synchronized (mutex) {
        return delegate().get(key);
      }
    }

    @Override
    public @Nullable V getOrDefault(@Nullable Object key, @Nullable V defaultValue) {
      synchronized (mutex) {
        return delegate().getOrDefault(key, defaultValue);
      }
    }

    @Override
    public boolean isEmpty() {
      synchronized (mutex) {

      return this.getClass().getSimpleName() + "[" + index + "]";
    }
  }

  public void testNulls() {
    ServiceManager manager = new ServiceManager(Arrays.asList());
    new NullPointerTester()
        .setDefault(ServiceManager.Listener.class, new RecordingListener())
        .testAllPublicInstanceMethods(manager);
  }

  private static final class RecordingListener extends ServiceManager.Listener {

  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(double.class, 3.0);
    tester.testAllPublicStaticMethods(DoubleMath.class);
  }

    return big.bitLength() <= 31;
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(int.class, 1);
    tester.testAllPublicStaticMethods(IntMath.class);
  }

  @GwtIncompatible // isPrime is GWT-incompatible
  public void testIsPrime() {
    // Defer correctness tests to Long.isPrime

    assertThat(tester.instantiate(MyAnnotation.class)).isNull();
  }

  public void testInstantiate_setDefault() throws Exception {
    NotInstantiable x = new NotInstantiable();
    tester.setDefault(NotInstantiable.class, x);
    assertThat(tester.instantiate(ConstructorParameterNotInstantiable.class)).isNotNull();
  }

  public void testSetDistinctValues_equalInstances() {
    assertThrows(

        }

        this.localPid = (int) (Math.random() * 65536d);
        this.localTimeZone = TimeZone.getDefault();
        this.random = new SecureRandom();

        if (this.machineId == null) {
            final byte[] mid = new byte[32];
            this.random.nextBytes(mid);
            this.machineId = mid;

      }
      return // Already started.
    }

    var boundSocketAddress = socketAddress
    try {
      val serverSocketFactory =
        serverSocketFactory_
          ?: (ServerSocketFactory.getDefault()!!.also { this.serverSocketFactory_ = it })

      val serverSocket =
        serverSocketFactory
          .createServerSocket()!!
          .also { this.serverSocket = it }

pkg log/slog, func NewRecord(time.Time, Level, string, uintptr) Record #56345
pkg log/slog, func NewTextHandler(io.Writer, *HandlerOptions) *TextHandler #59339
pkg log/slog, func SetDefault(*Logger) #56345
pkg log/slog, func String(string, string) Attr #56345
pkg log/slog, func StringValue(string) Value #56345
pkg log/slog, func Time(string, time.Time) Attr #56345

                                if (phase == null) {
                                    continue;
                                }
                                String tmpResolvedPhase = plan.aliases().getOrDefault(phase, phase);
                                String resolvedPhase = tmpResolvedPhase.startsWith(AT)
                                        ? tmpResolvedPhase.substring(AT.length())

        if (cookieSpecRegistry != null) {
            return cookieSpecRegistry;
        }

        final PublicSuffixMatcher publicSuffixMatcher = PublicSuffixMatcherLoader.getDefault();
        final CookieSpecProvider defaultProvider =
                new DefaultCookieSpecProvider(CompatibilityLevel.DEFAULT, publicSuffixMatcher, cookieDatePatterns, false);