public final class UnboundWildcard : R|java/lang/Object| {
    public final operator function foo(): R|ft<test/UnboundWildcard.MyClass<class error: Unexpected type argument: JavaWildcardTypeImpl: PsiType:?>, test/UnboundWildcard.MyClass<class error: Unexpected type argument: JavaWildcardTypeImpl: PsiType:?>?>|!

    public final operator function collection(): R|ft<java/util/Collection<class error: Unexpected type argument: JavaWildcardTypeImpl: PsiType:?>, java/util/Collection<class error: Unexpected type argument: JavaWildcardTypeImpl: PsiType:?>?>|!

}