' , \ oat \ taoQtiItem \ model \ qti \ Table :: class , ) ; }
return the list of available element classes

@access public
@return array
return the list of available element classes