* TODO(cpovirk): Clear interrupt status here? We currently don't, which means that an interrupt
     * before, during, or after runInterruptibly() (unless it produced an InterruptedException
     * caught above) can linger and affect listeners.
     */
  }

  /**
   * Called before runInterruptibly - if true, runInterruptibly and afterRanInterruptibly will not
   * be called.
   */
  abstract boolean isDone();

  /**

  /**
   * Creates the permissions normally used for Windows filesystems, looking up the user afresh, even
   * if previous calls have initialized the {@code PermissionSupplier} fields.
   *
   * <p>This lets us test the effects of different values of the {@code user.name} system property
   * without needing a separate VM or classloader.
   */
  @IgnoreJRERequirement // used only when Path is available (and only from tests)
  @VisibleForTesting

  private fun handleSocketEffect(
    effect: SocketEffect?,
    socket: MockWebServerSocket,
    stream: Http2Stream? = null,
  ): Boolean {
    if (effect == null) return false

    when (effect) {
      is CloseStream -> {
        if (stream != null) {
          stream.close(ErrorCode.fromHttp2(effect.http2ErrorCode)!!, null)
        } else {
          socket.close()
        }

            log.error("Failed to reset SingletonContext instance", e);
            fail("Failed to reset SingletonContext instance: " + e.getMessage());
        }
        // Clear system properties that might affect the test
        System.clearProperty("jcifs.properties");
        System.clearProperty("java.protocol.handler.pkgs");
        // Clear jcifs-specific properties to prevent test interference

        assertEquals(10, derivedBuffer.index);
        assertSame(ndrBuffer.deferred, derivedBuffer.deferred); // Deferred should be the same as original

        // Ensure changes to derived buffer don't affect original's index/start
        derivedBuffer.advance(5);
        assertEquals(15, derivedBuffer.index);
        assertEquals(50, ndrBuffer.index); // Original index should be unchanged
    }

    @Test

    interface EnumConsumer {
        void accept(RequestParam rp);
    }

    @Mock
    EnumConsumer consumer;

    @Test
    @DisplayName("Enum value can be passed to collaborators without side effects")
    void enumUsedWithCollaboratorHasNoSideEffects() {
        // Arrange: pick a value and a mocked consumer
        RequestParam rp = RequestParam.NO_RETRY;

        // Act: pass to the collaborator

import org.jspecify.annotations.NullUnmarked;

/**
 * Simple benchmark: create, start, read. This does not currently report the most useful result
 * because it's ambiguous to what extent the stopwatch benchmark is being affected by GC.
 *
 * @author Kevin Bourrillion
 */
@NullUnmarked
public class StopwatchBenchmark {
  @Benchmark
  long stopwatch(int reps) {
    long total = 0;
    for (int i = 0; i < reps; i++) {

     */
    public static void setLevel(final int level) {
        LogStream.level = level;
    }

    /**
     * This must be called before <code>getInstance</code> is called or
     * it will have no effect.
     *
     * @param stream the PrintStream to use for logging
     */
    public static void setInstance(final PrintStream stream) {
        inst = new LogStream(stream);
    }

    /**

        return params.containsKey(key);
    }

    /**
     * Returns a copy of the internal parameter map as a standard Map.
     * The returned map is a copy and modifications will not affect this instance.
     *
     * @return a new Map containing all current parameters
     */
    public Map<String, Object> asMap() {
        return new ParamMap<>(new HashMap<>(getDataMap(params)));
    }

            Thread.interrupted();
            if (interruptingThread.isAlive()) {
              // This will be hidden by test-output redirection:
              logger.severe("InterruptenatorTask did not exit; future tests may be affected");
              /*
               * This won't do any good under JUnit 3, but I'll leave it around in
               * case we ever switch to JUnit 4:
               */
              fail();
            }