private val setUseSessionTickets: Method =
    sslSocketClass.getDeclaredMethod("setUseSessionTickets", Boolean::class.javaPrimitiveType)
  private val setHostname = sslSocketClass.getMethod("setHostname", String::class.java)
  private val getAlpnSelectedProtocol = sslSocketClass.getMethod("getAlpnSelectedProtocol")
  private val setAlpnProtocols =

                        } else {
                            postcard.addTo(fessConfig.getMailFromAddress());
                            postcard.dryrun();
                        }
                        postcard.setHostname(systemHelper.getHostname());
                        postcard.setClustername(ping.getClusterName());
                        postcard.setClusterstatus(ping.getClusterStatus());
                    });

     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

    /**
     * Set the value of clustername, used in parameter comment. <br>

        registerModifiedProperty("createdTime");
        this.createdTime = value;
    }

    public String getHostname() {
        checkSpecifiedProperty("hostname");
        return convertEmptyToNull(hostname);
    }

    public void setHostname(String value) {
        registerModifiedProperty("hostname");
        this.hostname = value;
    }

    public String getParameters() {

        registerModifiedProperty("fileConfigId");
        this.fileConfigId = value;
    }

    public String getHostname() {
        checkSpecifiedProperty("hostname");
        return convertEmptyToNull(hostname);
    }

    public void setHostname(String value) {
        registerModifiedProperty("hostname");
        this.hostname = value;
    }

    public String getParameters() {

                    connector.setProperty("SSLEnabled", "true");
                    final SSLHostConfig sslHostConfig = new SSLHostConfig();
                    sslHostConfig.setHostName("_default_");
                    doSetupServerConfig(logger, props, "certificateKeystoreFile", v -> sslHostConfig.setCertificateKeystoreFile(v));

                (et, vl) -> ((FileAuthentication) et).setFileConfigId(DfTypeUtil.toString(vl)), "fileConfigId");
        setupEpg(_epgMap, et -> ((FileAuthentication) et).getHostname(),
                (et, vl) -> ((FileAuthentication) et).setHostname(DfTypeUtil.toString(vl)), "hostname");
        setupEpg(_epgMap, et -> ((FileAuthentication) et).getParameters(),

                (et, vl) -> ((WebAuthentication) et).setCreatedTime(DfTypeUtil.toLong(vl)), "createdTime");
        setupEpg(_epgMap, et -> ((WebAuthentication) et).getHostname(),
                (et, vl) -> ((WebAuthentication) et).setHostname(DfTypeUtil.toString(vl)), "hostname");
        setupEpg(_epgMap, et -> ((WebAuthentication) et).getParameters(),

            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setFileConfigId(DfTypeUtil.toString(source.get("fileConfigId")));
            result.setHostname(DfTypeUtil.toString(source.get("hostname")));
            result.setParameters(DfTypeUtil.toString(source.get("parameters")));
            result.setPassword(DfTypeUtil.toString(source.get("password")));