private Component buildOptionsButton() {
		optionsButton = new JButton("Options...");
		optionsButton.addActionListener(e -> showOptions());
		return optionsButton;
	}
Construct a new ExporterDialog for exporting a program, optionally only exported a
selected region.

@param tool the tool that launched this dialog.
@param domainFile the program file to export. (may be proxy)
@param domainObject the program to export if already open, otherwise null.
@param selection the current program selection (ignored for FrontEnd Tool).
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/exporter/ExporterDialog.java