docs: public void restore(CachedObject object) {
  
          writeLock.lock();
  
          try {
              int i = object.getPos();
  
              cache.put(i, object);
  
              // was previously used for text tables
              if (storeOnInsert) {
                  saveRow(object);
              }
          } finally {
              writeLock.unlock();
          }
      }