@Override
  public boolean containsKey(@Nullable Object key) {
    Map<K, V> delegate = delegateOrNull();
    return (delegate != null) ? delegate.containsKey(key) : indexOf(key) != -1;
  }

  @Override
  public @Nullable V get(@Nullable Object key) {
    Map<K, V> delegate = delegateOrNull();
    if (delegate != null) {
      return delegate.get(key);
    }
    int index = indexOf(key);
    if (index == -1) {

      boolean toInclusive) {
    return delegate().subMap(fromKey, fromInclusive, toKey, toInclusive);
  }

  @Override
  public NavigableMap<K, V> headMap(@ParametricNullness K toKey, boolean inclusive) {
    return delegate().headMap(toKey, inclusive);
  }

  @Override
  public NavigableMap<K, V> tailMap(@ParametricNullness K fromKey, boolean inclusive) {
    return delegate().tailMap(fromKey, inclusive);
  }

      boolean toInclusive) {
    return delegate().subMap(fromKey, fromInclusive, toKey, toInclusive);
  }

  @Override
  public NavigableMap<K, V> headMap(@ParametricNullness K toKey, boolean inclusive) {
    return delegate().headMap(toKey, inclusive);
  }

  @Override
  public NavigableMap<K, V> tailMap(@ParametricNullness K fromKey, boolean inclusive) {
    return delegate().tailMap(fromKey, inclusive);
  }

  }

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

  @Override
  public final State state() {
    return delegate.state();
  }

  /**
   * @since 13.0
   */
  @Override
  public final void addListener(Listener listener, Executor executor) {
    delegate.addListener(listener, executor);
  }

  /**
   * @since 14.0
   */

        return toolchain instanceof ToolchainWrapperV3 v3tc ? v3tc.delegate : new ToolchainWrapperV4(toolchain);
    }

    private ToolchainPrivate getToolchainV3(org.apache.maven.api.Toolchain toolchain) {
        return toolchain instanceof ToolchainWrapperV4 v3tc ? v3tc.delegate : new ToolchainWrapperV3(toolchain);
    }

    private record ToolchainWrapperV4(ToolchainPrivate delegate) implements org.apache.maven.api.Toolchain {

            Mockito.verify(delegate).transferInitiated(transferInitiatedEvent);
            Mockito.verify(delegate).transferStarted(transferStartedEvent);
            Mockito.verify(delegate).transferProgressed(transferProgressedEvent);
            Mockito.verify(delegate).transferSucceeded(transferSucceededEvent);
        }
    }

    private final TestRerunTaskExtension extension;
    private final TestExecuter<JvmTestExecutionSpec> delegate;

    public RerunTestExecuter(TestRerunTaskExtension extension, TestExecuter<JvmTestExecutionSpec> delegate) {
        this.extension = extension;
        this.delegate = delegate;
    }

    @Override
    public void execute(JvmTestExecutionSpec spec, TestResultProcessor testResultProcessor) {

  private final TestCollectionGenerator<E> delegate;

  ReserializingTestCollectionGenerator(TestCollectionGenerator<E> delegate) {
    this.delegate = delegate;
  }

  public static <E> ReserializingTestCollectionGenerator<E> newInstance(
      TestCollectionGenerator<E> delegate) {
    return new ReserializingTestCollectionGenerator<>(delegate);
  }

  @Override

  @Override
  protected abstract BlockingQueue<E> delegate();

  @CanIgnoreReturnValue
  @Override
  public int drainTo(Collection<? super E> c, int maxElements) {
    return delegate().drainTo(c, maxElements);
  }

  @CanIgnoreReturnValue
  @Override
  public int drainTo(Collection<? super E> c) {
    return delegate().drainTo(c);
  }

  @CanIgnoreReturnValue // TODO(kak): consider removing this

  @Override
  public int size() {
    Set<E> delegate = delegateOrNull();
    return (delegate != null) ? delegate.size() : size;
  }

  @Override
  public boolean isEmpty() {
    return size() == 0;
  }

  @Override
  public @Nullable Object[] toArray() {
    if (needsAllocArrays()) {
      return new Object[0];
    }
    Set<E> delegate = delegateOrNull();