* {@link SuccessorsFunction#successors(Object)} can only be called for a subset of all nodes.
   */
  @Test
  public void forGraph_breadthFirst_iterableIsLazy() {
    RequestSavingGraph graph = new RequestSavingGraph(DIAMOND_GRAPH);
    Iterable<Character> result = Traverser.forGraph(graph).breadthFirst('a');

    assertEqualCharNodes(Iterables.limit(result, 2), "ab");

  - [Known Issues](#known-issues)
  - [Before Upgrading](#before-upgrading)
      - [New Deprecations](#new-deprecations)
      - [Removed Deprecations](#removed-deprecations)
      - [Graduated to Stable/GA](#graduated-to-stablega)
      - [Graduated to Beta](#graduated-to-beta)
    - [New alpha features](#new-alpha-features)
  - [Other Notable Changes](#other-notable-changes-10)

        }
        final String[] values = value.split("[\r\n]");
        final List<String> list = new ArrayList<>(values.length);
        for (final String line : values) {
            if (StringUtil.isNotBlank(line)) {
                list.add(line.trim());
            }
        }
        return list.toArray(new String[list.size()]);
    }

        final String p = getProperty(key);
        if (p != null) {
            final StringTokenizer tok = new StringTokenizer(p, delim);
            final int len = tok.countTokens();
            final InetAddress[] arr = new InetAddress[len];
            for (int i = 0; i < len; i++) {
                final String addr = tok.nextToken();
                try {

    //                                         Actually Crud
    //                                         -------------
    /**
     * Creates a new related content item.
     *
     * @param form the create form containing the new item data
     * @return HTML response redirecting to the list page after creation
     */
    @Execute
    @Secured({ ROLE })

            final List<String> tagList = new ArrayList<>();
            final String key = ComponentUtil.getVirtualHostHelper().getVirtualHostKey();
            if (StringUtil.isNotBlank(key)) {
                tagList.add(key);
            }
            runtime.registerData("popularWords", popularWordHelper.getWordList(SearchRequestType.SEARCH, null,
                    tagList.toArray(new String[tagList.size()]), null, null, null));

        // Given
        final int threadCount = 10;
        final Thread[] threads = new Thread[threadCount];
        final boolean[] results = new boolean[threadCount];

        // When
        for (int i = 0; i < threadCount; i++) {
            final int index = i;
            threads[i] = new Thread(() -> {
                try {
                    // Multiple threads accessing context simultaneously

        }
        final StringBuilder buf = new StringBuilder(100);
        for (final Object arg : methodArgs) {
            if (arg != null) {
                buf.append(arg.getClass().getName());
            } else {
                buf.append("null");
            }
            buf.append(", ");
        }
        buf.setLength(buf.length() - 2);
        return new String(buf);
    }

        try {
            final String content = params != null ? params.getOrDefault(ExtractData.RESOURCE_NAME_KEY, StringUtil.EMPTY) : StringUtil.EMPTY;
            return new ExtractData(content);
        } catch (final Exception e) {
            throw new ExtractException("Failed to extract filename from parameters.", e);
        }
    }

    private final ExtensionBlocksSummaryRenderer extensionBlocksSummaryRenderer;
    private final BlockDetailRenderer blockDetailRenderer;

    public BlocksRenderer(LinkRenderer linkRenderer, GenerationListener listener) {
        blockDetailRenderer = new BlockDetailRenderer(linkRenderer, listener);