Thread.sleep(5); // Small delay to ensure different timestamps
            Smb2LeaseKey key2 = limitedManager.requestLease("/share/file2.txt", Smb2LeaseState.SMB2_LEASE_READ_CACHING);
            Thread.sleep(5); // Small delay to ensure different timestamps

    var ms = nanos / 1_000_000L
    val ns = nanos - (ms * 1_000_000L)

    while (ms > 100) {
      Thread.sleep(100)
      if (javaNetSocket.isClosed) throw InterruptedIOException("socket closed")
      ms -= 100L
    }

    if (ms > 0L || ns > 0) {
      Thread.sleep(ms, ns.toInt())
    }
  }

  override fun cancel() {
    delegate.cancel()
  }

  override fun close() {

    public void testSwitchIndex_unexpectedUpdateIndicesCount() throws Exception {
        final Suggester suggester = Suggester.builder().build(client, "switch-test");
        suggester.createIndexIfNothing();
        Thread.sleep(50);

        // Create additional update index (making 2 total)
        final String updateAlias = suggester.getIndex() + ".update";
        final String extraIndexName = suggester.getIndex() + ".extra";

        // for technical reasons we cannot throw here, even if delegate does cancel transfer
        listener.transferInitiated(event(session, resource, TransferEvent.EventType.INITIATED));

        Thread.sleep(500); // to make sure queue is processed, cancellation applied

        // subsequent call will cancel
        assertThrows(
                TransferCancelledException.class,

    try {
      for (i in 1..2) {
        // Space out traffic to make it easier to demarcate.
        sendTestRequest(fbRequest)
        Thread.sleep(1000)
        sendTestRequest(twitterRequest)
        Thread.sleep(1000)
        sendTestRequest(googleRequest)
        Thread.sleep(2000)
      }
    } finally {
      client.connectionPool.evictAll()
      client.dispatcher.executorService.shutdownNow()

            // for technical reasons we cannot throw here, even if delegate does cancel transfer
            listener.transferInitiated(event(session, resource, TransferEvent.EventType.INITIATED));

            Thread.sleep(500); // to make sure queue is processed, cancellation applied

            // subsequent call will cancel
            assertThrows(
                    TransferCancelledException.class,

        // Open the circuit
        circuitBreaker.tripBreaker();
        assertEquals(SimpleCircuitBreaker.State.OPEN, circuitBreaker.getState());

        // Wait for timeout
        Thread.sleep(150);

        // Next call should transition to HALF_OPEN
        String result = circuitBreaker.call(() -> "success");
        assertEquals("success", result);

        .Builder()
        .url(server.url("/"))
        .build()
    val call = client.newCall(request)
    call.timeout().timeout(250, TimeUnit.MILLISECONDS)
    val response = call.execute()
    Thread.sleep(500)
    assertFailsWith<IOException> {
      response.body.source().readUtf8()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("timeout")
      assertThat(call.isCanceled()).isTrue()
    }

		panic("Failed to acquire read lock")
	}
	// fmt.Println("2nd read lock acquired, waiting...")

	go func() {
		time.Sleep(2 * time.Second)
		lrwm.RUnlock()
		// fmt.Println("1st read lock released, waiting...")
	}()

	go func() {
		time.Sleep(3 * time.Second)
		lrwm.RUnlock()
		// fmt.Println("2nd read lock released, waiting...")
	}()

	}

	lc.Add("key1", "val1")

	time.Sleep(100 * time.Millisecond) // not enough to expire
	if lc.Len() != 1 {
		t.Fatalf("length differs from expected")
	}

	v, ok = lc.Get("key1")
	if v != "val1" {
		t.Fatalf("value differs from expected")
	}
	if !ok {
		t.Fatalf("should be true")
	}

	time.Sleep(200 * time.Millisecond) // expire
	v, ok = lc.Get("key1")
	if ok {