}
  }

  private static final class PollingThread extends Thread {
    private final AbstractFuture<?> future;
    private final CountDownLatch completedIteration = new CountDownLatch(10);

    private PollingThread(AbstractFuture<?> future) {
      this.future = future;
    }

    @Override
    public void run() {
      while (true) {
        try {

    }
  }

  private static final class PollingThread extends Thread {
    private final AbstractFuture<?> future;
    private final CountDownLatch completedIteration = new CountDownLatch(10);

    private PollingThread(AbstractFuture<?> future) {
      this.future = future;
    }

    @Override
    public void run() {
      while (true) {
        try {

import java.net.UnknownHostException
import java.net.UnknownServiceException
import java.time.Duration
import java.util.Arrays
import java.util.concurrent.BlockingQueue
import java.util.concurrent.CountDownLatch
import java.util.concurrent.Executors
import java.util.concurrent.SynchronousQueue
import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicBoolean
import java.util.concurrent.atomic.AtomicInteger

import java.net.InetAddress
import java.net.InetSocketAddress
import java.net.Proxy
import java.net.UnknownHostException
import java.time.Duration
import java.util.Arrays
import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketEffect.CloseSocket

import assertk.assertions.isLessThan
import assertk.assertions.isNull
import assertk.assertions.isTrue
import java.io.EOFException
import java.io.IOException
import java.io.InterruptedIOException
import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicInteger
import kotlin.test.assertFailsWith
import okhttp3.Headers
import okhttp3.Headers.Companion.headersOf