private JPanel buildPanel() {
		setDefaultButton(okButton);
		JPanel mainPanel = new JPanel();
		mainPanel.setLayout(new GridBagLayout());
		GridBagConstraints gbc = new GridBagConstraints();
		gbc.insets = new Insets(2, 2, 2, 2);
		gbc.gridx = 0;
		gbc.gridy = 0;
		mainPanel.add(methodPanel(), gbc);
		gbc.gridx++;
		mainPanel.add(buildBlockPanel(), gbc);
		mainPanel.getAccessibleContext().setAccessibleName("Select Block");
		return mainPanel;
	}
Class to set up dialog box that will enable the user
to set the available options for block selection
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/select/SelectBlockDialog.java