}.test();
  }

  public void testConcatPartiallyAdvancedSecond() {
    Iterator<String> itr1 =
        Iterators.concat(Iterators.singletonIterator("a"), Iterators.forArray("b", "c"));
    assertEquals("a", itr1.next());
    assertEquals("b", itr1.next());
    Iterator<String> itr2 = Iterators.concat(Iterators.singletonIterator("d"), itr1);
    assertEquals("d", itr2.next());
    assertEquals("c", itr2.next());
  }

        return new AbstractIterator<E>() {
          final Iterator<? extends E> itr1 = set1.iterator();
          final Iterator<? extends E> itr2 = set2.iterator();

          @Override
          @CheckForNull
          protected E computeNext() {
            if (itr1.hasNext()) {
              return itr1.next();
            }
            while (itr2.hasNext()) {
              E e = itr2.next();

        return new AbstractIterator<E>() {
          final Iterator<? extends E> itr1 = set1.iterator();
          final Iterator<? extends E> itr2 = set2.iterator();

          @Override
          @CheckForNull
          protected E computeNext() {
            if (itr1.hasNext()) {
              return itr1.next();
            }
            while (itr2.hasNext()) {
              E e = itr2.next();

			return true
		}
		refs[k] = false
	}
	return false
}

func TestOwnerRefsChanged(t *testing.T) {
	toRefs := func(strs []string) []metav1.OwnerReference {
		refs := []metav1.OwnerReference{}
		for _, s := range strs {
			pieces := strings.Split(s, "/")
			refs = append(refs, metav1.OwnerReference{
				APIVersion: pieces[0],
				Kind:       pieces[1],
				Name:       pieces[2],
			})

		return false
	}
	switch s[len(prefix)] {
	case '[', ':':
		return true
	}
	return false
}

func partitionStrings(prefix string, strs []string) (matched, unmatched []string) {
	for _, s := range strs {
		if matchPrefix(s, prefix) {
			matched = append(matched, s)
		} else {
			unmatched = append(unmatched, s)
		}
	}
	return
}

}

// GUIDFromString parses a string in the form of
// "{XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}" into a GUID.
func GUIDFromString(str string) (GUID, error) {
	guid := GUID{}
	str16, err := syscall.UTF16PtrFromString(str)
	if err != nil {
		return guid, err
	}
	err = clsidFromString(str16, &guid)
	if err != nil {
		return guid, err
	}
	return guid, nil
}

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