new AbstractBiMap<Integer, String>(
            new IdentityHashMap<Integer, String>(), new IdentityHashMap<String, Integer>()) {};
    bimap.put(1, "one");
    bimap.put(2, "two");
    bimap.put(3, "three");
    Iterator<Integer> iterator = bimap.keySet().iterator();
    iterator.next();
    iterator.next();
    iterator.remove();
    iterator.next();
    iterator.remove();
    assertEquals(1, bimap.size());

    // NOTE: if timeout < 0, remainingNanos will be < 0 and we will fall into the while(true) loop
    // at the bottom and throw a timeoutexception.
    long timeoutNanos = unit.toNanos(timeout); // we rely on the implicit null check on unit.
    long remainingNanos = timeoutNanos;
    if (Thread.interrupted()) {
      throw new InterruptedException();
    }
    @RetainedLocalRef Object localValue = valueField;

   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final boolean putAll(Multimap<? extends K, ? extends V> multimap) {
    throw new UnsupportedOperationException();
  }

  /**

                                            resetArtifact.setDependencyTrail(node.getDependencyTrail());
                                            throw new ArtifactResolutionException(
                                                    "Unable to get dependency information: " + e.getMessage(),
                                                    resetArtifact,

  @Override
  public final boolean addAll(int index, Collection<? extends E> newElements) {
    throw new UnsupportedOperationException();
  }

  @Override
  public final E set(int index, E element) {
    throw new UnsupportedOperationException();
  }

  @Override
  public final void add(int index, E element) {
    throw new UnsupportedOperationException();
  }

  @Override
  public final E remove(int index) {

                props.put("requiredMavenVersion", requiredMavenVersion);
                pluginArtifact = pluginArtifact.setProperties(props);
            }
        } catch (ArtifactDescriptorException e) {
            throw new PluginResolutionException(plugin, e.getResult().getExceptions(), e);
        }

        try {
            ArtifactRequest request = new ArtifactRequest(pluginArtifact, repositories, REPOSITORY_CONTEXT);

    } catch (IOException e) {
      throw new AssertionError(e);
    }

    try {
      joiner.appendTo(NASTY_APPENDABLE, set.iterator());
    } catch (IOException e) {
      throw new AssertionError(e);
    }

    try {
      joiner.appendTo(NASTY_APPENDABLE, array);
    } catch (IOException e) {
      throw new AssertionError(e);
    }
  }

                    throw new ArtifactNotFoundException("Unable to determine the latest version", artifact);
                }

                artifact.setBaseVersion(version);
                artifact.updateVersion(version, request.getLocalRepository());
            } catch (RepositoryMetadataResolutionException e) {
                throw new ArtifactResolutionException(e.getMessage(), artifact, e);

    switch (edgesConnecting.size()) {
      case 0:
        return null;
      case 1:
        return edgesConnecting.iterator().next();
      default:
        throw new IllegalArgumentException(String.format(MULTIPLE_EDGES_CONNECTING, nodeU, nodeV));
    }
  }

  @Override
  public @Nullable E edgeConnectingOrNull(EndpointPair<N> endpoints) {
    validateEndpoints(endpoints);

      if (finalizerUrl == null) {
        throw new FileNotFoundException(finalizerPath);
      }

      // Find URL pointing to base of class path.
      String urlString = finalizerUrl.toString();
      if (!urlString.endsWith(finalizerPath)) {
        throw new IOException("Unsupported path style: " + urlString);
      }