while (clazz != null) {
            try {
                return clazz.getDeclaredField(fieldName);
            } catch (NoSuchFieldException e) {
                clazz = clazz.getSuperclass();
            }
        }
        return null;
    }

    private Method findMethod(Class<?> clazz, String methodName, Class<?>... paramTypes) {
        while (clazz != null) {
            try {

  public void testGetGenericSuperclass_withSuperclass() {
    TypeToken<? super ArrayList<String>> superToken =
        new TypeToken<ArrayList<String>>() {}.getGenericSuperclass();
    assertEquals(ArrayList.class.getSuperclass(), superToken.getRawType());
    assertEquals(
        String.class, ((ParameterizedType) superToken.getType()).getActualTypeArguments()[0]);

  public void testGetGenericSuperclass_withSuperclass() {
    TypeToken<? super ArrayList<String>> superToken =
        new TypeToken<ArrayList<String>>() {}.getGenericSuperclass();
    assertEquals(ArrayList.class.getSuperclass(), superToken.getRawType());
    assertEquals(
        String.class, ((ParameterizedType) superToken.getType()).getActualTypeArguments()[0]);