logger.debug("Failed to create operation document: operation={}", operationName, e);
        }

        if (remainingRetries <= 0) {
            if (logger.isDebugEnabled()) {
                logger.debug("No remaining retries for operation lock: operation={}", operationName);
            }
            return false;
        }

        // Document already exists - check if it's stale

   * signatures as the methods below, rather than overriding the same doForward and doBackward
   * methods as implementations of normal converters do?
   *
   * But no matter what we do, it's worth remembering that the resulting code is going to be unsound
   * in the presence of LegacyConverter, at least in the case of users who view the converter as a

    executionThread.join();

    assertTrue(service.shutDownCalled);
    assertEquals(Service.State.TERMINATED, service.state());

    service.stopAsync().awaitTerminated(); // no-op
    assertEquals(Service.State.TERMINATED, service.state());
    assertTrue(service.shutDownCalled);
  }

  private class WaitOnRunService extends AbstractExecutionThreadService {

            ex0 = ex; // Defer to below where we're locked
            return;
        } finally {
            synchronized (run_thread) {
                if (run_thread != thread) {
                    /* Thread no longer the one setup for this transport --
                     * doConnect returned too late, just ignore.
                     */
                    if ((ex0 != null) && (LogStream.level >= 2)) {

  private val messageAndCloseQueue = ArrayDeque<Any>()

  /** The total size in bytes of enqueued but not yet transmitted messages. */
  private var queueSize = 0L

  /** True if we've enqueued a close frame. No further message frames will be enqueued. */
  private var enqueuedClose = false

  /** The close code from the peer, or -1 if this web socket has not yet read a close frame. */
  private var receivedCloseCode = -1

 */
public final class IpAddressUtil {

    /**
     * Private constructor to prevent instantiation of utility class.
     */
    private IpAddressUtil() {
        // Utility class - no instances allowed
    }

    /**
     * Determines if the given address string represents an IPv6 address.
     * This method validates the address using InetAddress to ensure it's a valid IPv6 address.
     *

 * hexadecimal string representation for debugging purposes.
 */

public class Hexdump {

    /**
     * Default constructor.
     */
    public Hexdump() {
        // Utility class - no instance variables to initialize
    }

    private static final String NL = System.lineSeparator();
    private static final int NL_LENGTH = NL.length();

    private static final char[] SPACE_CHARS =

  }

  private CacheBuilderFactory cacheFactory() {
    // This is trickier than expected. We plan to put 15 values in each of these (WARMUP_MIN to
    // WARMUP_MAX), but the tests assume no values get evicted. Even with a maximumSize of 100, one
    // of the values gets evicted. With weak keys, we use identity equality, which means using

                }
            }).start();
        }

        latch.await();

        assertEquals("All threads should succeed", threadCount, successCount.get());
        assertEquals("No threads should have errors", 0, errorCount.get());
    }

    @Test
    public void test_writeThreadDump_withSpecialCharacters() throws IOException {
        // Test with file path containing special characters

        int expectedSize = 14 + pipeName.getBytes(StandardCharsets.UTF_16LE).length;
        assertEquals(expectedSize, request.size());
    }

    @Test
    @DisplayName("Test encode with name only (no timeout specified)")
    void testEncodeWithNameOnly() {
        // Setup
        String pipeName = "TestPipe";
        FsctlPipeWaitRequest request = new FsctlPipeWaitRequest(pipeName);