public static void deleteIndex(final IndicesAdminClient indicesClient, final String index,
            final Consumer<AcknowledgedResponse> comsumer) {
        indicesClient.prepareDelete(index).execute(new ActionListener<AcknowledgedResponse>() {

            @Override
            public void onResponse(final AcknowledgedResponse response) {
                logger.info("Deleted {} index.", index);
                comsumer.accept(response);