cache.put(20, 22);
    cache.put(5, 10);

    fakeTicker.advance(501, MILLISECONDS);

    assertTrue(cache.asMap().values().contains(22));
    assertTrue(cache.asMap().values().contains(10));
    assertFalse(cache.asMap().values().contains(20));
  }

  public void testAsMapKeySet() {
    Cache<Integer, Integer> cache =

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.metadata;

/**
 * Contains metadata about an artifact, and methods to retrieve/store it from an artifact repository.
 */
@Deprecated
public interface ArtifactMetadata extends org.apache.maven.repository.legacy.metadata.ArtifactMetadata {

package once

// Singleton contains a pointer to T that must be set once.
// Until the value is set all Get() calls will block.
type Singleton[T any] struct {
	v   *T
	set chan struct{}
}

// NewSingleton creates a new unset singleton.
func NewSingleton[T any]() *Singleton[T] {
	return &Singleton[T]{set: make(chan struct{}), v: nil}
}

// Get will return the singleton value.
func (s *Singleton[T]) Get() *T {
	<-s.set
	return s.v

    this.delegateList = delegateList;
  }

  @Override
  E get(int index) {
    return delegateList.get(index);
  }

  @Override
  public boolean contains(@CheckForNull Object object) {
    return delegate.contains(object);
  }

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override
  public int size() {
    return delegateList.size();
  }

        printErrors(result);

        assertEquals(2, result.getArtifacts().size());

        assertTrue(result.getArtifacts().contains(g));

        assertTrue(result.getArtifacts().contains(h));

        assertLocalArtifactPresent(g);

        assertLocalArtifactPresent(h);
    }

    @Test
    void

      return size() - index;
    }

    @Override
    public ImmutableList<E> reverse() {
      return forwardList;
    }

    @Override
    public boolean contains(@CheckForNull Object object) {
      return forwardList.contains(object);
    }

    @Override
    public int indexOf(@CheckForNull Object object) {
      int index = forwardList.lastIndexOf(object);

    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.isEmpty();
    }

    @Override
    public boolean contains(Object object) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.contains(object);
    }

    @Override
    public boolean add(E element) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.add(element);
    }

  }

  public void testContains() {
    assertThat(Bytes.contains(EMPTY, (byte) 1)).isFalse();
    assertThat(Bytes.contains(ARRAY1, (byte) 2)).isFalse();
    assertThat(Bytes.contains(ARRAY234, (byte) 1)).isFalse();
    assertThat(Bytes.contains(new byte[] {(byte) -1}, (byte) -1)).isTrue();
    assertThat(Bytes.contains(ARRAY234, (byte) 2)).isTrue();
    assertThat(Bytes.contains(ARRAY234, (byte) 3)).isTrue();

  }

  @Override
  public UnmodifiableIterator<E> iterator() {
    return Iterators.unmodifiableIterator(delegate.iterator());
  }

  @Override
  public boolean contains(@Nullable Object object) {
    return object != null && delegate.contains(object);
  }

  @Override
  public boolean containsAll(Collection<?> targets) {
    return delegate.containsAll(targets);
  }

  @Override
  public int size() {

      }
    }
  }

  public void testContains() {
    assertThat(Booleans.contains(EMPTY, false)).isFalse();
    assertThat(Booleans.contains(ARRAY_FALSE, true)).isFalse();
    assertThat(Booleans.contains(ARRAY_FALSE, false)).isTrue();
    assertThat(Booleans.contains(ARRAY_FALSE_TRUE, false)).isTrue();
    assertThat(Booleans.contains(ARRAY_FALSE_TRUE, true)).isTrue();
  }

  public void testIndexOf() {