}

    @Override
    public V load(K key) {
      return constant;
    }
  }

  /**
   * Returns a {@code new Object()} for every request, and increments a counter for every request.
   * An {@code Integer} loader that returns the key for {@code load} requests, and increments the
   * old value on {@code reload} requests. The load counts are accessible via {@link #getLoadCount}

    /** Cleanup collected entries when the lock is available. */
    void tryDrainReferenceQueues() {
      if (tryLock()) {
        try {
          maybeDrainReferenceQueues();
        } finally {
          unlock();
        }
      }
    }

    @GuardedBy("this")
    void drainKeyReferenceQueue(ReferenceQueue<K> keyReferenceQueue) {
      Reference<? extends K> ref;
      int i = 0;

            // release the lock in the reverse order of the acquisition
            if (acquiredProjectLock != null) {
                acquiredProjectLock.unlock();
            }
            if (acquiredAggregatorLock != null) {
                acquiredAggregatorLock.unlock();
            }
            mojos.remove(Thread.currentThread());
        }

        private OwnerReentrantLock getProjectLock(MavenSession session) {

     *
     * @param  id identifier of the remote repository to create
     * @param  url location of the remote repository
     * @return remote repository that can be used to download or upload artifacts
     *
     * @see org.apache.maven.api.services.RepositoryFactory#createRemote(String, String)
     */
    @Nonnull
    RemoteRepository createRemoteRepository(@Nonnull String id, @Nonnull String url);

    GcFinalization.awaitClear(garbage);
    Lock writeLock = striped.get(key).writeLock();
    readLock.lock();
    assertFalse(writeLock.tryLock());
    readLock.unlock();
  }

  @AndroidIncompatible // Presumably GC doesn't trigger, despite our efforts.
  public void testStrongImplementations() {
    for (Striped<?> striped : strongImplementations()) {

    assertNotSame(frqC, sepFrqC);
    // Check the assumptions above.

    // FRQ tries to load the Finalizer class (for the reference-collecting thread) in a few ways.
    // If the class is accessible to the system ClassLoader (ClassLoader.getSystemClassLoader())
    // then FRQ does not bother to load Finalizer.class through a separate ClassLoader. That happens

        try (KuromojiUpdater updater = new KuromojiUpdater(item)) {
            reload(updater);
        }
    }

    protected void reload(final KuromojiUpdater updater) {
        try (CurlResponse curlResponse = dictionaryManager.getContentResponse(this)) {
            reload(updater, curlResponse.getContentAsStream());
        } catch (final IOException e) {

        try (SynonymUpdater updater = new SynonymUpdater(item)) {
            reload(updater);
        }
    }

    protected void reload(final SynonymUpdater updater) {
        try (CurlResponse curlResponse = dictionaryManager.getContentResponse(this)) {
            reload(updater, curlResponse.getContentAsStream());
        } catch (final IOException e) {

        try (MappingUpdater updater = new MappingUpdater(item)) {
            reload(updater);
        }
    }

    protected void reload(final MappingUpdater updater) {
        try (CurlResponse curlResponse = dictionaryManager.getContentResponse(this)) {
            reload(updater, curlResponse.getContentAsStream());
        } catch (final IOException e) {

        return asJson(new ApiResult.ApiUpdateResponse().id(String.valueOf(id)).created(false).status(ApiResult.Status.OK).result());
    }

    // POST /api/admin/dict/stopwords/upload/{dictId}
    @Execute
    public JsonResponse<ApiResult> post$upload(final String dictId, final UploadForm form) {
        form.dictId = dictId;
        validateApi(form, messages -> {});