docs: @SuppressWarnings("unchecked")
    @Override
    public Map<K, V> getAllFailure(Iterable<? extends K> keys, StoreAccessException e) {
      try {
        return loaderWriter.loadAll((Iterable) keys); // FIXME: bad typing that we should fix
      } catch(BulkCacheLoadingException e1) {
        throw e1;
      } catch (Exception e1) {
        throw ExceptionFactory.newCacheLoadingException(e1, e);
      } finally {
        cleanup(keys, e);
      }
    }