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diff --git a/vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php b/vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php
new file mode 100644
index 0000000..e8f6aca
--- /dev/null
+++ b/vendor/doctrine/persistence/src/Persistence/Mapping/AbstractClassMetadataFactory.php
@@ -0,0 +1,499 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Persistence\Mapping;
+
+use Doctrine\Persistence\Mapping\Driver\MappingDriver;
+use Doctrine\Persistence\Proxy;
+use Psr\Cache\CacheItemPoolInterface;
+use ReflectionClass;
+use ReflectionException;
+
+use function array_combine;
+use function array_keys;
+use function array_map;
+use function array_reverse;
+use function array_unshift;
+use function assert;
+use function class_exists;
+use function ltrim;
+use function str_replace;
+use function strpos;
+use function strrpos;
+use function substr;
+
+/**
+ * The ClassMetadataFactory is used to create ClassMetadata objects that contain all the
+ * metadata mapping informations of a class which describes how a class should be mapped
+ * to a relational database.
+ *
+ * This class was abstracted from the ORM ClassMetadataFactory.
+ *
+ * @template CMTemplate of ClassMetadata
+ * @template-implements ClassMetadataFactory<CMTemplate>
+ */
+abstract class AbstractClassMetadataFactory implements ClassMetadataFactory
+{
+    /**
+     * Salt used by specific Object Manager implementation.
+     *
+     * @var string
+     */
+    protected $cacheSalt = '__CLASSMETADATA__';
+
+    /** @var CacheItemPoolInterface|null */
+    private $cache;
+
+    /**
+     * @var array<string, ClassMetadata>
+     * @psalm-var CMTemplate[]
+     */
+    private $loadedMetadata = [];
+
+    /** @var bool */
+    protected $initialized = false;
+
+    /** @var ReflectionService|null */
+    private $reflectionService = null;
+
+    /** @var ProxyClassNameResolver|null */
+    private $proxyClassNameResolver = null;
+
+    public function setCache(CacheItemPoolInterface $cache): void
+    {
+        $this->cache = $cache;
+    }
+
+    final protected function getCache(): ?CacheItemPoolInterface
+    {
+        return $this->cache;
+    }
+
+    /**
+     * Returns an array of all the loaded metadata currently in memory.
+     *
+     * @return ClassMetadata[]
+     * @psalm-return CMTemplate[]
+     */
+    public function getLoadedMetadata()
+    {
+        return $this->loadedMetadata;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getAllMetadata()
+    {
+        if (! $this->initialized) {
+            $this->initialize();
+        }
+
+        $driver   = $this->getDriver();
+        $metadata = [];
+        foreach ($driver->getAllClassNames() as $className) {
+            $metadata[] = $this->getMetadataFor($className);
+        }
+
+        return $metadata;
+    }
+
+    public function setProxyClassNameResolver(ProxyClassNameResolver $resolver): void
+    {
+        $this->proxyClassNameResolver = $resolver;
+    }
+
+    /**
+     * Lazy initialization of this stuff, especially the metadata driver,
+     * since these are not needed at all when a metadata cache is active.
+     *
+     * @return void
+     */
+    abstract protected function initialize();
+
+    /**
+     * Returns the mapping driver implementation.
+     *
+     * @return MappingDriver
+     */
+    abstract protected function getDriver();
+
+    /**
+     * Wakes up reflection after ClassMetadata gets unserialized from cache.
+     *
+     * @psalm-param CMTemplate $class
+     *
+     * @return void
+     */
+    abstract protected function wakeupReflection(
+        ClassMetadata $class,
+        ReflectionService $reflService
+    );
+
+    /**
+     * Initializes Reflection after ClassMetadata was constructed.
+     *
+     * @psalm-param CMTemplate $class
+     *
+     * @return void
+     */
+    abstract protected function initializeReflection(
+        ClassMetadata $class,
+        ReflectionService $reflService
+    );
+
+    /**
+     * Checks whether the class metadata is an entity.
+     *
+     * This method should return false for mapped superclasses or embedded classes.
