return classIdentifier.equals(that.classIdentifier) && unknownReason.equals(that.unknownReason);
    }

    @Override
    public HashCode getClassLoaderHash() {
        return null;
    }

    public UnknownReason getUnknownReason() {
        return unknownReason;
    }

    public String getProblemDescription() {

        hasher.putString(implMethodName);
        hasher.putString(implMethodSignature);
        hasher.putInt(implMethodKind);
    }

    @Nullable
    @Override
    public HashCode getClassLoaderHash() {
        return classLoaderHash;
    }

    public String getFunctionalInterfaceClass() {
        return functionalInterfaceClass;
    }

    public String getImplClass() {
        return implClass;

        }

        private HashCode classLoaderHashOf(Object value) {
            return classLoaderHasher.getClassLoaderHash(value.getClass().getClassLoader());
        }

        @Override
        public Isolatable<?> emptyArray(Class<?> arrayType) {
            return IsolatedArray.empty(arrayType);
        }

                val buildSrcClassLoaderScope = baseClassLoaderScopeOf(rootProject)
                val classLoaderHash = requireNotNull(classLoaderHierarchyHasher.getClassLoaderHash(buildSrcClassLoaderScope.exportClassLoader))
                val versionCatalogAccessors = generateVersionCatalogAccessors(rootProject, buildSrcClassLoaderScope, classLoaderHash)

            return new ClassLoaderHierarchyHasher() {
                @Nullable
                @Override
                public HashCode getClassLoaderHash(@Nonnull ClassLoader classLoader) {
                    throw new UnsupportedOperationException();
                }
            };
        }

        @Provides

            .orElse(null);
    }

    @Nullable
    private static byte[] getClassLoaderHashBytesOrNull(ImplementationSnapshot implementation) {
        HashCode hash = implementation.getClassLoaderHash();
        return hash == null ? null : hash.toByteArray();
    }


    @Nullable
    public List<String> getActionClassNames() {
        return getBeforeExecutionState()

class IsolatableSerializerRegistryTest extends Specification {
    def managedFactoryRegistry = TestUtil.managedFactoryRegistry()
    def classLoaderHasher = Stub(ClassLoaderHierarchyHasher) {
        getClassLoaderHash(_) >> TestHashCodes.hashCodeFrom(123)
    }
    IsolatableFactory isolatableFactory = new DefaultIsolatableFactory(classLoaderHasher, managedFactoryRegistry)

    def "setup"() {
        _ * classLoaderHierarchyHasher.getClassLoaderHash(_) >> TestHashCodes.hashCodeFrom(123)
    }

    def "creates registration with annotated parameters object"() {
        when:
        registry.registerTransform(TestTransform) {

import static org.gradle.util.TestUtil.instantiatorFactory

class DefaultIsolatableFactoryTest extends Specification {

    def classLoaderHasher = Stub(ClassLoaderHierarchyHasher) {
        getClassLoaderHash(_) >> TestHashCodes.hashCodeFrom(123)
    }
    def managedFactoryRegistry = Mock(ManagedFactoryRegistry)
    def snapshotter = new DefaultValueSnapshotter([], classLoaderHasher)

    def buildCacheController = Stub(BuildCacheController)
    def listenerManager = Stub(ListenerManager)
    def classloaderHierarchyHasher = new ClassLoaderHierarchyHasher() {
        @Override
        HashCode getClassLoaderHash(ClassLoader classLoader) {
            return TestHashCodes.hashCodeFrom(1234)
        }
    }
    def valueSnapshotter = new DefaultValueSnapshotter([], classloaderHierarchyHasher)