final SSLHostConfig sslHostConfig = new SSLHostConfig();
                    sslHostConfig.setHostName("_default_");
                    doSetupServerConfig(logger, props, "certificateKeystoreFile", v -> sslHostConfig.setCertificateKeystoreFile(v));
                    doSetupServerConfig(logger, props, "certificateKeystorePassword", v -> sslHostConfig.setCertificateKeystorePassword(v));