docs: private JPanel getJPanel() {
  		if (jPanel == null) {
  			jPanel = new JPanel();
  			jPanel.setLayout(new GridBagLayout());
  			
  			GridBagConstraints gbcPanel = new GridBagConstraints();
  			GridBagConstraints gbcButtons = new GridBagConstraints();
  			
  			gbcButtons.gridx = 0;
  			gbcButtons.gridy = 0;
  			gbcButtons.insets = new Insets(0, 0, 0, 0);
  			gbcButtons.fill = GridBagConstraints.BOTH;
  			gbcButtons.anchor = GridBagConstraints.NORTHWEST;
  			gbcButtons.weightx = 1.0D;
  			gbcButtons.weighty = 1.0D;
  			gbcButtons.ipady = 2;
  			gbcButtons.gridwidth = 2;
  
  			gbcPanel.gridx = 1;
  			gbcPanel.gridy = 1;
  			gbcPanel.insets = new Insets(2, 2, 2, 2);
  			gbcPanel.anchor = GridBagConstraints.SOUTHEAST;
  			
  			jPanel.add(getAboutPanel(), gbcButtons);
  			jPanel.add(getBtnOK(), gbcPanel);
  		}
  		return jPanel;
  	}