KeyPairGenerator.getInstance(keyAlgorithm).run {
        initialize(keySize, SecureRandom())
        generateKeyPair()
      }

    companion object {
      private const val DEFAULT_DURATION_MILLIS = 1000L * 60 * 60 * 24 // 24 hours.
    }
  }

  companion object {
    private val PEM_REGEX = Regex("""-----BEGIN ([!-,.-~ ]*)-----([^-]*)-----END \1-----""")

    /**

        assertTrue(memory1 >= 0);

        // Create some objects to change memory usage
        @SuppressWarnings("unused")
        String[] largeArray = new String[1000];
        for (int i = 0; i < 1000; i++) {
            largeArray[i] = "test" + i;
        }

        long memory2 = MemoryUtil.getUsedMemory();
        assertTrue(memory2 >= 0);

        nego.getServerData().serverTimeZone = 60; // 60 minutes
        nego.getServerData().oemDomainName = "DOMAIN";

        when(transport.getNegotiateResponse()).thenReturn(nego);

        assertEquals(60L * 1000L * 60L, handle.getServerTimeZoneOffset());
        assertEquals("DOMAIN", handle.getOEMDomainName());
        verify(session, times(2)).close();
        verify(transport, times(2)).close();
    }

    @Test

        final long current =
                1000 * systemHelper.getCurrentTimeAsLocalDateTime().atZone(ZoneId.systemDefault()).toInstant().getEpochSecond();
        final long now = System.currentTimeMillis();
        assertTrue(now + ">=" + current + " : " + (now - current), now >= current);
        assertTrue(now - 1000 + "<" + current + " : " + (current - now + 1000), now - 1000 < current);
    }

            int chunkCount = 50;
            SrvCopychunk[] chunks = new SrvCopychunk[chunkCount];

            for (int i = 0; i < chunkCount; i++) {
                chunks[i] = new SrvCopychunk(i * 1000L, i * 2000L, i * 100);
            }

            SrvCopychunkCopy copy = new SrvCopychunkCopy(sourceKey, chunks);
            byte[] buffer = new byte[HEADER_SIZE + (chunkCount * CHUNK_SIZE)];

            // When

     */
    protected int thumbnailTaskQueueSize = 10000;

    /**
     * Number of tasks to process in bulk operations.
     */
    protected int thumbnailTaskBulkSize = 100;

    /**
     * Timeout in milliseconds for thumbnail task queue operations.
     */
    protected long thumbnailTaskQueueTimeout = 10 * 1000L;

    /**

        setValueToObject(ComponentUtil.getLabelTypeHelper(), "labelTypePatternList", new ArrayList<LabelTypePattern>());

        System.gc();
        Thread.sleep(1000L);
        long current = MemoryUtil.getUsedMemory();
        for (int i = 0; i < 10000; i++) {
            if (i % 1000 == 0) {
                logger.info("count:" + i + ", " + MemoryUtil.getMemoryUsageLog());
            }
            ResponseData responseData = new ResponseData();

        assertEquals(info1.toString(), info2.toString());
    }

    @Test
    @DisplayName("Test encode does not modify source object")
    void testEncodeImmutability() {
        long originalValue = 1000L;
        FileEndOfFileInformation info = new FileEndOfFileInformation(originalValue);

        // Get original toString
        String originalString = info.toString();

        // Encode

    }

    @Test
    @DisplayName("Test timeout validation")
    void testTimeoutValidation() {
        assertDoesNotThrow(() -> InputValidator.validateTimeout(1000L, "test"));
        assertDoesNotThrow(() -> InputValidator.validateTimeout(0L, "test"));
        assertDoesNotThrow(() -> InputValidator.validateTimeout(3600000L, "test"));

            if (response.getBody().jsonPath().getInt("response.status") == 0) {
                logger.info("Start scheduler \"{}\"", schedulerId);
                return;
            }
            ThreadUtil.sleep(1000L);
        }
        fail("could not start job.");
    }

    protected static void waitJob(final String namePrefix) {
        Boolean isRunning = false;
        int count = 0;