docs: public synchronized void flushUpdates() {
  
          Set<CmsUUID> updateIds = m_updateSet.removeAll();
          if (!updateIds.isEmpty()) {
              if (updateIds.contains(UPDATE_ALL)) {
                  initialize();
              } else {
                  Map<CmsUUID, CmsContainerConfigurationGroup> groups = loadFromIds(updateIds);
                  CmsContainerConfigurationCacheState state = m_state.updateWithChangedGroups(groups);
                  m_state = state;
              }
          }
      }