/**
  * Configures the current validator.
  *
  * @see sfValidatorPropelChoice
  */
 protected function configure($options = array(), $messages = array())
 {
     parent::configure($options, $messages);
     $this->setOption('multiple', true);
 }
 protected function configure($options = array(), $messages = array())
 {
     parent::configure();
 }