class PayloadClient {

    public static Optional<String> resumeTrafficFormat(String vnfName) throws JsonProcessingException {
        ResumeTrafficAction payloadResult = new ResumeTrafficAction();
        ConfigurationParametersResumeTraffic configParams = new ConfigurationParametersResumeTraffic();
        configParams.setVnfName(vnfName);
        payloadResult.setConfigurationParameters(configParams);
        return Optional.of(mapper.writeValueAsString(payloadResult));
    }

    private  PayloadClient();

}