this.delegate = delegate;
  }

  @Override
  boolean isPartialView() {
    return false;
  }

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

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

  @Override
  public boolean contains(@Nullable Object object) {

    }

    @Override
    public File getFile() {
        return artifact.getFile();
    }

    @Override
    public String getProperty(String key, String defaultValue) {
        return artifact.getProperty(key, defaultValue);
    }

    @Override
    public Map<String, String> getProperties() {
        return artifact.getProperties();

  // The remaining methods just delegate.

  @Override
  public final void shutdown() {
    delegate.shutdown();
  }

  @Override
  @CanIgnoreReturnValue
  public final List<Runnable> shutdownNow() {
    return delegate.shutdownNow();
  }

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

  @Override
  public final boolean isTerminated() {

  }

  // enum singleton pattern
  private enum ToStringFunction implements Function<Object, String> {
    INSTANCE;

    @Override
    public String apply(Object o) {
      checkNotNull(o); // eager for GWT.
      return o.toString();
    }

    @Override
    public String toString() {
      return "Functions.toStringFunction()";
    }
  }

  /**
   * Returns the identity function.
   *

    @Override
    public Object getBean() {
        return bean;
    }

    @Override
    public DefaultBeanConfigurationRequest setBean(Object bean) {
        this.bean = bean;
        return this;
    }

    @Override
    public Object getConfiguration() {
        return configuration;
    }

    @Override
    public String getConfigurationElement() {

            private static final long serialVersionUID = 1L;

            @Override
            public String getUserId() {
                return Constants.EMPTY_USER_ID;
            }

            @Override
            public boolean hasRoles(final String[] acceptedRoles) {
                return true;
            }

            @Override
            public String[] getRoles() {

  abstract E get(int index);

  @Override
  public UnmodifiableIterator<E> iterator() {
    return asList().iterator();
  }

  @Override
  @GwtIncompatible
  int copyIntoArray(@Nullable Object[] dst, int offset) {
    return asList().copyIntoArray(dst, offset);
  }

  @Override
  ImmutableList<E> createAsList() {
    return new ImmutableList<E>() {
      @Override
      public E get(int index) {

    override val timestampNs: Long,
    override val call: Call,
  ) : CallEvent()

  data class CacheHit(
    override val timestampNs: Long,
    override val call: Call,
  ) : CallEvent()

  data class CacheMiss(
    override val timestampNs: Long,
    override val call: Call,
  ) : CallEvent()

  data class CacheConditionalHit(
    override val timestampNs: Long,
    override val call: Call,

    }
  }

  @Override
  public @Nullable Entry<E> firstEntry() {
    return isEmpty() ? null : getEntry(0);
  }

  @Override
  public @Nullable Entry<E> lastEntry() {
    return isEmpty() ? null : getEntry(length - 1);
  }

  @Override
  public int count(@Nullable Object element) {
    int index = elementSet.indexOf(element);
    return (index >= 0) ? getCount(index) : 0;
  }

            @Override
            public void resetBuffer() {
            }

            @Override
            public boolean isCommitted() {
                return false;
            }

            @Override
            public void reset() {
            }

            @Override
            public void setLocale(java.util.Locale loc) {
            }

            @Override