private final Cache<File, Map<String, Set<String>>> typeHierarchyCache;
    private final InstrumentationAnalysisSerializer delegate;

    public CachedInstrumentationAnalysisSerializer(InstrumentationAnalysisSerializer delegate) {
        this.delegate = delegate;
        dependencyAnalysisCache = CacheBuilder.newBuilder()
            .concurrencyLevel(1)
            .maximumSize(20_000)
            .build();

    private final LocalOriginDependencyMetadata delegate;
    private final Dependency source;
    private final List<IvyArtifactName> artifacts;

    public DslOriginDependencyMetadataWrapper(LocalOriginDependencyMetadata delegate, Dependency source) {
        super(delegate);
        this.delegate = delegate;
        this.source = source;
        this.artifacts = delegate.getArtifacts();
    }

   */
  private final transient EnumSet<E> delegate;

  private ImmutableEnumSet(EnumSet<E> delegate) {
    this.delegate = delegate;
  }

  @Override
  boolean isPartialView() {
    return false;
  }

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

  @Override
  public Spliterator<E> spliterator() {

    final Supplier<T> delegate;

    ThreadSafeSupplier(Supplier<T> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @Override
    @ParametricNullness
    public T get() {
      synchronized (delegate) {
        return delegate.get();
      }
    }

    @Override
    public String toString() {
      return "Suppliers.synchronizedSupplier(" + delegate + ")";
    }

    private final Compiler<? super T> delegate;

    private BuildOperationLoggingCompilerDecorator(Compiler<? super T> delegate) {
        this.delegate = delegate;
    }

    public static <T extends BinaryToolSpec> Compiler<T> wrap(Compiler<T> delegate) {
        return new BuildOperationLoggingCompilerDecorator<T>(delegate);
    }

    @Override
    public WorkResult execute(T spec) {

    @VisibleForTesting
    final SyncSpec delegate;

    @Inject
    public CopySpecWrapper(SyncSpec delegate) {
        this.delegate = delegate;
    }

    @Override
    public boolean isCaseSensitive() {
        return delegate.isCaseSensitive();
    }

    @Override
    public void setCaseSensitive(boolean caseSensitive) {
        delegate.setCaseSensitive(caseSensitive);
    }

    @Override

    private final InternalMavenSession session;
    private final ExecutionEvent delegate;

    public DefaultEvent(InternalMavenSession session, ExecutionEvent delegate) {
        this.session = session;
        this.delegate = delegate;
    }

    @Override
    public EventType getType() {
        return EventType.valueOf(delegate.getType().name());
    }

    @Override
    public Session getSession() {

  @Override
  protected abstract Multimap<K, V> delegate();

  @Override
  public Map<K, Collection<V>> asMap() {
    return delegate().asMap();
  }

  @Override
  public void clear() {
    delegate().clear();
  }

  @Override
  public boolean containsEntry(@CheckForNull Object key, @CheckForNull Object value) {
    return delegate().containsEntry(key, value);
  }

  @Override

  @Override
  protected abstract Multimap<K, V> delegate();

  @Override
  public Map<K, Collection<V>> asMap() {
    return delegate().asMap();
  }

  @Override
  public void clear() {
    delegate().clear();
  }

  @Override
  public boolean containsEntry(@CheckForNull Object key, @CheckForNull Object value) {
    return delegate().containsEntry(key, value);
  }

  @Override

@ElementTypesAreNonnullByDefault
abstract class ForwardingLock implements Lock {
  abstract Lock delegate();

  @Override
  public void lock() {
    delegate().lock();
  }

  @Override
  public void lockInterruptibly() throws InterruptedException {
    delegate().lockInterruptibly();
  }

  @Override
  public boolean tryLock() {
    return delegate().tryLock();
  }

  @Override