@ArgumentsSource(FileSystemParamProvider::class)
  fun isClosed_uninitializedCache(parameters: Pair<FileSystem, Boolean>) {
    setUp(parameters.first, parameters.second)
    // Create an uninitialized cache.
    cache =
      DiskLruCache(filesystem, cacheDir, appVersion, 2, Int.MAX_VALUE.toLong(), taskRunner).also {
        toClose.add(it)
      }
    assertThat(cache.isClosed()).isFalse()
    cache.close()

  static void assertClosed(TestCloseable closeable1, TestCloseable... moreCloseables)
      throws IOException {
    for (TestCloseable closeable : asList(closeable1, moreCloseables)) {
      assertWithMessage("%s.isClosed()", closeable).that(closeable.awaitClosed()).isTrue();
    }
  }

  private ClosingFuture<Object> failedClosingFuture() {
    return ClosingFuture.from(immediateFailedFuture(exception));
  }

  static void assertClosed(TestCloseable closeable1, TestCloseable... moreCloseables)
      throws IOException {
    for (TestCloseable closeable : asList(closeable1, moreCloseables)) {
      assertWithMessage("%s.isClosed()", closeable).that(closeable.awaitClosed()).isTrue();
    }
  }

  private ClosingFuture<Object> failedClosingFuture() {
    return ClosingFuture.from(immediateFailedFuture(exception));
  }

	public final fun directoryPath ()Lokio/Path;
	public final fun evictAll ()V
	public fun flush ()V
	public final fun hitCount ()I
	public final fun initialize ()V
	public final fun isClosed ()Z
	public static final fun key (Lokhttp3/HttpUrl;)Ljava/lang/String;
	public final fun maxSize ()J
	public final fun networkCount ()I
	public final fun requestCount ()I
	public final fun size ()J