docs: protected JButton getBtnCancel() {
          if (btnCancel == null) {
              btnCancel = new JButton();
              btnCancel.setName("btnCancel");
              btnCancel.setText(Constant.messages.getString("all.button.cancel"));
              btnCancel.addActionListener(new ActionListener() {
                  @Override
                  public void actionPerformed(ActionEvent e) {
  
                      exitResult = JOptionPane.CANCEL_OPTION;
                      AbstractParamDialog.this.setVisible(false);
                  }
              });
  
          }
          return btnCancel;
      }