public static Joiner on(String separator) {
    return new Joiner(separator);
  }

  /** Returns a joiner which automatically places {@code separator} between consecutive elements. */
  public static Joiner on(char separator) {
    return new Joiner(String.valueOf(separator));
  }

  private final String separator;

  private Joiner(String separator) {

  public void testForEachKnownOrder() {
    List<Entry<K, V>> entries = new ArrayList<>();
    getMap().forEach((k, v) -> entries.add(entry(k, v)));
    assertEquals(getOrderedElements(), entries);
  }

  @CollectionFeature.Require(absent = KNOWN_ORDER)
  public void testForEachUnknownOrder() {
    List<Entry<K, V>> entries = new ArrayList<>();
    getMap().forEach((k, v) -> entries.add(entry(k, v)));

  // tweak this to control hit rate
  @Param("2.5")
  double concentration;

  Random random = new Random();

  LoadingCache<Integer, Integer> cache;

  int max;

  static AtomicLong requests = new AtomicLong(0);
  static AtomicLong misses = new AtomicLong(0);

  @BeforeExperiment
  void setUp() {
    // random integers will be generated in this range, then raised to the

            AvPairs.replace(serverAvPairs, new AvFlags(curFlags));
        }

        AvPairs.replace(serverAvPairs, new AvTimestamp(ts));

        if (targetName != null) {
            AvPairs.replace(serverAvPairs, new AvTargetName(targetName));
        }

        // possibly add channel bindings
        AvPairs.replace(serverAvPairs, new AvPair(0xa, new byte[16]));

            }

            ClasspathContainer cpc = new ClasspathContainer(scope);
            if (cleanGraph.isEmptyEdges()) {
                // single entry in the classpath, populated from itself
                ArtifactMetadata amd = cleanGraph.getEntry().getMd();
                cpc.add(amd);
            } else {
                ClasspathGraphVisitor v = new ClasspathGraphVisitor(cleanGraph, cpc);

        artifacts {
          restSpecs(new File(projectDir, "src/main/resources/rest-api-spec/api"))
          restTests(new File(projectDir, "src/yamlRestTest/resources/rest-api-spec/test"))
        }
        """

        addSubProject(":x-pack:plugin") << """
        configurations { restXpackSpecs\nrestXpackTests }
        artifacts {
          restXpackTests(new File(projectDir, "src/yamlRestTest/resources/rest-api-spec/test"))

  final TestCloseable closeable1 = new TestCloseable("closeable1");
  final TestCloseable closeable2 = new TestCloseable("closeable2");
  final TestCloseable closeable3 = new TestCloseable("closeable3");
  final TestCloseable closeable4 = new TestCloseable("closeable4");

  final Waiter waiter = new Waiter();
  final CountDownLatch futureCancelled = new CountDownLatch(1);
  final Exception exception = new Exception();

    @BeforeEach
    void setUp() {
        mockConfig = mock(Configuration.class);
        response = new Smb2ChangeNotifyResponse(mockConfig);
    }

    @Test
    @DisplayName("Should create response with configuration")
    void testConstructorWithConfiguration() {
        // Given & When
        Smb2ChangeNotifyResponse resp = new Smb2ChangeNotifyResponse(mockConfig);

        // Then
        assertNotNull(resp);

        List<LifecycleProvider> p = new ArrayList<>(providers);
        p.add(() -> List.of(new CleanLifecycle(), new DefaultLifecycle(), new SiteLifecycle()));
        this.providers = p;
        // validate lifecycle
        for (Lifecycle lifecycle : this) {
            Set<String> set = new HashSet<>();
            lifecycle.allPhases().forEach(phase -> {

    private Configuration cfgMock;

    @BeforeEach
    public void setUp() {
        // create a mock configuration that satisfies constructor requirements.
        cfgMock = mock(Configuration.class);
        resp = new SmbComWriteResponse(cfgMock);
    }

    @Test
    public void testInitialCountIsZero() {
        assertEquals(0, resp.getCount(), "Initial count should be zero");
    }

    @Test