@Named
@Singleton
@Deprecated
public class DefaultPluginManager implements PluginManager {

    private final PlexusContainer container;
    private final MavenPluginManager pluginManager;
    private final PluginVersionResolver pluginVersionResolver;
    private final PluginPrefixResolver pluginPrefixResolver;
    private final LegacySupport legacySupport;

    @Inject
    public DefaultPluginManager(

    return true;
  }

  @Override
  public int hashCode() {
    return 0;
  }

  @GwtIncompatible
  @J2ktIncompatible
  private static final class SerializedForm<C extends Comparable> implements Serializable {
    private final DiscreteDomain<C> domain;

    private SerializedForm(DiscreteDomain<C> domain) {
      this.domain = domain;
    }

    private Object readResolve() {

    /**
     * Interned {@link PhaseId} instances.
     */
    private static final Map<String, PhaseId> INSTANCES = new WeakHashMap<>();

    /**
     * The execution point of this {@link PhaseId}.
     */
    private final PhaseExecutionPoint executionPoint;

    /**
     * The static phase that this dynamic phase belongs to.
     */
    private final String phase;

    /**

    outer.add("foo"); // necessary because we try to remove elements later on
    return outer;
  }

  private static final class TestDeque<E> implements Deque<E> {
    private final Deque<E> delegate = new LinkedList<>();
    private final Object mutex = new Object[0]; // something Serializable

    @Override
    public boolean offer(E o) {
      assertTrue(Thread.holdsLock(mutex));

    return t.getState() == Thread.State.WAITING && blocker.isInstance(LockSupport.getBlocker(t));
  }

  static final class SlowChannel extends AbstractInterruptibleChannel {
    final CountDownLatch exitClose = new CountDownLatch(1);

    @Override
    protected void implCloseChannel() {
      Uninterruptibles.awaitUninterruptibly(exitClose);
    }

    return t.getState() == Thread.State.WAITING && blocker.isInstance(LockSupport.getBlocker(t));
  }

  static final class SlowChannel extends AbstractInterruptibleChannel {
    final CountDownLatch exitClose = new CountDownLatch(1);

    @Override
    protected void implCloseChannel() {
      Uninterruptibles.awaitUninterruptibly(exitClose);
    }

    private class ResolveTask implements Runnable {

        private final ClassLoader classLoader;

        private final CountDownLatch latch;

        private final Artifact artifact;

        private final RepositorySystemSession session;

        private final List<ArtifactRepository> remoteRepositories;

        private final ArtifactResolutionResult result;

        ResolveTask(

    NavigableMap<K, V> outer = Synchronized.navigableMap(inner, mutex);
    return outer;
  }

  static class TestEntry<K, V> extends ForwardingMapEntry<K, V> implements Serializable {
    private final Entry<K, V> delegate;
    private final Object mutex;

    TestEntry(Entry<K, V> delegate, Object mutex) {
      this.delegate = delegate;
      this.mutex = mutex;
    }

    @Override
    protected Entry<K, V> delegate() {

      checkState(current != null);
      current.setValue(value);
    }
  }

  /** An {@code Iterator} over distinct keys in key head order. */
  private final class DistinctKeyIterator implements Iterator<K> {
    final Set<K> seenKeys = Sets.newHashSetWithExpectedSize(keySet().size());
    @Nullable Node<K, V> next = head;
    @Nullable Node<K, V> current;
    int expectedModCount = modCount;

/**
 * Adapts a test iterable generator to give a TestIteratorGenerator.
 *
 * @author George van den Driessche
 */
@GwtCompatible
public final class DerivedTestIteratorGenerator<E>
    implements TestIteratorGenerator<E>, DerivedGenerator {
  private final TestSubjectGenerator<? extends Iterable<E>> collectionGenerator;

  public DerivedTestIteratorGenerator(