* ThreadLocal is usually implemented with a WeakReference, which can have negative performance
   * properties; for example, calling WeakReference.get() on Android will block during an
   * otherwise-concurrent GC cycle.
   */
  private static final class TaskNonReentrantExecutor extends AtomicReference<RunningState>
      implements Executor, Runnable {

    /**

 * @param <E> the type of elements held in this collection
 * @since 4.0
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class ForwardingBlockingQueue<E> extends ForwardingQueue<E>
    implements BlockingQueue<E> {

  /** Constructor for use by subclasses. */
  protected ForwardingBlockingQueue() {}

  @Override
  protected abstract BlockingQueue<E> delegate();

  @CanIgnoreReturnValue
  @Override

              .withTearDown(parentBuilder.getTearDown())
              .createTestSuite());
    }
    return derivedSuites;
  }

  private static final class ReserializedCollectionGenerator<E>
      implements TestCollectionGenerator<E> {
    final OneSizeTestContainerGenerator<Collection<E>, E> gen;

    private ReserializedCollectionGenerator(OneSizeTestContainerGenerator<Collection<E>, E> gen) {
      this.gen = gen;
    }

/**
 * A simple mock implementation of {@code Runnable} that can be used for testing ListenableFutures.
 *
 * @author Nishant Thakkar
 * @since 10.0
 */
@GwtIncompatible
public class MockFutureListener implements Runnable {
  private final CountDownLatch countDownLatch;
  private final ListenableFuture<?> future;

  public MockFutureListener(ListenableFuture<?> future) {
    this.countDownLatch = new CountDownLatch(1);

import jcifs.BufferCache;
import jcifs.Configuration;

/**
 * Cache for reusable byte buffers
 *
 *
 * <p>This class is intended for internal use.</p>
 */
public class BufferCacheImpl implements BufferCache {

    private final Object[] cache;
    private final int bufferSize;
    private int freeBuffers = 0;

    /**
     * Constructs a buffer cache using configuration settings.
     *

 * in the monitored directory, such as file creation, modification, or deletion.
 */
public class NtTransNotifyChangeResponse extends SmbComNtTransactionResponse implements NotifyResponse {

    private final List<FileNotifyInformation> notifyInformation = new ArrayList<>();

    /**
     * Constructs an NT transaction notify change response.

/**
 * SMB2 Lock data structure.
 *
 * This class represents a single lock element used in
 * SMB2 Lock requests for byte-range locking.
 *
 * @author mbechler
 */
public class Smb2Lock implements Encodable {

    /**
     * Flag indicating a shared lock that allows concurrent read access.
     */
    public static final int SMB2_LOCKFLAG_SHARED_LOCK = 0x1;

    /**

/**
 * Wraps an ordinary {@link CharSequence} as a source.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services} instead
 */
@Deprecated(since = "4.0.0")
public class StringSource implements Source {
    private final String content;

    private final String location;

    private final int hashCode;

    /**
     * Creates a new source backed by the specified string.
     *

import org.apache.maven.repository.legacy.metadata.MetadataResolutionRequest;
import org.apache.maven.repository.legacy.metadata.ResolutionGroup;

@Named
@Singleton
@Deprecated
public class TestMetadataSource implements ArtifactMetadataSource {
    @Inject
    private ArtifactFactory factory;

    @Override
    public ResolutionGroup retrieve(

@AndroidIncompatible // lots of failures, possibly some related to bad equals() implementations?
@NullUnmarked
public class TypeTokenTest extends TestCase {

  private abstract static class StringList implements List<String> {}

  private abstract static class IntegerList implements List<Integer> {}

  public void testValueEqualityNotInstanceEquality() {
    TypeToken<List<String>> a = new TypeToken<List<String>>() {};