¿Dónde usas la anulación en el marco?
Set<Integer> set = new HashSet<>();
List<Integer> list = new ArrayList<>();
set.add(4); ==> HashSet overrides add() method from Collection Interface
list.add(8); ==> ArrayList overrides add() method from Collection Interface
WebDriver driver1 = new ChromeDriver();
driver1.get("xxxxxx"); ChromeDriver overrides get/findElement/etc.
methods from WebDriver Interface.
WebDriver driver2 = new FirefoxDriver();
driver2.get("xxxxxx"); FirefoxDriver overrides
get/findElement/etc. methods from WebDriver Interface.
Obedient Ocelot