docs: private void initRepairingHandler(RepairingHandler handler) {
          logger.finest("Initializing repairing handler");
  
          boolean initialized = false;
          try {
              invalidationMetaDataFetcher.init(handler);
              initialized = true;
          } catch (Exception e) {
              logger.warning(e);
          } finally {
              if (!initialized) {
                  initRepairingHandlerAsync(handler);
              }
          }
      }