@Override
		public void serviceAdded(Class<?> interfaceClass, Object service) {
			if (interfaceClass.equals(LocationReferencesService.class)) {
				setHelpLocation(((LocationReferencesService) service).getHelpLocation());
				Swing.runLater(() -> tool.removeServiceListener(this));
			}
		}
We need this when our plugin is loaded before the service we are using
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/symboltree/actions/ShowSymbolReferencesAction.java