@Override
        public Lock get() {
          return new ReentrantLock();
        }
      };

  @Param({"2", "8", "64", "1024", "65536"})
  int numStripes;

  @Param Impl impl;

  enum Impl {
    EAGER {
      @Override
      Striped<Lock> get(int stripes) {
        return Striped.lock(stripes);
      }
    },
    LAZY_SMALL {
      @Override
      Striped<Lock> get(int stripes) {

        BufferCacheImpl impl = new BufferCacheImpl(2, 3);
        byte[] a = new byte[1];
        byte[] c = new byte[2];
        byte[] d = new byte[4];

        impl.releaseBuffer(a); // goes to slot 0
        impl.releaseBuffer(c); // goes to slot 1
        impl.releaseBuffer(d); // dropped (cache full)

        byte[] first = impl.getBuffer(); // should return slot 0 -> a

        // Arrange: create an implementation instance
        SmbRenewableCredentials impl = supplier.get();

        // Act: call renew
        CredentialsInternal renewed = impl.renew();

        // Assert: verify behavior based on scenario
        if (expectSame) {
            assertSame(impl, renewed, "renew() should return the same instance");
        } else if (expectNew) {

@VmOptions({"-Xms8g", "-Xmx8g"})
@NullUnmarked
public class SingleThreadAbstractFutureBenchmark {
  @Param Impl impl;

  private final Exception exception = new Exception();
  private Facade<?> notDoneFuture;

  @BeforeExperiment
  void setUp() throws Exception {
    notDoneFuture = impl.newFacade();
  }

  @Benchmark
  public long timeComplete_Normal(int reps) throws Exception {
    long r = 0;

public class MoreExecutorsDirectExecutorBenchmark {
  enum Impl {
    EXECUTOR_SERVICE {
      @Override
      Executor executor() {
        return newDirectExecutorService();
      }
    },
    EXECUTOR {
      @Override
      Executor executor() {
        return directExecutor();
      }
    };

    abstract Executor executor();
  }

  @Param Impl impl;
  Executor executor;

    void testImplementationsAreUsable(SessionSetupHandler impl) {
        // Arrange is provided by method source

        // Act & Assert
        assertNotNull(impl, "Implementation instance should not be null");
        assertTrue(SessionSetupHandler.class.isInstance(impl), "Instance should be assignable to interface");
        assertTrue(SessionSetupHandler.class.isAssignableFrom(impl.getClass()), "Type should be assignable");
    }

  enum State {
    NOT_DONE,
    FINISHED,
    CANCELLED,
    FAILED
  }

  @Param State state;
  @Param Impl impl;

  @Param({"0", "1", "5", "10"})
  int numListeners;

  @Param({"0", "1", "5", "10"})
  int numThreads;

  private final Set<Thread> blockedThreads = new HashSet<>();

  @BeforeExperiment
  void setUp() throws Exception {

       */
      copyIfNecessary();
      this.impl = this.impl.combine(other.impl);
      return this;
    }

    @Override
    public ImmutableSet<E> build() {
      requireNonNull(impl); // see the comment on the field
      forceCopy = true;
      impl = impl.review();
      return impl.build();
    }
  }

@VmOptions({"-Xms8g", "-Xmx8g"})
@NullUnmarked
public class SingleThreadAbstractFutureBenchmark {
  @Param Impl impl;

  private final Exception exception = new Exception();
  private Facade<?> notDoneFuture;

  @BeforeExperiment
  void setUp() throws Exception {
    notDoneFuture = impl.newFacade();
  }

  @Benchmark
  public long timeComplete_Normal(int reps) throws Exception {
    long r = 0;

                  public Map<Class<?>, Impl> create(Object... elements) {
                    ImmutableClassToInstanceMap.Builder<Impl> builder =
                        ImmutableClassToInstanceMap.builder();
                    for (Object object : elements) {
                      Entry<?, ?> entry = (Entry<?, ?>) object;
                      builder.put((Class) entry.getKey(), (Impl) entry.getValue());
                    }