/**
  * return the options
  */
 protected function getOptions()
 {
     $options = parent::getOptions();
     $options['enableSolution'] = $this->enableSolution;
     $options['enableOpenSolution'] = $this->enableOpenSolution;
     $options['enableParticipantCheck'] = $this->enableParticipantCheck;
     $options['enablePricechoice'] = $this->enablePricechoice;
     $options['enableSponsorCheck'] = $this->enableSponsorCheck;
     $options['priceExpireSeconds'] = $this->priceExpireSeconds;
     return $options;
 }