outputFuture.set(RESULT_DATA);
          break;
        case SLOW_OUTPUT_VALID_INPUT_DATA:
          break; // do nothing to the result
        case SLOW_FUNC_VALID_INPUT_DATA:
          funcIsWaitingLatch.countDown();
          awaitUninterruptibly(funcCompletionLatch);
          break;
        case EXCEPTION_DATA:
          throw EXCEPTION;
      }
      return outputFuture;
    }
  }

          outputFuture.set(RESULT_DATA);
          break;
        case SLOW_OUTPUT_VALID_INPUT_DATA:
          break; // do nothing to the result
        case SLOW_FUNC_VALID_INPUT_DATA:
          funcIsWaitingLatch.countDown();
          awaitUninterruptibly(funcCompletionLatch);
          break;
        case EXCEPTION_DATA:
          throw EXCEPTION;
      }
      return outputFuture;
    }
  }

              new Callable<@Nullable Void>() {
                @Override
                public @Nullable Void call() throws Exception {
                  startLatch.countDown();
                  startLatch.await();
                  callable.call();
                  doneLatch.countDown();
                  return null;
                }
              });
    }
    doneLatch.await();
  }

    val waiting = CountDownLatch(1)
    client =
      client
        .newBuilder()
        .addInterceptor(
          Interceptor { chain: Interceptor.Chain? ->
            try {
              ready.countDown()
              waiting.await()
            } catch (e: InterruptedException) {
              throw AssertionError()
            }
            throw IOException()
          },
        ).build()

        Thread thread = new Thread(myRunnable);
        thread.start();

        MavenSession m2 = new MavenSession(null, null, mavenExecutionRequest, null);
        defaultLegacySupport.setSession(m2);
        latch.countDown();
        thread.join();
        assertNull(myRunnable.getSession());
    }

    class MyRunnable implements Runnable {

        private volatile MavenSession session;

        @Override

          latch2.countDown()
        }
      }
    val request2Listener: EventListener =
      object : EventListener() {
        override fun connectStart(
          call: Call,
          inetSocketAddress: InetSocketAddress,
          proxy: Proxy,
        ) {
          // Let request1 proceed to make a connection.
          latch1.countDown()
          try {

    Object unused =
        new Object() {
          @SuppressWarnings({"removal", "Finalize"}) // b/260137033
          @Override
          protected void finalize() {
            latch.countDown();
          }
        };
    unused = null; // Hint to the JIT that unused is unreachable
    GcFinalization.await(latch);
    assertEquals(0, latch.getCount());
  }

  public void testAwaitDone_future() {

      arguments.add(Duration.ofMillis(timeout.millis));
    }
    try {
      Object result;
      doingCallLatch.countDown();
      try {
        result = method.invoke(monitor, arguments.toArray());
      } finally {
        callCompletedLatch.countDown();
      }
      if (result == null) {
        return Outcome.SUCCESS;
      } else if ((Boolean) result) {
        return Outcome.SUCCESS;

        if (executeCallbacks.size() > 0) {
            try {
                executeCallbacks.stream().forEach(callback -> callback.accept(response));
            } catch (final Exception ignore) {}
        }
        latch.countDown();
    }

    /**
     * Rejects the deferred computation with the given throwable.
     * @param t The throwable.
     */
    public void reject(final Throwable t) {

    endsFirst.join()
    // First response is still waiting.
    assertThat(firstResponseCode.get()).isEqualTo(0)
    // Second response is done.
    assertThat(secondResponseCode.get()).isEqualTo(200)
    latch.countDown()
    startsFirst.join()
    // And now it's done!
    assertThat(firstResponseCode.get()).isEqualTo(200)
    // (Still done).
    assertThat(secondResponseCode.get()).isEqualTo(200)
  }