requireNonNull(runningTask);
      requireNonNull(executorService);
      runningTask.cancel(false);
      executorService.execute(
          () -> {
            try {
              lock.lock();
              try {
                if (state() != State.STOPPING) {
                  // This means that the state has changed since we were scheduled. This implies

    val result = mutableListOf<String>()
    for (path in fileSystem.list(testCaseDirectory)) {
      val story00 = path / "story_00.json"
      if (!fileSystem.exists(story00)) continue
      try {
        readStory(story00)
        result.add(path.name)
      } catch (ignored: IOException) {
        // Skip this path.
      }
    }
    return result.toTypedArray<String>()
  }

  /**

            throws ArtifactMetadataRetrievalException {
        Set<Artifact> dependencies = new HashSet<>();

        if ("g".equals(artifact.getArtifactId())) {
            Artifact a = null;
            try {
                a = factory.createBuildArtifact("org.apache.maven", "h", "1.0", "jar");
                dependencies.add(a);
            } catch (Exception e) {

        List<ArtifactRepository> pomRepositories = new ArrayList<>();
        for (Repository modelRepository : model.getRepositories()) {
            try {
                pomRepositories.add(MavenRepositorySystem.buildArtifactRepository(modelRepository));
            } catch (InvalidRepositoryException e) {
                // cannot use this then
            }
        }

    for (String testName : testNames) {
      try {
        testClass.getMethod(testName);
        return true;
      } catch (NoSuchMethodException e) {
        continue;
      }
    }
    return false;
  }

  private static boolean isEqualsDefined(Class<?> cls) {
    try {
      return !cls.getDeclaredMethod("equals", Object.class).isSynthetic();

    assertEquals("Hashing.sha512()", Hashing.sha512().toString());
  }

  private static void assertMessageDigestHashing(byte[] input, String algorithmName) {
    try {
      MessageDigest digest = MessageDigest.getInstance(algorithmName);
      assertEquals(
          HashCode.fromBytes(digest.digest(input)), ALGORITHMS.get(algorithmName).hashBytes(input));

    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

    assertContainsExpectedBytes();
  }

  public void testOpenBufferedStream() throws IOException {
    OutputStream out = sink.openBufferedStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {

    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

    assertContainsExpectedBytes();
  }

  public void testOpenBufferedStream() throws IOException {
    OutputStream out = sink.openBufferedStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {

  @IgnoreJRERequirement
  static long toNanosSaturated(Duration duration) {
    // Using a try/catch seems lazy, but the catch block will rarely get invoked (except for
    // durations longer than approximately +/- 292 years).
    try {
      return duration.toNanos();
    } catch (ArithmeticException tooBig) {
      return duration.isNegative() ? Long.MIN_VALUE : Long.MAX_VALUE;
    }

        :param name: Name for XML data. Used in XML errors.
        :param data: string data to be parsed.
        :return: Returns an STSElement.
        """
        try:
            return cls(root_name, cElementTree.fromstring(data))
        except _ETREE_EXCEPTIONS as error:
            raise InvalidXMLError(
                '"{}" XML is not parsable. Message: {}'.format(