*
 * <p>
 * Subclasses should implement the actual extraction logic in their own
 * methods, leveraging the helper methods provided by this abstract class.
 * </p>
 *
 */
public abstract class AbstractExtractor implements Extractor {

    /** The crawler container. */
    @Resource
    protected CrawlerContainer crawlerContainer;

    /**
     * Constructs a new AbstractExtractor.
     */
    public AbstractExtractor() {

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.config.PropertyConfiguration;

/**
 * Global singleton context
 *
 * @author mbechler
 *
 */
public class SingletonContext extends BaseContext implements CIFSContext {

    private static final Logger log = LoggerFactory.getLogger(SingletonContext.class);
    private static SingletonContext INSTANCE;

    /**
     * Initialize singleton context using custom properties

      str.append(chars);
      return charactersOf(str);
    }
  }

  private abstract static class TestUnhashableListGenerator
      extends TestUnhashableCollectionGenerator<List<UnhashableObject>>
      implements TestListGenerator<UnhashableObject> {}

  public static class UnhashableElementsImmutableListGenerator extends TestUnhashableListGenerator {
    @Override

import jcifs.internal.smb1.trans.nt.NtTransNotifyChangeResponse;
import jcifs.internal.smb2.notify.Smb2ChangeNotifyRequest;

/**
 * @author mbechler
 *
 */
class SmbWatchHandleImpl implements SmbWatchHandle {

    private static final Logger log = LoggerFactory.getLogger(SmbWatchHandleImpl.class);

    private final SmbFileHandleImpl handle;
    private final int filter;
    private final boolean recursive;

  }

  /*
   * This class is used to serialize ImmutableEnumMap instances.
   */
  @J2ktIncompatible // serialization
  private static final class EnumSerializedForm<K extends Enum<K>, V> implements Serializable {
    final EnumMap<K, V> delegate;

    EnumSerializedForm(EnumMap<K, V> delegate) {
      this.delegate = delegate;
    }

    Object readResolve() {

    return true;
  }

  @Override
  public int hashCode() {
    return 0;
  }

  @GwtIncompatible
  @J2ktIncompatible
  private static final class SerializedForm<C extends Comparable> implements Serializable {
    private final DiscreteDomain<C> domain;

    private SerializedForm(DiscreteDomain<C> domain) {
      this.domain = domain;
    }

    private Object readResolve() {

 * #putByte}. Subtypes may provide more efficient implementations, however.
 *
 * @author Dimitris Andreou
 */
abstract class AbstractHasher implements Hasher {
  @Override
  @CanIgnoreReturnValue
  public final Hasher putBoolean(boolean b) {
    return putByte(b ? (byte) 1 : (byte) 0);
  }

  @Override
  @CanIgnoreReturnValue

 * non-GWT).
 *
 * @author Louis Wasserman
 */
@GwtCompatible
final class UnmodifiableSortedMultiset<E extends @Nullable Object> extends UnmodifiableMultiset<E>
    implements SortedMultiset<E> {
  UnmodifiableSortedMultiset(SortedMultiset<E> delegate) {
    super(delegate);
  }

  @Override
  protected SortedMultiset<E> delegate() {
    return (SortedMultiset<E>) super.delegate();

 *
 * Version metadata contains list of existing baseVersions within this GA.
 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
class VersionsMetadataGenerator implements MetadataGenerator {

    private final Map<Object, VersionsMetadata> versions;

    private final Map<Object, VersionsMetadata> processedVersions;

    private final Date timestamp;

    assertThat(timer.elapsed(MILLISECONDS)).isAtLeast(10L);
    // wait for interrupted status and clear it
    while (!Thread.interrupted()) {
      Thread.yield();
    }
  }

  private static class Producer implements Callable<@Nullable Void> {
    final BlockingQueue<Object> q;
    final int elements;
    final CountDownLatch beganProducing = new CountDownLatch(1);
    final CountDownLatch doneProducing = new CountDownLatch(1);