@Resource
    private CrawlerContainer crawlerContainer;

    @Override
    protected String prepareConfigFile() {
        return "crawler.xml";
    }

    @Test
    public void test_execute_web() throws Exception {
        final CrawlerWebServer server = new CrawlerWebServer(0);
        server.start();

        final String url = "http://localhost:" + server.getPort() + "/";
        try {
            final int maxCount = 50;

    }

    @Override
    public String asTableDbName() {
        return "role";
    }

    // ===================================================================================
    //                                                                              Source
    //                                                                              ======
    @Override
    public Map<String, Object> toSource() {

    }

    @Override
    public String getId() {
        return crawlingConfig.getId();
    }

    @Override
    public String getName() {
        return crawlingConfig.getName();
    }

    @Override
    public String[] getPermissions() {
        return crawlingConfig.getPermissions();
    }

    @Override
    public String[] getVirtualHosts() {

    public String description;

    /**
     * The URLs to be crawled by this web configuration.
     */
    @Required
    @UriType(protocolType = ProtocolType.WEB)
    @CustomSize(maxKey = "form.admin.max.input.size")
    public String urls;

    /**
     * URL patterns to include during crawling.
     */
    @CustomSize(maxKey = "form.admin.max.input.size")
    public String includedUrls;

    /**

        return mergedItem;
    }

    /**
     * Merges readings at a specific index from two reading arrays.
     */
    private static String[] mergeReadings(final String[][] readings1, final String[][] readings2, final int index) {
        final List<String> merged = new ArrayList<>();

        if (readings1.length > index && readings1[index] != null) {
            Collections.addAll(merged, readings1[index]);

        // nothing
    }

    private String index = null;

    private int size = 10;

    private final List<String> tags = new ArrayList<>();

    private final List<String> roles = new ArrayList<>();

    private final List<String> fields = new ArrayList<>();

    private final List<String> languages = new ArrayList<>();

    private String seed = String.valueOf(System.currentTimeMillis());

    }

    @Override
    public boolean matchesRequirements(Map<String, String> requirements) {
        for (Map.Entry<String, String> requirement : requirements.entrySet()) {
            String key = requirement.getKey();

            RequirementMatcher matcher = provides.get(key);

            if (matcher == null) {
                getLog().debug("Toolchain {} is missing required property: {}", this, key);

        // default constructor
    }

    @Override
    public String getFileExtension() {
        return ".json";
    }

    @Override
    public String getIndexFileName() {
        return "index.json";
    }

    @Override
    public String format(final Map<String, Object> source, final Set<String> excludeFields) {
        final StringBuilder json = new StringBuilder();
        json.append("{\n");

        address = System.getProperty(HTTP_ADDRESS, "localhost:9200").trim();
        final String targets = System.getProperty(TARGET_INDICES);
        if (StringUtil.isNotBlank(targets)) {
            targetIndices = Arrays.stream(targets.split(",")).map(String::trim).toArray(n -> new String[n]);
        }
    }

    /**
     * Sets the address of the OpenSearch instance.
     * @param address The address.
     */

@NullUnmarked
public class FilteredMultimapTest extends TestCase {

  private static final Predicate<Entry<String, Integer>> ENTRY_PREDICATE =
      entry ->
          !Objects.equals(entry.getKey(), "badkey") && !Objects.equals(entry.getValue(), 55556);

  protected Multimap<String, Integer> create() {
    Multimap<String, Integer> unfiltered = HashMultimap.create();
    unfiltered.put("foo", 55556);
    unfiltered.put("badkey", 1);