public void removeAllCandidateOrderOffers() {
   if (delegate.getCandidateOrderOffers() != null) {
     for (CandidateOrderOffer candidate : delegate.getCandidateOrderOffers()) {
       candidate.setOrder(null);
     }
     delegate.getCandidateOrderOffers().clear();
   }
 }
 public void addCandidateOrderOffer(PromotableCandidateOrderOffer candidateOrderOffer) {
   delegate.getCandidateOrderOffers().add(candidateOrderOffer.getDelegate());
 }