code: public CmsPublishManager getPublishManager() {
  
          if (m_publishManager == null) {
              // no publish manager configured, create default
              m_publishManager = new CmsPublishManager(
                  CmsPublishManager.DEFAULT_HISTORY_SIZE,
                  CmsPublishManager.DEFAULT_QUEUE_PERSISTANCE,
                  CmsPublishManager.DEFAULT_QUEUE_SHUTDOWNTIME);
          }
          return m_publishManager;
      }
docs: Returns the configured publish manager.<p>
  
  @return the configured publish manager