code: private ObjectListing getObjectListingChunk(ListObjectsRequest request) {
      ObjectListing result;
      try {
        result = mClient.listObjects(request);
      } catch (CosClientException e) {
        LOG.error("Failed to list path {}", request.getPrefix(), e);
        result = null;
      }
      return result;
    }
docs: Get next chunk of listing result