assertTrue(invokable.isSynchronized());
  }

  public void testUnannotatedMethod() throws Exception {
    Invokable<?, Object> invokable = A.method("notAnnotatedMethod");
    assertFalse(invokable.isAnnotationPresent(Tested.class));
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Keep
  private @interface Tested {}

  private abstract static class A {