}

  final Set<K> unmodifiableKeySet() {
    return new AbstractSet<K>() {
      @Override
      public UnmodifiableIterator<K> iterator() {
        Iterator<Entry<K, V>> entryIterator = backingMap.entrySet().iterator();

        return new UnmodifiableIterator<K>() {
          @Override
          public boolean hasNext() {
            return entryIterator.hasNext();
          }

          @Override

        StringBuilder ret = new StringBuilder().append(this.proto).append(":").append(this.server).append("[").append(this.endpoint);
        if (this.options != null) {
            for (final Entry<String, Object> entry : this.options.entrySet()) {
                ret.append(",").append(entry.getKey()).append("=").append(entry.getValue());
            }
        }
        ret.append("]");
        return ret.toString();
    }

            .named(parentBuilder.getName() + " [Map]")
            .suppressing(parentBuilder.getSuppressedTests())
            .suppressing(SetCreationTester.class.getMethods())
            // BiMap.entrySet() duplicate-handling behavior is too confusing for SetCreationTester
            .withSetUp(parentBuilder.getSetUp())
            .withTearDown(parentBuilder.getTearDown())
            .createTestSuite());
    /*

        Map<String, List<MojoExecution>> forkedExecutions = mojoExecution.getForkedExecutions();
        if (!forkedExecutions.isEmpty()) {
            for (Map.Entry<String, List<MojoExecution>> fork : forkedExecutions.entrySet()) {
                writer.accept("\t--- init fork of " + fork.getKey() + " for " + mojoExecId + " ---");

                for (MojoExecution forkedExecution : fork.getValue()) {

     * @param crawlerClientFactory The CrawlerClientFactory to register.
     */
    public synchronized void register(final CrawlerClientFactory crawlerClientFactory) {
        clientMap.entrySet().stream().forEach(e -> load(crawlerClientFactory, e.getKey(), e.getValue()));
        clientFactoryList.add(crawlerClientFactory);
        if (clientFactoryList.size() > maxClientFactorySize) {

            .filter(p -> p.getExtensions().findByType(TestFixtureExtension.class) != null)
            .map(project -> project.getExtensions().getByType(TestFixtureExtension.class))
            .flatMap(ext -> ext.serviceToProjectUseMap.entrySet().stream())
            .filter(entry -> entry.getKey().equals(serviceName))
            .map(Map.Entry::getValue)
            .findAny();
    }

    private void addFixtureProject(String path) {

     */
    @CanIgnoreReturnValue
    public <A extends Appendable> A appendTo(A appendable, Map<?, ?> map) throws IOException {
      return appendTo(appendable, map.entrySet());
    }

    /**
     * Appends the string representation of each entry of {@code map}, using the previously
     * configured separator and key-value separator, to {@code builder}. Identical to {@link

                onInlineContent();
            }

            elementStack.addFirst(name);
            visitor.onStartHtmlElement(name);
            for (Map.Entry<String, String> entry : attributes.entrySet()) {
                visitor.onHtmlElementAttribute(entry.getKey(), entry.getValue());
            }
            attributes.clear();
            visitor.onStartHtmlElementComplete(name);
        }

        // Clean up old failure records
        long now = System.currentTimeMillis();
        lastFailureTimes.entrySet().removeIf(entry -> now - entry.getValue() > FAILURE_RECOVERY_TIME * 2);

        // Clean up old consecutive failure counters
        consecutiveFailures.entrySet().removeIf(entry -> {
            String key = entry.getKey();
            Long lastFailure = lastFailureTimes.get(key);

    return new AbstractSet<N>() {
      @Override
      public UnmodifiableIterator<N> iterator() {
        if (orderedNodeConnections == null) {
          Iterator<Entry<N, Object>> entries = adjacentNodeValues.entrySet().iterator();
          return new AbstractIterator<N>() {
            @Override
            protected @Nullable N computeNext() {
              while (entries.hasNext()) {