public @Nullable Void call() throws InterruptedException {
      running = true;
      startLatch.countDown();
      stopLatch.await();
      running = false;
      return null;
    }

    void waitForStart() throws InterruptedException {
      startLatch.await();
    }

    void stop() {
      stopLatch.countDown();
    }

    boolean isRunning() {
      return running;
    }
  }

      }

      synchronized(this) {
        this.bytes = publicSuffixListBytes!!
        this.exceptionBytes = publicSuffixExceptionListBytes!!
      }
    } finally {
      readCompleteLatch.countDown()
    }
  }

  abstract fun listSource(): Source

  override fun ensureLoaded() {
    if (!listRead.get() && listRead.compareAndSet(false, true)) {
      readTheListUninterruptibly()
    } else {

	}
}

type countdown int

func (c *countdown) split(data []byte, atEOF bool) (advance int, token []byte, err error) {
	if *c > 0 {
		*c--
		return 1, data[:1], nil
	}
	return 0, nil, nil
}

// Check that the looping-at-EOF check doesn't trigger for merely empty tokens.
func TestEmptyLinesOK(t *testing.T) {
	c := countdown(10000)

          response: Response,
        ) {
          bodies.add(response.body.string())
          latch.countDown()
        }

        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          errors.add(e)
          latch.countDown()
        }
      }
    client.newCall(Request.Builder().url(server.url("/")).build()).enqueue(
      callback,

          @Override
          public void failure(Service service) {
            failEnter.countDown();
            // block until after the service manager is shutdown
            Uninterruptibles.awaitUninterruptibly(failLeave);
          }
        },
        directExecutor());
    manager.startAsync();
    afterStarted.countDown();
    // We do not call awaitHealthy because, due to races, that method may throw an exception.  But

  }

  @Override
  void cancelFinalStepAndWait(ClosingFuture<TestCloseable> closingFuture) {
    assertThat(closingFuture.finishToFuture().cancel(false)).isTrue();
    waitUntilClosed(closingFuture);
    futureCancelled.countDown();
  }

    final Lock lock;

    LockingThread(Lock lock) {
      this.lock = lock;
    }

    @Override
    public void run() {
      lock.lock();
      try {
        locked.countDown();
        finishLatch.await(1, MINUTES);
      } catch (InterruptedException e) {
        fail(e.toString());
      } finally {
        lock.unlock();
      }
    }

    }

    @Override
    public @Nullable Void call() throws InterruptedException {
      try {
        beganProducing.countDown();
        for (int i = 0; i < elements; i++) {
          q.put(new Object());
        }
        return null;
      } finally {
        doneProducing.countDown();
      }
    }
  }

  private static class Interrupter implements Runnable {
    final Thread threadToInterrupt;

          throw new RuntimeException(e);
        }
        doneSignal.countDown();
      }
    }.start();

    try {
      computingSignal.await();
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }

    map.put(one, two);
    assertThat(map.get(one)).isSameInstanceAs(two);
    startSignal.countDown();

    try {
      doneSignal.await();

          throw new RuntimeException(e);
        }
        doneSignal.countDown();
      }
    }.start();

    try {
      computingSignal.await();
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }

    map.put(one, two);
    assertThat(map.get(one)).isSameInstanceAs(two);
    startSignal.countDown();

    try {
      doneSignal.await();