}
    }

    protected RefreshResponse refresh() {
        try {
            return getClient().get(c -> c.admin().indices().prepareRefresh(index).execute());
        } catch (final Exception e) {
            throw new OpenSearchAccessException("Failed to refresh.", e);
        }
    }

        }
    }

    public void refresh(final String... indices) {
        client.admin().indices().prepareRefresh(indices).execute(new ActionListener<RefreshResponse>() {
            @Override
            public void onResponse(final RefreshResponse response) {
                if (logger.isDebugEnabled()) {