docs: private void clientCertCheck(){
  
          boolean enableClientCert = getBoolean(USE_CLIENT_CERT, false);
          String certPath = getString(CLIENT_CERT_LOCATION, "");
          String certPass = getString(CLIENT_CERT_PASSWORD, "");
          int certIndex = getInt(CLIENT_CERT_INDEX, 0);
  
          if(enableClientCert && !certPath.isEmpty() && !certPass.isEmpty()) {
              try {
  
                  SSLContextManager contextManager = getSSLContextManager();
                  int ksIndex = contextManager.loadPKCS12Certificate(certPath, certPass);
                  contextManager.unlockKey(ksIndex, certIndex, certPass);
                  contextManager.setDefaultKey(ksIndex, certIndex);
  
                  setActiveCertificate();
                  setEnableCertificate(true);
  
                  logger.info("Client Certificate enabled from CLI");
                  logger.info("Use -config certificate.persist=true to save settings");
  
              } catch (IOException|CertificateException|NoSuchAlgorithmException|KeyStoreException|KeyManagementException ex) {
                  logger.error("The certificate could not be enabled due to an error", ex);
              }
          }
      }