if (logger.isDebugEnabled()) {
            logger.debug("url: {}", url);
        }
        try (CurlResponse response = Curl.get(url).header("Authorization", "Bearer " + user.getAuthenticationResult().getAccessToken())
                .header("Accept", "application/json").execute()) {
            final Map<String, Object> contentMap = response.getContent(OpenSearchCurl.jsonParser());