public class PingResponse {
    private static final String CLUSTER_NAME = "cluster_name";
    private static final String STATUS = "status";
    private static final String TIMED_OUT = "timed_out";
    private static final String NUMBER_OF_NODES = "number_of_nodes";
    private static final String NUMBER_OF_DATA_NODES = "number_of_data_nodes";

    /** The key of the configuration. e.g. false */
    String API_JSONP_ENABLED = "api.jsonp.enabled";

    /** The key of the configuration. e.g. status,timed_out */
    String API_PING_search_engine_FIELDS = "api.ping.search_engine.fields";

    /** The key of the configuration. e.g.  */
    String VIRTUAL_HOST_HEADERS = "virtual.host.headers";

   *   <li>awaits executor service termination for half of the specified timeout.
   *   <li>if the timeout expires, it calls {@link ExecutorService#shutdownNow()}, cancelling
   *       pending tasks and interrupting running tasks.
   *   <li>awaits executor service termination for the other half of the specified timeout.
   * </ol>
   *

    private final boolean permanent;

    private long startTime;

    private int status = ACTIVE;

    TimeoutTask(final TimeoutTarget timeoutTarget, final int timeout, final boolean permanent) {
        this.timeoutTarget = timeoutTarget;
        this.timeoutMillis = timeout * 1000L;
        this.permanent = permanent;
        this.startTime = System.currentTimeMillis();
    }

    /**
     * 期限切れかどうかを返します。
     *

        return;
      }

      /*
       * If we're about to complete the TimeoutFuture, we want to release our reference to it.
       * Otherwise, we'll pin it (and its result) in memory until the timeout task is GCed. (The
       * need to clear our reference to the TimeoutFuture is the reason we use a *static* nested
       * class with a manual reference back to the "containing" class.)
       *

      return super.get();
    }

    @CanIgnoreReturnValue
    @Override
    public final V get(long timeout, TimeUnit unit)
        throws InterruptedException, ExecutionException, TimeoutException {
      return super.get(timeout, unit);
    }

    @Override
    public final boolean isDone() {
      return super.isDone();
    }

    @Override

    final AtomicReference<Throwable> thrown = new AtomicReference<>(null);
    final int numThreads = 3;
    final Thread[] threads = new Thread[numThreads];
    final long timeout = TimeUnit.SECONDS.toNanos(60);

    final Supplier<Boolean> supplier =
        new Supplier<Boolean>() {
          boolean isWaiting(Thread thread) {
            switch (thread.getState()) {

    final AtomicReference<Throwable> thrown = new AtomicReference<>(null);
    final int numThreads = 3;
    final Thread[] threads = new Thread[numThreads];
    final long timeout = TimeUnit.SECONDS.toNanos(60);

    final Supplier<Boolean> supplier =
        new Supplier<Boolean>() {
          boolean isWaiting(Thread thread) {
            switch (thread.getState()) {

        };
    Bar bar = getDone(transformAsync(future, function, directExecutor()));
    assertSame(barChild, bar);
  }

  @J2ktIncompatible
  @GwtIncompatible // get() timeout
  public void testTransformAsync_asyncFunction_timeout()
      throws InterruptedException, ExecutionException {
    AsyncFunction<String, Integer> function = constantAsyncFunction(immediateFuture(1));
    ListenableFuture<Integer> future =

         * Only kill local Gradle processes (classpath in checkout directory).
         * Not clean up global Gradle processes (i.e. classpath in ~/.gradle/...).
         * Because the step is not guaranteed to run (e.g. build timeout), we need `KILL_LEAKED_PROCESSES_FROM_PREVIOUS_BUILDS` mode.
         */
        KILL_PROCESSES_STARTED_BY_GRADLE,
        /**