private void initializeOptions() {
		Options opt = tool.getOptions(OPTION_CATEGORY_NAME);
		HelpLocation help = new HelpLocation(HelpTopics.CODE_BROWSER, "Selection_Tables");
		opt.registerOption(SELECTION_LIMIT_OPTION_NAME, SELECTION_LIMIT_DEFAULT, help,
			"Maximum number of entries in selection table");

		opt.registerOption(RANGES_LIMIT_OPTION_NAME, RANGES_LIMIT_DEFAULT, help,
			"Maximum number of entries in an address range table");

		opt.registerOption(MIN_RANGE_SIZE_OPTION_NAME, MIN_RANGE_SIZE_DEFAULT, help,
			"Minimum length of an address range in address range table");
	}
Plugin for adding some basic selection actions for Code Browser Listings.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/codebrowser/CodeBrowserSelectionPlugin.java