val system: Dns = Dns.SYSTEM
  }

  @Test
  fun eventListener() {
    val eventListener =
      object : EventListener() {
        override fun callStart(call: Call) = TODO()

        override fun dnsStart(
          call: Call,
          domainName: String,
        ) = TODO()

        override fun dnsEnd(
          call: Call,
          domainName: String,
          inetAddressList: List<InetAddress>,

import okhttp3.CallEvent.ConnectEnd
import okhttp3.CallEvent.ConnectStart
import okhttp3.CallEvent.ConnectionAcquired
import okhttp3.CallEvent.ConnectionReleased
import okhttp3.CallEvent.DnsEnd
import okhttp3.CallEvent.DnsStart
import okhttp3.CallEvent.FollowUpDecision
import okhttp3.CallEvent.ProxySelectEnd
import okhttp3.CallEvent.ProxySelectStart
import okhttp3.CallEvent.RequestBodyEnd
import okhttp3.CallEvent.RequestBodyStart

	public fun dispatcherQueueEnd (Lokhttp3/Call;Lokhttp3/Dispatcher;)V
	public fun dispatcherQueueStart (Lokhttp3/Call;Lokhttp3/Dispatcher;)V
	public fun dnsEnd (Lokhttp3/Call;Ljava/lang/String;Ljava/util/List;)V
	public fun dnsStart (Lokhttp3/Call;Ljava/lang/String;)V
	public fun followUpDecision (Lokhttp3/Call;Lokhttp3/Response;Lokhttp3/Request;)V
	public final fun plus (Lokhttp3/EventListener;)Lokhttp3/EventListener;

	public fun dispatcherQueueEnd (Lokhttp3/Call;Lokhttp3/Dispatcher;)V
	public fun dispatcherQueueStart (Lokhttp3/Call;Lokhttp3/Dispatcher;)V
	public fun dnsEnd (Lokhttp3/Call;Ljava/lang/String;Ljava/util/List;)V
	public fun dnsStart (Lokhttp3/Call;Ljava/lang/String;)V
	public fun followUpDecision (Lokhttp3/Call;Lokhttp3/Response;Lokhttp3/Request;)V
	public final fun plus (Lokhttp3/EventListener;)Lokhttp3/EventListener;

HSPLokhttp3/EventListener;->connectionReleased(Lokhttp3/Call;Lokhttp3/Connection;)V
HSPLokhttp3/EventListener;->dnsEnd(Lokhttp3/Call;Ljava/lang/String;Ljava/util/List;)V
HSPLokhttp3/EventListener;->dnsStart(Lokhttp3/Call;Ljava/lang/String;)V
HSPLokhttp3/EventListener;->proxySelectEnd(Lokhttp3/Call;Lokhttp3/HttpUrl;Ljava/util/List;)V
HSPLokhttp3/EventListener;->proxySelectStart(Lokhttp3/Call;Lokhttp3/HttpUrl;)V

  }

  private static class FailStartService extends NoOpService {
    @Override
    protected void doStart() {
      notifyFailed(new IllegalStateException("start failure"));
    }
  }

  private static class FailRunService extends NoOpService {
    @Override
    protected void doStart() {
      super.doStart();
      notifyFailed(new IllegalStateException("run failure"));
    }
  }

import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.jspecify.annotations.Nullable;

/**
 * Base class for implementing services that can handle {@link #doStart} and {@link #doStop}
 * requests, responding to them with {@link #notifyStarted()} and {@link #notifyStopped()}
 * callbacks. Its subclasses must manage threads manually; consider {@link

import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.jspecify.annotations.Nullable;

/**
 * Base class for implementing services that can handle {@link #doStart} and {@link #doStop}
 * requests, responding to them with {@link #notifyStarted()} and {@link #notifyStopped()}
 * callbacks. Its subclasses must manage threads manually; consider {@link

  /* use AbstractService for state management */
  private final Service delegate =
      new AbstractService() {
        @Override
        protected final void doStart() {
          Executor executor = renamingDecorator(executor(), () -> serviceName());
          executor.execute(
              () -> {
                try {
                  startUp();
                  notifyStarted();

        } finally {
          lock.unlock();
        }
      }
    }

    private final Runnable task = new Task();

    @Override
    protected final void doStart() {
      executorService =
          MoreExecutors.renamingDecorator(executor(), () -> serviceName() + " " + state());
      executorService.execute(
          () -> {
            lock.lock();
            try {