* time-limited would be extremely annoying, so this gives you a time-limiter you can easily swap in
 * for your real time-limiter while you're debugging.
 *
 * @author Kevin Bourrillion
 * @author Jens Nyman
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class FakeTimeLimiter implements TimeLimiter {
  @CanIgnoreReturnValue // TODO(kak): consider removing this

 * time limit expires for a given method call, the thread running the call will be interrupted.
 *
 * @author Kevin Bourrillion
 * @author Jens Nyman
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class SimpleTimeLimiter implements TimeLimiter {

  private final ExecutorService executor;

import java.util.concurrent.TimeoutException;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Imposes a time limit on method calls.
 *
 * @author Kevin Bourrillion
 * @author Jens Nyman
 * @since 1.0
 */
@DoNotMock("Use FakeTimeLimiter")
@J2ktIncompatible
@GwtIncompatible
@SuppressWarnings("GoodTime") // should have java.time.Duration overloads
@ElementTypesAreNonnullByDefault

  `Boots and shoes under the sea,' the Gryphon went on in a deep
voice, `are done with a whiting.  Now you know.'

  `And what are they made of?' Alice asked in a tone of great
curiosity.

  `Soles and eels, of course,' the Gryphon replied rather
impatiently:  `any shrimp could have told you that.'

  `If I'd been the whiting,' said Alice, whose thoughts were
still running on the song, `I'd have said to the porpoise, "Keep

import java.util.concurrent.Executors;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;

/**
 * Unit test for {@link SimpleTimeLimiter}.
 *
 * @author kevinb
 * @author Jens Nyman
 */
public class SimpleTimeLimiterTest extends TestCase {

  private static final long DELAY_MS = 50;
  private static final long ENOUGH_MS = 10000;
  private static final long NOT_ENOUGH_MS = 5;

import com.google.common.collect.Iterables;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.File;
import java.io.IOException;

/**
 * Tests for {@link Files#fileTraverser()}.
 *
 * @author Jens Nyman
 */

public class FilesFileTraverserTest extends IoTestCase {

  private File rootDir;

  @Override
  public void setUp() throws IOException {
    rootDir = createTempDir();
  }

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import junit.framework.TestCase;

/**
 * Tests for {@link MoreFiles#fileTraverser()}.
 *
 * @author Jens Nyman
 */

public class MoreFilesFileTraverserTest extends TestCase {

  private Path rootDir;

  @Override
  public void setUp() throws IOException {

 * additional documentation, including <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#notes-for-implementors">notes for
 * implementors</a>
 *
 * @author Joshua O'Madadhain
 * @author Jens Nyman
 * @param <N> Node parameter type
 * @since 23.0
 */
@Beta
@DoNotMock("Implement with a lambda, or use GraphBuilder to build a Graph with the desired edges")
@ElementTypesAreNonnullByDefault

 * additional documentation, including <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#notes-for-implementors">notes for
 * implementors</a>
 *
 * @author Joshua O'Madadhain
 * @author Jens Nyman
 * @param <N> Node parameter type
 * @since 23.0
 */
@Beta
@DoNotMock("Implement with a lambda, or use GraphBuilder to build a Graph with the desired edges")
@ElementTypesAreNonnullByDefault

 * of the {@code Immutable*} types</a> for more information on the properties and guarantees
 * provided by this class.
 *
 * @author James Sexton
 * @author Joshua O'Madadhain
 * @author Omar Darwish
 * @author Jens Nyman
 * @param <N> Node parameter type
 * @since 20.0
 */
@Beta
@Immutable(containerOf = {"N"})
@ElementTypesAreNonnullByDefault
public class ImmutableGraph<N> extends ForwardingGraph<N> {