}
                }
            }
            try (CurlResponse response = ComponentUtil.getCurlHelper().post("/_configsync/flush").execute()) {
                if (response.getHttpStatusCode() == 200) {
                    logger.info("Flushed config files.");
                } else {
                    logger.warn("Failed to flush config files.");
                }

                .param("wait_for_completion", Boolean.toString(waitForCompletion)).body(source).execute()) {
            if (response.getHttpStatusCode() == 200) {
                return true;
            }
            logger.warn("Failed to reindex from {} to {}", fromIndex, toIndex);
        } catch (final IOException e) {