// Use max-workers=1 to force non-parallel execution and the tasks to run in the specified order
        // (--no-parallel doesn't have an effect with CC, but max-workers should affect both CC and parallel executors)
        args("--max-workers=1")
        return super.withBuildCache()
    }

tasks.create("foo") {
    tasks.create("bar")
}
----
=====
====

When converting this to use the new API, something surprising happens: `bar` doesn't exist.
The new API only executes configuration actions when necessary,
so the `register()` for task `bar` only executes when `foo` is configured.

====
[.multi-language-sample]
=====
.build.gradle
[source, groovy]
----
tasks.register("foo") {

   *
   * @param listener the listener to run when the manager changes state
   * @param executor the executor in which the listeners callback methods will be run.
   */
  public void addListener(Listener listener, Executor executor) {
    state.addListener(listener, executor);
  }

  /**
   * Initiates service {@linkplain Service#startAsync startup} on all the services being managed. It

   *
   * @param listener the listener to run when the manager changes state
   * @param executor the executor in which the listeners callback methods will be run.
   */
  public void addListener(Listener listener, Executor executor) {
    state.addListener(listener, executor);
  }

  /**
   * Initiates service {@linkplain Service#startAsync startup} on all the services being managed. It

    server.enqueue(MockResponse(body = "A"))
    server.enqueue(MockResponse(body = "A"))
    val executor = Executors.newCachedThreadPool(threadFactory("HttpOverHttp2Test"))
    val countDownLatch = CountDownLatch(2)
    executor.execute(AsyncRequest("/r1", countDownLatch))
    executor.execute(AsyncRequest("/r2", countDownLatch))
    countDownLatch.await()
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)

 *   <li>All threads generated must be joined inside each test case method (or {@code fail} to do
 *       so) before returning from the method. The {@code joinPool} method can be used to do this
 *       when using Executors.
 * </ol>
 *
 * <p><b>Other notes</b>
 *
 * <ul>
 *   <li>Usually, there is one testcase method per JSR166 method covering "normal" operation, and

    }
    try {
      closingFuture.finishToValueAndCloser(new NoOpValueAndCloserConsumer<>(), executor);
      fail();
    } catch (IllegalStateException expected) {
    }
  }

  // Avoid infinite recursion if a closeable's close() method throws RejectedExecutionException and
  // is closed using the direct executor.
  public void testCloseThrowsRejectedExecutionException() throws Exception {

 *   <li>All threads generated must be joined inside each test case method (or {@code fail} to do
 *       so) before returning from the method. The {@code joinPool} method can be used to do this
 *       when using Executors.
 * </ol>
 *
 * <p><b>Other notes</b>
 *
 * <ul>
 *   <li>Usually, there is one testcase method per JSR166 method covering "normal" operation, and

    }
    try {
      closingFuture.finishToValueAndCloser(new NoOpValueAndCloserConsumer<>(), executor);
      fail();
    } catch (IllegalStateException expected) {
    }
  }

  // Avoid infinite recursion if a closeable's close() method throws RejectedExecutionException and
  // is closed using the direct executor.
  public void testCloseThrowsRejectedExecutionException() throws Exception {

const (
	maxConcurrencyPerForward = 20
)

type executor struct {
	totalRequests  *atomic.Uint64
	activeRequests *atomic.Uint64
	stopCh         chan struct{}
}

func newExecutor() *executor {
	e := &executor{
		totalRequests:  atomic.NewUint64(0),
		activeRequests: atomic.NewUint64(0),
		stopCh:         make(chan struct{}),
	}

	return e
}

func (e *executor) ActiveRequests() uint64 {