public void testSetFuture_stackOverflow() {
    SettableFuture<String> orig = SettableFuture.create();
    SettableFuture<String> prev = orig;
    for (int i = 0; i < 100000; i++) {
      SettableFuture<String> curr = SettableFuture.create();
      prev.setFuture(curr);
      prev = curr;
    }
    // prev represents the 'innermost' future
    prev.set("done");

          double z = aa.updateAndGet(i, value -> value - y);
          assertBitEquals(x - y, z);
          assertBitEquals(x - y, aa.get(i));
        }
      }
    }
  }

  static final long COUNTDOWN = 100000;

  class Counter extends CheckedRunnable {
    final AtomicDoubleArray aa;
    volatile long counts;

    Counter(AtomicDoubleArray a) {
      aa = a;
    }

            // Given - disk with no free space
            ByteBuffer buffer = ByteBuffer.allocate(24);
            buffer.order(ByteOrder.LITTLE_ENDIAN);
            buffer.putLong(1000000L);
            buffer.putLong(0L);
            buffer.putInt(8);
            buffer.putInt(512);

            // When
            fileFsSizeInfo.decode(buffer.array(), 0, 24);

            // Then

        final Properties p = new Properties();
        /*
         * Set jcifs properties we know we want; soTimeout and cachePolicy to 30min.
         */
        p.setProperty("jcifs.smb.client.soTimeout", "1800000");
        p.setProperty("jcifs.netbios.cachePolicy", "1200");
        /*
         * The Filter can only work with NTLMv1 as it uses a man-in-the-middle

            processor.setSearcher(new TestSearcher(100));
            processor.init();

            final List<Map<String, Object>> results =
                    processor.search("*", new TestSearchRequestParams(0, 10000, 0), OptionalThing.empty());
            assertNotNull(results);
            // Should return only available documents
            assertEquals(100, results.size());
        }
    }

    /**

        // Verify O(1) performance - should be reasonably fast (allowing for JVM overhead)
        assertTrue(avgAllocTimeNs < 10000, "Average allocation should be under 10000ns (O(1) performance)");
        assertTrue(avgReleaseTimeNs < 10000, "Average release should be under 10000ns (O(1) performance)");
        assertEquals(threadCount * operationsPerThread, allocations.get());

        final long createdTime = ((Number) body.get("createdTime")).longValue();
        final long expiredTime = ((Number) body.get("expiredTime")).longValue();
        // event TTL = 600000
        assertEquals(600000L, expiredTime - createdTime);
    }

    @Test
    public void test_tryStartOperation_usesConfigTtl() {
        setupMockFessConfig();

    void testValidBufferSize() {
        assertDoesNotThrow(() -> InputValidator.validateBufferSize(100, 1000, "test"));
        assertDoesNotThrow(() -> InputValidator.validateBufferSize(0, 1000, "test"));
        assertDoesNotThrow(() -> InputValidator.validateBufferSize(1000, 1000, "test"));
    }

    @Test
    @DisplayName("Test invalid buffer size validation")
    void testInvalidBufferSize() {

            // Given - disk with no free space
            ByteBuffer buffer = ByteBuffer.allocate(32);
            buffer.order(ByteOrder.LITTLE_ENDIAN);
            buffer.putLong(1000000L);
            buffer.putLong(0L);
            buffer.putLong(0L);
            buffer.putInt(8);
            buffer.putInt(512);

            // When

	queueDirComment   = `staging dir for undelivered messages e.g. '/home/events'`
	queueLimitComment = `maximum limit for undelivered messages, defaults to '100000'`
)

// Help template inputs for all notification targets
var (
	HelpWebhook = config.HelpKVS{
		config.HelpKV{
			Key:         target.WebhookEndpoint,