@Override
	public void dispose() {
		tool.removeAction(referencesToAction);
		referencesToAction.dispose();
		disposeProviderList();
		super.dispose();
	}
@see ghidra.framework.plugintool.Plugin#dispose()
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/navigation/locationreferences/LocationReferencesPlugin.java