public void setCertificate(CdnClient client, String domainName) {
        Cert cert = new Cert().withCertName("test-certName")
                .withCertServerData("-----BEGIN CERTIFICATE----END CERTIFICATE-----")
                .withCertPrivateData("-----BEGIN RSA PRIVATE KEY----END RSA PRIVATE KEY-----")
                .withCertLinkData("x").withCertType(1);
        SetDomainCertRequest request = new SetDomainCertRequest().withHttpsEnable("ON").withCertificate(cert);
        client.setDomainCert(domainName, request);
    }

public void getCertificate(CdnClient client, String domainName) {
    GetDomainCertResponse response = client.getDomainCert(domainName);
}

public void delCertificate(CdnClient client, String domainName) {
    DelDomainCertResponse response = client.deleteDomainCert(domainName);
}