code: protected void offlineCacheClear() {
  
          for (CachePair cachePair : m_caches) {
              try {
                  cachePair.getOfflineCache().clear();
              } catch (Throwable t) {
                  LOG.error(t.getLocalizedMessage(), t);
              }
          }
      }
docs: Clears the offline caches.<p>