docs: public List<Reference> getRequirementReferences(Requirement requirement) throws GreenPepperServerException {
          try {
              sessionService.startSession();
  
              Repository repository = loadRepository(requirement.getRepository().getUid());
  
  
              List<Reference> references = documentDao.getAllReferences(requirement);
  
              log.debug("Retrieved Requirement " + requirement.getName() + " Document References number: " + references.size());
              return references;
          } catch (Exception ex) {
              throw handleException(RETRIEVE_REFERENCES, ex);
          } finally {
              sessionService.closeSession();
          }
      }