return new FunctionComposition<>(g, f);
  }

  private static final class FunctionComposition<
          A extends @Nullable Object, B extends @Nullable Object, C extends @Nullable Object>
      implements Function<A, C>, Serializable {
    private final Function<B, C> g;
    private final Function<A, ? extends B> f;

    FunctionComposition(Function<B, C> g, Function<A, ? extends B> f) {

        return interpolator;
    }

    private static final class InterpolateObjectAction implements PrivilegedAction<ModelInterpolationException> {

        private final boolean debugEnabled;
        private final LinkedList<Object> interpolationTargets;
        private final StringSearchModelInterpolator modelInterpolator;
        private final Logger logger;
        private final List<ValueSource> valueSources;

  // is created, by accessing a private field.
  private static final @Nullable Constructor<Thread> bigThreadConstructor =
      getBigThreadConstructor();

  private static final @Nullable Field inheritableThreadLocals =
      (bigThreadConstructor == null) ? getInheritableThreadLocalsField() : null;

  /** Constructs a new finalizer thread. */
  private Finalizer(
      Class<?> finalizableReferenceClass,

 */
public class NetworkInterfaceInfo {

    private int interfaceIndex;
    private int capability;
    private int linkSpeed; // In units of 1 Mbps
    private byte[] sockaddrStorage;
    private InetAddress address;
    private boolean ipv6;
    private boolean rssCapable; // Receive Side Scaling
    private boolean rdmaCapable;

    /**
     * Create network interface info
     *

    return cast(type, get(type));
  }

  @CanIgnoreReturnValue
  private static <T> @Nullable T cast(Class<T> type, @Nullable Object value) {
    return Primitives.wrap(type).cast(value);
  }

    private Object writeReplace() {
    return new SerializedForm<>(delegate());
  }

    private void readObject(ObjectInputStream stream) throws InvalidObjectException {

    private static final Logger log = LoggerFactory.getLogger(SmbPipeHandleImpl.class);

    private final SmbNamedPipe pipe;
    private final boolean transact;
    private final boolean call;

    private final int openFlags;
    private final int access;
    private volatile boolean open = true;

    private SmbFileHandleImpl handle;
    private SmbPipeOutputStream output;

 *
 * @author Cliff Biffle
 * @author Colin Decker
 */
@NullUnmarked
public class SubscriberTest extends TestCase {

  private static final Object FIXTURE_ARGUMENT = new Object();

  private EventBus bus;
  private boolean methodCalled;
  private @Nullable Object methodArgument;

  @Override
  protected void setUp() throws Exception {
    bus = new EventBus();
    methodCalled = false;

    abstract Cancellable schedule(
        AbstractService service, ScheduledExecutorService executor, Runnable runnable);

    private Scheduler() {}
  }

  /* use AbstractService for state management */
  private final AbstractService delegate = new ServiceDelegate();

  @WeakOuter
  private final class ServiceDelegate extends AbstractService {

  private static final ImmutableGraph<String> IMMUTABLE_GRAPH_B =
      GraphBuilder.directed().<String>immutable().addNode("B").build();

  private static final NetworkBuilder<?, ?> networkBuilderA =
      NetworkBuilder.directed().allowsParallelEdges(true).expectedNodeCount(10);
  private static final NetworkBuilder<?, ?> networkBuilderB =
      NetworkBuilder.directed().allowsSelfLoops(true).expectedNodeCount(16);

  // Instead, it should create a capture of the wildcard so that set() rejects any List<T>.
  private static class WildcardCapturer {

    static final WildcardCapturer INSTANCE = new WildcardCapturer();

    private final AtomicInteger id;

    private WildcardCapturer() {
      this(new AtomicInteger());
    }

    private WildcardCapturer(AtomicInteger id) {
      this.id = id;
    }