protected function loadExternalType()
    {
        parent::loadExternalType();
        $this->formTypeClassName = YesNoModelFormItem::class;
        $this->tableItemClassName = YesNoModelItem::class;
        $this->viewItemClassName = YesNoModelItem::class;

    }
protected function loadExternalType()
    {
        parent::loadExternalType();
        $this->formTypeClassName = YesNoModelFormItem::class;
        $this->tableItemClassName = YesNoModelItem::class;
        $this->viewItemClassName = YesNoModelItem::class;

    }
protected function loadExternalType ( ) { parent :: loadExternalType ( ) ; $ this -> formTypeClassName = YesNoModelFormItem :: class ; $ this -> tableItemClassName = YesNoModelItem :: class ; $ this -> viewItemClassName = YesNoModelItem :: class ; }
= false;
= false ;