/*
     * Since we can't loop inside awaitUninterruptibly(Condition, ...), the user is responsible for
     * calling us again in case of interrupt. Then, if we were to call await(...) immediately, as we
     * do in the other Uninterruptibles methods, it would throw immediately. Then we'd restore the
     * interrupt and return again, and the user would call us again, creating a busy wait.
     *

        }

        // Write a frame.
        val length = (end - start).toInt()
        outputStream.write(outBytes, start.toInt(), length)

        // If the last frame was truncated, immediately close the connection.
        if (truncated) {
          socket.close()
        }
      } else {
        // read a frame
        val inFrame = InFrame(i, reader)
        reader.nextFrame(false, inFrame)

    assertFalse(spy.wasExecuted);
    assertFalse(singleCallListener.wasCalled());
    assertTrue(listenableFuture.isDone()); // We call AbstractFuture#set above.

    // #addListener() will run the listener immediately because the Future is
    // already finished (we explicitly set the result of it above).
    listenableFuture.addListener(singleCallListener, directExecutor());
    assertThat(listenableFuture.get()).isEqualTo(DATA1);

     * simple approach would be for each caller CAS it from null to a Set populated with its
     * exception. But there's another race: If the first thread fails with an exception and a second
     * thread immediately fails with the same exception:
     *
     * Thread1: calls setException(), which returns true, context switch before it can CAS
     * seenExceptionsField to its exception
     *

    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);
    limiter.acquire(); // R0.00
    stopwatch.sleepMillis(200); // U0.20, we are ready for the next request...
    limiter.acquire(); // R0.00, ...which is granted immediately
    limiter.acquire(); // R0.20
    assertEvents("R0.00", "U0.20", "R0.00", "R0.20");
  }

  public void testSimpleAcquireReturnValues() {
    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);

    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);
    limiter.acquire(); // R0.00
    stopwatch.sleepMillis(200); // U0.20, we are ready for the next request...
    limiter.acquire(); // R0.00, ...which is granted immediately
    limiter.acquire(); // R0.20
    assertEvents("R0.00", "U0.20", "R0.00", "R0.20");
  }

  public void testSimpleAcquireReturnValues() {
    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);

        if (testDescriptor.isComposite()) {
            suite = testDescriptor;
        }

        // Hold on to any repro messages so we can report them immediately on test case failure
        if (outputEvent.getMessage().startsWith(REPRODUCE_WITH_PREFIX)) {
            Deque<String> lines = reproductionLines.computeIfAbsent(Descriptor.of(suite), d -> new LinkedList<>());

Since HTTP requests frequently happen in parallel, connection pooling must be thread-safe.

  }

  /**
   * Creates and returns a new builder, configured to build {@code MinMaxPriorityQueue} instances
   * that are limited to {@code maximumSize} elements. Each time a queue grows beyond this bound, it
   * immediately removes its greatest element (according to its comparator), which might be the
   * element that was just added.
   */
  @SuppressWarnings("rawtypes") // https://github.com/google/guava/issues/989

 * semantics as the built-in Java language synchronization primitives.
 *
 * <p>A call to any of the <i>enter</i> methods with <b>void</b> return type should always be
 * followed immediately by a <i>try/finally</i> block to ensure that the current thread leaves the
 * monitor cleanly:
 *
 * {@snippet :
 * monitor.enter();
 * try {
 *   // do things while occupying the monitor
 * } finally {