static void showBusyToolMessage(PluginTool tool) {
		JFrame toolFrame = tool.getToolFrame();
		tool.beep();
		Msg.showInfo(VTPlugin.class, toolFrame, "Tool \"" + tool.getName() + "\" Busy",
			"You must stop all background tasks before exiting.");
	}
Displays a dialog stating that a tool is busy.
@param tool the tool to display that's busy.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/plugin/VTPlugin.java