@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public abstract class ForwardingExecutorService extends ForwardingObject
    implements ExecutorService {
  /** Constructor for use by subclasses. */
  protected ForwardingExecutorService() {}

  @Override
  protected abstract ExecutorService delegate();

  @CheckReturnValue
  @Override
  public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {

package org.codelibs.fess.crawler.interval.impl;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

import org.codelibs.fess.crawler.entity.UrlQueue;
import org.codelibs.fess.crawler.entity.UrlQueueImpl;

import java.io.File;
import java.io.PrintWriter;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.apache.maven.jline.JLineMessageBuilderFactory;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.transfer.TransferCancelledException;

    @Override
    protected final void doStart() {
      executorService =
          MoreExecutors.renamingDecorator(executor(), () -> serviceName() + " " + state());
      executorService.execute(
          () -> {
            lock.lock();
            try {
              startUp();
              /*
               * requireNonNull is safe because executorService is never cleared after the
               * assignment above.

import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.atomic.AtomicInteger;
import okhttp3.Cache;
import okhttp3.HttpUrl;
import okhttp3.MediaType;

import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;

/**
 * Tests for {@link ClosingFuture} that exercise {@link
 * ClosingFuture#finishToValueAndCloser(ValueAndCloserConsumer, Executor)}.
 */
public class ClosingFutureFinishToValueAndCloserTest extends AbstractClosingFutureTest {
  private final ExecutorService finishToValueAndCloserExecutor = newSingleThreadExecutor();

import com.google.common.collect.Multiset;
import com.google.common.testing.TestLogHandler;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.TestCase;

/** Tests for {@link ListenerCallQueue}. */

import com.google.common.collect.Multiset;
import com.google.common.testing.TestLogHandler;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.TestCase;

/** Tests for {@link ListenerCallQueue}. */

import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Used to test listenable future implementations.
 *
 * @author Sven Mawson
 */
public class ListenableFutureTester {

  private final ExecutorService exec;
  private final ListenableFuture<?> future;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.ArrayList;
import java.util.Random;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import junit.framework.TestCase;

/**
 * Basher test for {@link AtomicLongMap}.
 *
 * @author mike nonemacher
 */