public static boolean isEsOrJest(String esClientName) {
        return "jest".equalsIgnoreCase(esClientName) ||
            "es".equalsIgnoreCase(esClientName);
    }
Backwards compatible name for "ES" and "jest" client.
@return true if "jest" or "es"
common/es/src/main/java/io/apiman/common/es/util/EsUtils.java