public QuerySettings setUseTimeZone(String timeZone) {
        if (rawSettings.containsKey(ClientConfigProperties.USE_SERVER_TIMEZONE.getKey())) {
            throw new ValidationUtils.SettingsValidationException(ClientConfigProperties.USE_TIMEZONE.getKey(),
                    "Cannot set both use_time_zone and use_server_time_zone");
        }
        rawSettings.put(ClientConfigProperties.USE_TIMEZONE.getKey(), TimeZone.getTimeZone(timeZone));
        return this;
    }
Requests the server to wait for the and of the query before sending response. Useful for getting accurate summary.
client-v2/src/main/java/com/clickhouse/client/api/query/QuerySettings.java