c.mu.Lock()
	bucketIdx := c.nextCleanupBucket
	timeToExpire := time.Until(c.buckets[bucketIdx].newestEntry)
	// wait for newest entry to expire before cleanup without holding lock
	if timeToExpire > 0 {
		c.mu.Unlock()
		time.Sleep(timeToExpire)
		c.mu.Lock()
	}
	for _, ent := range c.buckets[bucketIdx].entries {
		c.removeElement(ent)
	}
	c.nextCleanupBucket = (c.nextCleanupBucket + 1) % numBuckets

 * test with reference to the same "lock-like object", and then their interactions with that object
 * are choreographed via the various methods on this class.
 *
 * <p>A "lock-like object" is really any object that may be used for concurrency control. If the
 * {@link #callAndAssertBlocks} method is ever called in a test, the lock-like object must have a

   *
   * Lock lockA = factory1.newReentrantLock(MyLockOrder.FIRST);
   * Lock lockB = factory1.newReentrantLock(MyLockOrder.FIRST);
   * Lock lockC = factory2.newReentrantLock(MyLockOrder.FIRST);
   *
   * lockA.lock();
   *
   * lockB.lock(); // will throw an IllegalStateException
   * lockC.lock(); // will throw an IllegalStateException
   *
   * lockA.lock(); // reentrant acquisition is okay
   * }

    }

    static TestCondition create() {
      Lock lock = new ReentrantLock();
      Condition condition = lock.newCondition();
      return new TestCondition(lock, condition);
    }

    @Override
    public void await() throws InterruptedException {
      lock.lock();
      try {
        condition.await();
      } finally {
        lock.unlock();
      }
    }

    @Override

    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();
      }
    }

    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();
      }
    }

a[data-external-link]:not(:has(img)):not(.no-link-icon):not(.announce-link) {
  /* For right to left languages */
  direction: ltr;
  display: inline-block;
}

a[data-external-link]:not(:has(img)):not(.no-link-icon):not(.announce-link)::after {
  content: "";
  display: inline-block;
  width: 0.75em;
  height: 0.75em;
  margin-left: 0.25em;
  vertical-align: middle;
  opacity: 0.55;
  background: currentColor;

    }

    static TestCondition create() {
      Lock lock = new ReentrantLock();
      Condition condition = lock.newCondition();
      return new TestCondition(lock, condition);
    }

    @Override
    public void await() throws InterruptedException {
      lock.lock();
      try {
        condition.await();
      } finally {
        lock.unlock();
      }
    }

    @Override

def replace_multiline_code_block(
    block_a: MultilineCodeBlockInfo, block_b: MultilineCodeBlockInfo
) -> list[str]:
    """
    Replace multiline code block `a` with block `b` leaving comments intact.

    Syntax of comments depends on the language of the code block.
    Raises ValueError if the blocks are not compatible (different languages or different number of lines).
    """

    start_line = block_a["start_line_no"]

    }

    /**
     * Internal method to acquire a distributed lock with retry control.
     *
     * @param operationName the operation name used as the lock document ID.
     * @param data optional data to store with the operation document.
     * @param remainingRetries the number of remaining retry attempts for stale lock cleanup.
     * @return {@code true} if the lock was acquired.
     */