// Wait for completion
crawler.awaitTermination();
System.out.println("Crawling completed");
```

### Custom Content Extractor

```java
public class CustomExtractor extends AbstractExtractor {
    @Override
    public ExtractData getText(final InputStream inputStream, final Map<String, String> params) {
        // Custom extraction logic
        ExtractData extractData = new ExtractData();
        // ... implementation

            if (socket != null) {
                socket.close();
                socket = null;
            }
            thread = null;
            responseTable.clear();
        }
    }

    @Override
    public void run() {
        int nameTrnId;
        NameServicePacket response;

        try {
            while (thread == Thread.currentThread()) {
                in.setLength(RCV_BUF_SIZE);

 */
public class UrlFilterServiceImplTest extends PlainTestCase {

    @InjectMocks
    private UrlFilterServiceImpl service;

    @Mock
    private MemoryDataHelper dataHelper;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        MockitoAnnotations.openMocks(this);
    }

    public void test_addIncludeUrlFilterSingle() {
        // Setup

  enum ExampleFeature implements Feature<Object> {
    FOO,
    IMPLIES_FOO,
    IMPLIES_IMPLIES_FOO,
    BAR,
    IMPLIES_BAR,
    IMPLIES_IMPLIES_FOO_AND_IMPLIES_BAR;

    @Override
    public ImmutableSet<Feature<? super Object>> getImpliedFeatures() {
      switch (this) {
        case IMPLIES_FOO:
          return ImmutableSet.of(FOO);
        case IMPLIES_IMPLIES_FOO:

 that belong to the same group, the project level allows configuration management at
 the project level, and the user level allows users to override settings on
 the site level, group level and project level.

* Site configuration

 At the site level all configuration is achieved by tweaking the various files that

        // Default constructor
    }

    /**
     * Processes response data based on HTTP status code and configured transformer.
     *
     * @param responseData the response data to process
     */
    @Override
    public void process(final ResponseData responseData) {
        if (isNotModified(responseData)) {
            final UrlQueue<?> urlQueue = CrawlingParameterUtil.getUrlQueue();

    /**
     * Gets the unique identifier for this search query session.
     *
     * @return The query identifier
     */
    public String getQueryId() {
        return queryId;
    }

    @Override
    public String toString() {
        return "SearchRenderData [documentItems=" + documentItems + ", facetResponse=" + facetResponse + ", appendHighlightParams="

     */
    public EmlExtractor() {
        // Default constructor
    }

    /* (non-Javadoc)
     * @see org.codelibs.robot.extractor.Extractor#getText(java.io.InputStream, java.util.Map)
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        final Properties props = new Properties(mailProperties);
        if (params != null) {

    .dns { hostname -> InetAddress.getAllByName(hostname).toList() }
    .build()
```

Kotlin calling OkHttp 4.x:

```kotlin
val client = OkHttpClient.Builder()
    .dns(object : Dns {
      override fun lookup(hostname: String) =
          InetAddress.getAllByName(hostname).toList()
    })
    .build()
```

SAM conversion impacts these APIs:

 * Authenticator

    CacheBuilderFactory factory = cacheFactory();
    return Iterables.transform(
        factory.buildAllPermutations(),
        new Function<CacheBuilder<Object, Object>, LoadingCache<Object, Object>>() {
          @Override
          public LoadingCache<Object, Object> apply(CacheBuilder<Object, Object> builder) {
            return builder.build(identityLoader());
          }
        });
  }