}


private
class CachedHierarchyAnnotationChecker(private val annotationType: KClass<out Annotation>) {
    fun isAnnotatedMaybeInSupertypes(kClass: KClass<*>): Boolean {
        // Can't use computeIfAbsent because of recursive calls
        hasRestrictedAnnotationWithSuperTypesCache[kClass]?.let { return it }
        return hasRestrictedAnnotationWithSuperTypes(kClass).also { hasRestrictedAnnotationCache[kClass] = it }
    }

            if (allProjects != null) {
                Map<String, Map<String, Map<String, MavenProject>>> map = new HashMap<>();
                allProjects.forEach(project -> map.computeIfAbsent(project.getGroupId(), k -> new HashMap<>())
                        .computeIfAbsent(project.getArtifactId(), k -> new HashMap<>())
                        .put(project.getVersion(), project));
                this.allProjects = map;
            } else {

) {
    private
    val methodCache = hashMapOf<Class<*>, Method?>()

    fun forObject(value: Any) =
        forClass(value.javaClass)

    fun forClass(type: Class<*>) = methodCache.computeIfAbsent(type) {
        it.firstAccessibleMatchingMethodOrNull(predicate)
    }
}


internal
fun Class<*>.firstAccessibleMatchingMethodOrNull(predicate: Method.() -> Boolean): Method? =

     * Loads cached dependency resolution metadata for the given project, if available,
     * or else runs the given function to create it and then writes the result to the cache.
     */
    LocalComponentGraphResolveState computeIfAbsent(ProjectState project, Function<ProjectState, LocalComponentGraphResolveState> factory);

) : BeanStateReaderLookup {

    private
    val beanStateReaders = ConcurrentHashMap<Class<*>, BeanStateReader>()

    override fun beanStateReaderFor(beanType: Class<*>): BeanStateReader =
        beanStateReaders.computeIfAbsent(beanType) { type -> BeanPropertyReader(type, constructors, instantiatorFactory) }

        // use original key
        return parent.replace(key, value);
    }

    @Override
    public V computeIfAbsent(final K key, final Function<? super K, ? extends V> mappingFunction) {
        // use original key
        return parent.computeIfAbsent(key, mappingFunction);
    }

    @Override

    private
    val beanPropertyWriters = ConcurrentHashMap<Class<*>, BeanStateWriter>()

    override fun beanStateWriterFor(beanType: Class<*>): BeanStateWriter =
        beanPropertyWriters.computeIfAbsent(beanType, ::BeanPropertyWriter)

        this.delegate = delegate;
    }


    @Override
    public SubstitutionResult apply(DependencyMetadata dependency) {
        ComponentSelector selector = dependency.getSelector();
        return cache.computeIfAbsent(selector, s -> delegate.apply(dependency));
    }

        this.forClass = forClass
    }

    private void initializeLock() {
        if (lock == null) {
            synchronized (ClassBasedLock) {
                lock = locks.computeIfAbsent(forClass) { new ReentrantLock() }
            }
        }
    }

    @Override
    void lock() {
        initializeLock()
        lock.lock()
    }

    void unlock() {

     * @param mappingFunction function to create a {@link ResolvedVariant}
     * @return the resolved variant created by the function or a cached instance, if available
     */
    ResolvedVariant computeIfAbsent(Identifier key, Function<? super Identifier, ? extends ResolvedVariant> mappingFunction);