/**
  * The dependent promotions should be exported before, so at the import the depend will already be
  * in the database.
  *
  * @param ruleUidList - the rules that need to be chaked that are dependent on other promotions
  * @return all the promotion that will be exported in a specific order
  */
 private Set<Long> retriveDependentRulesAndInsertThemBefore(final List<Long> ruleUidList) {
   return ruleService.retrievePromotionDependencies(new LinkedHashSet<Long>(ruleUidList));
 }