/**
 * A generic JUnit test which tests {@code isEmpty()} operations on a collection. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.

import com.google.common.testing.ForwardingWrapperTester;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link ForwardingListMultimap}.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class ForwardingListMultimapTest extends TestCase {

  @SuppressWarnings("rawtypes")
  public void testForwarding() {
    new ForwardingWrapperTester()

import java.util.Collection;
import java.util.Set;
import junit.framework.Test;

/**
 * Tests the {@link Set} implementations of {@link java.util}, suppressing tests that trip known
 * OpenJDK 6 bugs.
 *
 * @author Kevin Bourrillion
 */
@AndroidIncompatible // test-suite builders
public class OpenJdk6SetTests extends TestsForSetsInJavaUtil {
  public static Test suite() {
    return new OpenJdk6SetTests().allTests();
  }

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.jspecify.annotations.NullUnmarked;

/**
 * A byte sink for testing that has configurable behavior.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class TestByteSink extends ByteSink implements TestStreamSupplier {

  private final ByteArrayOutputStream bytes = new ByteArrayOutputStream();

package com.google.common.hash;

import com.google.common.base.Supplier;
import java.util.concurrent.atomic.AtomicLong;

/**
 * Source of {@link LongAddable} objects that deals with GWT, Unsafe, and all that.
 *
 * @author Louis Wasserman
 */
final class LongAddables {
  private static final Supplier<LongAddable> SUPPLIER;

  static {
    Supplier<LongAddable> supplier;
    try {

import com.google.common.collect.ImmutableBiMap;
import java.util.Collections;
import java.util.Map;
import java.util.Set;

/**
 * An implementation of {@link NetworkConnections} for undirected networks.
 *
 * @author James Sexton
 * @param <N> Node parameter type
 * @param <E> Edge parameter type
 */
final class UndirectedNetworkConnections<N, E> extends AbstractUndirectedNetworkConnections<N, E> {

/**
 * A callback for accepting the results of a {@link java.util.concurrent.Future} computation
 * asynchronously.
 *
 * <p>To attach to a {@link ListenableFuture} use {@link Futures#addCallback}.
 *
 * @author Anthony Zana
 * @since 10.0
 */
@GwtCompatible
public interface FutureCallback<V extends @Nullable Object> {
  /** Invoked with the result of the {@code Future} computation when it is successful. */

 * {@code ExecutorService} methods. To create an instance from an existing {@link
 * ScheduledExecutorService}, call {@link
 * MoreExecutors#listeningDecorator(ScheduledExecutorService)}.
 *
 * @author Chris Povirk
 * @since 10.0
 */
@GwtIncompatible
public interface ListeningScheduledExecutorService
    extends ScheduledExecutorService, ListeningExecutorService {

  /**

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.SampleElements.Strings;
import java.util.List;
import org.jspecify.annotations.NullMarked;

/**
 * TODO: javadoc.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
public abstract class TestStringListGenerator implements TestListGenerator<String> {
  @Override
  public SampleElements<String> samples() {
    return new Strings();

import com.google.common.collect.testing.features.MapFeature;
import java.util.List;
import org.junit.Ignore;

/**
 * Testers for {@link ListMultimap#replaceValues(Object, Iterable)}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.