docs: private void loadAllPanels(final JPanel mainPanel) {
          SwingUtilities.invokeLater(() -> {
              int numPanels = wizardComponents.length;
              for (int i1 = 0; i1 < numPanels; i1++) {
                  mainPanel.remove(wizardComponents[i1]);
              }
              for (int i2 = 0; i2 < numPanels; i2++) {
                  mainPanel.add(wizardComponents[i2]);
              }
              validate();
              repaint();
          });
      }