/**
  * Sets a localized property to the widget
  * @param string $locale Code of the locale
  * @param string $key Key of the property relative to widget.[widgetId]
  * @param mixed $value Value to set
  * @return
  */
 public function setLocalizedWidgetProperty($locale, $key, $value)
 {
     $this->node->setLocalized($locale, $this->widgetPropertyPrefix . $key, $value);
 }