extends SubtypeTester {
    @TestSubtype(suppressGetSupertype = true, suppressGetSubtype = true)
    public List<RecursiveTypeBoundBugExample<?>> ifYouUseTheTypeVariableOnTheClassAndItIsRecursive(
        List<RecursiveTypeBoundBugExample<? extends RecursiveTypeBoundBugExample<T>>> arg) {
      return notSubtype(arg); // isSubtype() currently incorrectly considers it a subtype.
    }
  }