private static <T> void testSuccessfulForwarding(
      Class<T> interfaceType, Method method, Function<? super T, ? extends T> wrapperFunction) {
    new InteractionTester<T>(interfaceType, method).testInteraction(wrapperFunction);
  }

  private static <T> void testExceptionPropagation(
      Class<T> interfaceType, Method method, Function<? super T, ? extends T> wrapperFunction) {
    RuntimeException exception = new RuntimeException();

  private static <T> void testSuccessfulForwarding(
      Class<T> interfaceType, Method method, Function<? super T, ? extends T> wrapperFunction) {
    new InteractionTester<T>(interfaceType, method).testInteraction(wrapperFunction);
  }

  private static <T> void testExceptionPropagation(
      Class<T> interfaceType, Method method, Function<? super T, ? extends T> wrapperFunction) {
    RuntimeException exception = new RuntimeException();

    public LookupException(String message) {
        super(message);
    }

    /**
     * @param message the message to give
     * @param e the {@link Exception}
     */
    public LookupException(String message, Exception e) {
        super(message, e);
    }

    /**
     * @param e the {@link Exception}
     */
    public LookupException(Exception e) {
        super(e);
    }

   * created multimaps.
   *
   * @since 2.0
   */
  @DoNotMock
  public static class Builder<K, V> {
    final Map<K, Collection<V>> builderMap;
    @CheckForNull Comparator<? super K> keyComparator;
    @CheckForNull Comparator<? super V> valueComparator;

    /**
     * Creates a new builder. The returned builder is equivalent to the builder generated by {@link
     * ImmutableMultimap#builder}.
     */

  }

  private static class EntryComparator<K extends @Nullable Object, V extends @Nullable Object>
      implements Comparator<Entry<K, V>> {
    final @Nullable Comparator<? super K> keyComparator;

    public EntryComparator(@Nullable Comparator<? super K> keyComparator) {
      this.keyComparator = keyComparator;
    }

    @Override
    @SuppressWarnings("unchecked") // no less safe than putting it in the map!

  REMOVE_OPERATIONS(CollectionFeature.REMOVE_OPERATIONS, SUPPORTS_REMOVE_WITH_INDEX);

  private final Set<Feature<? super List>> implied;

  ListFeature(Feature<? super List>... implied) {
    this.implied = Helpers.copyToSet(implied);
  }

  @Override
  public Set<Feature<? super List>> getImpliedFeatures() {
    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation

   * created multimaps.
   *
   * @since 2.0
   */
  @DoNotMock
  public static class Builder<K, V> {
    final Map<K, Collection<V>> builderMap;
    @CheckForNull Comparator<? super K> keyComparator;
    @CheckForNull Comparator<? super V> valueComparator;

    /**
     * Creates a new builder. The returned builder is equivalent to the builder generated by {@link
     * ImmutableMultimap#builder}.
     */

    assertAssignable(
        new TypeToken<ArrayList<? super Number>>() {}, new TypeToken<List<? super N11>>() {});

    // ? super Number
    assertNotAssignable(
        new TypeToken<ArrayList<N11>>() {}, new TypeToken<List<? super Number>>() {});
    assertAssignable(
        new TypeToken<ArrayList<Number>>() {}, new TypeToken<List<? super Number>>() {});
    assertAssignable(

            implements PathScopeRegistry {

        @Inject
        public DefaultPathScopeRegistry(List<PathScopeProvider> providers) {
            super(
                    providers,
                    PathScope.MAIN_COMPILE,
                    PathScope.MAIN_RUNTIME,
                    PathScope.TEST_COMPILE,
                    PathScope.TEST_RUNTIME);
        }

            MojoDescriptor mojoDescriptor, ClassRealm pluginRealm, String message, Throwable e) {
        super(mojoDescriptor, message, e);

        this.pluginRealm = pluginRealm;
    }

    public PluginContainerException(
            MojoDescriptor mojoDescriptor, ClassRealm pluginRealm, String message, ComponentLookupException e) {
        super(mojoDescriptor, message, e);

        this.pluginRealm = pluginRealm;
    }