// JoinLoaders - joins multiple loaders into a single loader. The returned
// loader will call each of the given loaders in order. If any of the loaders
// return an error, the returned loader will return that error.
func JoinLoaders(loaders ...MetricsLoaderFn) MetricsLoaderFn {
	return func(ctx context.Context, m MetricValues, c *metricsCache) error {
		for _, loader := range loaders {
			if err := loader(ctx, m, c); err != nil {

      }
    }
  }

  /**
   * Iterates through the given loaders until it finds one that can load Finalizer.
   *
   * @return Finalizer.class
   */
  private static Class<?> loadFinalizer(FinalizerLoader... loaders) {
    for (FinalizerLoader loader : loaders) {
      Class<?> finalizer = loader.loadFinalizer();
      if (finalizer != null) {
        return finalizer;

    private static final Loader SKIP_INSTRUMENTATION = new Loader();
    private final ConcurrentMap<ProtectionDomain, Loader> loaders;
    private final TransformedClassPath classPath;
    private volatile boolean closed;

    public TransformReplacer(TransformedClassPath classPath) {
        this.loaders = new ConcurrentHashMap<ProtectionDomain, Loader>();
        this.classPath = classPath;
    }

    /**

      }
    }
  }

  /**
   * Iterates through the given loaders until it finds one that can load Finalizer.
   *
   * @return Finalizer.class
   */
  private static Class<?> loadFinalizer(FinalizerLoader... loaders) {
    for (FinalizerLoader loader : loaders) {
      Class<?> finalizer = loader.loadFinalizer();
      if (finalizer != null) {
        return finalizer;

        def loadOps = operations.all(LoadBuildBuildOperationType)
        loadOps.size() == 3
        loadOps[0].displayName == "Load build"
        loadOps[0].details.buildPath == ":"
        loadOps[0].parentId == root.id

        loadOps[1].displayName == "Load build (:buildB)"
        loadOps[1].details.buildPath == ":buildB"
        loadOps[1].parentId == loadOps[0].id

        def loadOps = operations.all(LoadBuildBuildOperationType)
        loadOps.size() == 2
        loadOps[0].displayName == "Load build"
        loadOps[0].details.buildPath == ":"
        loadOps[0].parentId == root.id
        loadOps[1].displayName == "Load build (:buildB)"
        loadOps[1].details.buildPath == ":buildB"
        loadOps[1].parentId == loadOps[0].id

			continue
		}
		for i, l := range f.Loads {
			if len(l.Raw()) < 8 {
				t.Errorf("open %s, command %d:\n\tload command %T don't have enough data\n", tt.file, i, l)
			}
		}
		if tt.loads != nil {
			for i, l := range f.Loads {
				if i >= len(tt.loads) {
					break
				}

				want := tt.loads[i]
				if want == nil {
					continue
				}

		}
		var cmddat []byte
		cmddat, dat = dat[0:siz], dat[siz:]
		offset += int64(siz)
		var s *Segment
		switch cmd {
		default:
			f.Loads = append(f.Loads, LoadBytes(cmddat))

		case LoadCmdRpath:
			var hdr RpathCmd
			b := bytes.NewReader(cmddat)
			if err := binary.Read(b, bo, &hdr); err != nil {
				return nil, err
			}
			l := new(Rpath)

        scope.defines(local)
        scope.defines(exported)
        !scope.defines(TestClass1)
        !scope.defines(TestClass2)
    }

    def "requesting loaders before locking creates pessimistic setup"() {
        given:
        scope.localClassLoader // trigger

        when:
        file("local/local") << "bar"
        file("export/export") << "bar"
        scope.

func OrUintptr(addr *uintptr, mask uintptr) (old uintptr)

// LoadInt32 atomically loads *addr.
// Consider using the more ergonomic and less error-prone [Int32.Load] instead.
func LoadInt32(addr *int32) (val int32)

// LoadInt64 atomically loads *addr.
// Consider using the more ergonomic and less error-prone [Int64.Load] instead