* stop itself.
 */
// no @ElementTypesAreNonNullByDefault for the reasons discussed above
public class Finalizer implements Runnable {

  private static final Logger logger = Logger.getLogger(Finalizer.class.getName());

  /** Name of FinalizableReference.class. */
  private static final String FINALIZABLE_REFERENCE = "com.google.common.base.FinalizableReference";

  /**

   * strangely when run in JDK 9. We are considering this a known issue. Please see
   * https://github.com/google/guava/issues/3086 for more information.
   */

  private static final Logger logger = Logger.getLogger(FinalizableReferenceQueue.class.getName());

  private static final String FINALIZER_CLASS_NAME = "com.google.common.base.internal.Finalizer";

  /** Reference to Finalizer.startFinalizer(). */

   * strangely when run in JDK 9. We are considering this a known issue. Please see
   * https://github.com/google/guava/issues/3086 for more information.
   */

  private static final Logger logger = Logger.getLogger(FinalizableReferenceQueue.class.getName());

  private static final String FINALIZER_CLASS_NAME = "com.google.common.base.internal.Finalizer";

  /** Reference to Finalizer.startFinalizer(). */

import com.google.common.testing.TearDownAccepter;
import java.util.concurrent.TimeUnit;
import java.util.logging.Logger;

/**
 * Utilities for performing thread interruption in tests
 *
 * @author Kevin Bourrillion
 * @author Chris Povirk
 */
final class InterruptionUtil {
  private static final Logger logger = Logger.getLogger(InterruptionUtil.class.getName());

import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Base test case class for I/O tests.
 *
 * @author Chris Nokleberg
 * @author Colin Decker
 */
public abstract class IoTestCase extends TestCase {

  private static final Logger logger = Logger.getLogger(IoTestCase.class.getName());

      listenerLatch.await();
    }
    return returnValue;
  }

  // This is the old implementation of ExecutionList using a LinkedList.
  private static final class OldExecutionList {
    static final Logger log = Logger.getLogger(OldExecutionList.class.getName());
    final Queue<OldExecutionList.RunnableExecutorPair> runnables = Lists.newLinkedList();
    boolean executed = false;

 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
final class ListenerCallQueue<L> {
  // TODO(cpovirk): consider using the logger associated with listener.getClass().
  private static final LazyLogger logger = new LazyLogger(ListenerCallQueue.class);

  // TODO(chrisn): promote AppendOnlyCollection for use here.
  private final List<PerListenerQueue<L>> listeners =

      return new byte[0];
    }

    @Override
    public void tearDown() throws IOException {}
  }

  private abstract static class FileFactory {

    private static final Logger logger = Logger.getLogger(FileFactory.class.getName());

    private final ThreadLocal<File> fileThreadLocal = new ThreadLocal<>();

    protected File createFile() throws IOException {

          "testEquality");

  private static final Chopper TEST_SUFFIX =
      suffix("Test").or(suffix("Tests")).or(suffix("TestCase")).or(suffix("TestSuite"));

  private final Logger logger = Logger.getLogger(getClass().getName());
  private final ClassSanityTester tester = new ClassSanityTester();
  private Visibility visibility = Visibility.PACKAGE;
  private Predicate<Class<?>> classFilter =

 * @author Jesse Wilson
 * @since 1.0
 */
@GwtIncompatible
@J2ktIncompatible
@ElementTypesAreNonnullByDefault
public abstract class AbstractExecutionThreadService implements Service {
  private static final LazyLogger logger = new LazyLogger(AbstractExecutionThreadService.class);

  /* use AbstractService for state management */
  private final Service delegate =
      new AbstractService() {
        @Override