code: private void addExportPoints(Set<CmsExportPoint> exportPoints) {
  
          // create a new immutable set of export points
          HashSet<CmsExportPoint> newSet = new HashSet<CmsExportPoint>(m_exportPoints.size() + exportPoints.size());
          newSet.addAll(exportPoints);
          newSet.addAll(m_exportPoints);
          m_exportPoints = Collections.unmodifiableSet(newSet);
      }
docs: Adds the given set of export points to the list of all configured export points.<p>
  
  @param exportPoints the export points to add