*   <li>The state of the RateLimiter (storedPermits) is a vertical line in this figure.
   *   <li>When the RateLimiter is not used, this goes right (up to maxPermits)
   *   <li>When the RateLimiter is used, this goes left (down to zero), since if we have
   *       storedPermits, we serve from those first
   *   <li>When _unused_, we go right at a constant rate! The rate at which we move to the right is

   * a {@link MoveDesc}. The first one is the element that was previously at the end of the heap and
   * is now at some position before {@code index}. The second element is the one that was swapped
   * down to replace the element at {@code index}. This fact is used by iterator.remove so as to
   * visit elements during a traversal once and only once.
   */
  @CanIgnoreReturnValue

  inner class FramingSource internal constructor(
    /** Maximum number of bytes to buffer before reporting a flow control error. */
    private val maxByteCount: Long,
    /**
     * True if either side has cleanly shut down this stream. We will receive no more bytes beyond
     * those already in the buffer.
     */
    internal var finished: Boolean,
  ) : Source {

-socks:before{content:"\f696"}.fa-solar-panel:before{content:"\f5ba"}.fa-sort:before{content:"\f0dc"}.fa-sort-alpha-down:before{content:"\f15d"}.fa-sort-alpha-down-alt:before{content:"\f881"}.fa-sort-alpha-up:before{content:"\f15e"}.fa-sort-alpha-up-alt:before{content:"\f882"}.fa-sort-amount-down:before{content:"\f160"}.fa-sort-amount-down-alt:before{content:"\f884"}.fa-sort-amount-up:before{content:"\f161"}.fa-sort-amount-up-alt:before{content:"\f885"}.fa-sort-down:before{content:"\f0dd"}.fa-so...

       * finalizable references could be enqueued subsequently (at which point the class loader
       * would be resurrected by virtue of us having a strong reference to it), we should pretty
       * much just shut down and make sure we don't keep it alive any longer than necessary.
       */
      return null;
    }
    try {
      return finalizableReferenceClass.getMethod("finalizeReferent");

    val handshake = makeRequest(client)

    assertThat(handshake.cipherSuite).isIn(*expectedModernTls13CipherSuites.toTypedArray())

    // TODO: filter down to TLSv1.3 when only activated.
    // Probably something like
    // TLS_AES_128_GCM_SHA256
    // TLS_AES_256_GCM_SHA384
    // TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
    // TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256

        // Grab the original rest resources locations so we can omit them from the compatibility testing classpath down below
        Provider<Directory> originalYamlSpecsDir = project.getTasks()
            .withType(CopyRestApiTask.class)
            .named(RestResourcesPlugin.COPY_REST_API_SPECS_TASK)

                log.debug("Created and stored new handle for path: {}", path);
            }
        } finally {
            lock.writeLock().unlock();
        }
    }

    /**
     * Shuts down the persistent handle manager and its background tasks
     */
    public void shutdown() {
        shutdown = true;
        scheduler.shutdown();
    }

	bufferPool  bpool.Pool[[]byte]        // pool of []byte objects for input
	kvDstPool   bpool.Pool[[]jstream.KVS] // pool of []jstream.KVS used for output
	close       chan struct{}             // used for shutting down the splitter before end of stream
	readerWg    sync.WaitGroup            // used to keep track of async reader.
}

// queueItem is an item in the queue.
type queueItem struct {

        try {
            cleanupScheduler.awaitTermination(5, TimeUnit.SECONDS);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            log.warn("Interrupted while shutting down cleanup scheduler", e);
        }

        log.info("Authentication rate limiter closed");
    }

    /**
     * Per-account attempt tracking
     */
    private static class AccountAttempts {