public function getBehaviorLabels()
    {
        $labels = [];
        foreach ($this->_behaviors as $name => $foo) {
            if (($behavior = $this->getBehavior($name)) instanceof \nineinchnick\usr\components\FormModelBehavior) {
                $labels = array_merge($labels, $behavior->attributeLabels());
            }
        }

        return $labels;
    }