+     *
+     * @psalm-param CMTemplate $class
+     *
+     * @return bool
+     */
+    abstract protected function isEntity(ClassMetadata $class);
+
+    /**
+     * Removes the prepended backslash of a class string to conform with how php outputs class names
+     *
+     * @psalm-param class-string $className
+     *
+     * @psalm-return class-string
+     */
+    private function normalizeClassName(string $className): string
+    {
+        return ltrim($className, '\\');
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @throws ReflectionException
+     * @throws MappingException
+     */
+    public function getMetadataFor(string $className)
+    {
+        $className = $this->normalizeClassName($className);
+
+        if (isset($this->loadedMetadata[$className])) {
+            return $this->loadedMetadata[$className];
+        }
+
+        if (class_exists($className, false) && (new ReflectionClass($className))->isAnonymous()) {
+            throw MappingException::classIsAnonymous($className);
+        }
+
+        if (! class_exists($className, false) && strpos($className, ':') !== false) {
+            throw MappingException::nonExistingClass($className);
+        }
+
+        $realClassName = $this->getRealClass($className);
+
+        if (isset($this->loadedMetadata[$realClassName])) {
+            // We do not have the alias name in the map, include it
+            return $this->loadedMetadata[$className] = $this->loadedMetadata[$realClassName];
+        }
+
+        try {
+            if ($this->cache !== null) {
+                $cached = $this->cache->getItem($this->getCacheKey($realClassName))->get();
+                if ($cached instanceof ClassMetadata) {
+                    /** @psalm-var CMTemplate $cached */
+                    $this->loadedMetadata[$realClassName] = $cached;
+
+                    $this->wakeupReflection($cached, $this->getReflectionService());
+                } else {
+                    $loadedMetadata = $this->loadMetadata($realClassName);
+                    $classNames     = array_combine(
+                        array_map([$this, 'getCacheKey'], $loadedMetadata),
+                        $loadedMetadata
+                    );
+
+                    foreach ($this->cache->getItems(array_keys($classNames)) as $item) {
+                        if (! isset($classNames[$item->getKey()])) {
+                            continue;
+                        }
+
+                        $item->set($this->loadedMetadata[$classNames[$item->getKey()]]);
+                        $this->cache->saveDeferred($item);
+                    }
+
+                    $this->cache->commit();
+                }
+            } else {
+                $this->loadMetadata($realClassName);
+            }
+        } catch (MappingException $loadingException) {
+            $fallbackMetadataResponse = $this->onNotFoundMetadata($realClassName);
+
+            if ($fallbackMetadataResponse === null) {
+                throw $loadingException;
+            }
+
+            $this->loadedMetadata[$realClassName] = $fallbackMetadataResponse;
+        }
+
+        if ($className !== $realClassName) {
+            // We do not have the alias name in the map, include it
+            $this->loadedMetadata[$className] = $this->loadedMetadata[$realClassName];
+        }
+
+        return $this->loadedMetadata[$className];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasMetadataFor(string $className)
+    {
+        $className = $this->normalizeClassName($className);
+
+        return isset($this->loadedMetadata[$className]);
+    }
+
+    /**
+     * Sets the metadata descriptor for a specific class.
+     *
+     * NOTE: This is only useful in very special cases, like when generating proxy classes.
+     *
+     * @psalm-param class-string $className
+     * @psalm-param CMTemplate $class
+     *
+     * @return void
+     */
+    public function setMetadataFor(string $className, ClassMetadata $class)
+    {
+        $this->loadedMetadata[$this->normalizeClassName($className)] = $class;
+    }
+
+    /**
+     * Gets an array of parent classes for the given entity class.
+     *
+     * @psalm-param class-string $name
+     *
+     * @return string[]
+     * @psalm-return list<class-string>
+     */
+    protected function getParentClasses(string $name)
+    {
+        // Collect parent classes, ignoring transient (not-mapped) classes.
+        $parentClasses = [];
+
+        foreach (array_reverse($this->getReflectionService()->getParentClasses($name)) as $parentClass) {
+            if ($this->getDriver()->isTransient($parentClass)) {
+                continue;
+            }
+
+            $parentClasses[] = $parentClass;
+        }
+
+        return $parentClasses;
+    }
+
+    /**
+     * Loads the metadata of the class in question and all it's ancestors whose metadata
+     * is still not loaded.
+     *
+     * Important: The class $name does not necessarily exist at this point here.
+     * Scenarios in a code-generation setup might have access to XML/YAML
+     * Mapping files without the actual PHP code existing here. That is why the
+     * {@see \Doctrine\Persistence\Mapping\ReflectionService} interface
+     * should be used for reflection.
+     *
+     * @param string $name The name of the class for which the metadata should get loaded.
+     * @psalm-param class-string $name
+     *
+     * @return array<int, string>
+     * @psalm-return list<string>
+     */
+    protected function loadMetadata(string $name)
+    {
+        if (! $this->initialized) {
+            $this->initialize();
+        }
+
+        $loaded = [];
+
+        $parentClasses   = $this->getParentClasses($name);
+        $parentClasses[] = $name;
+
+        // Move down the hierarchy of parent classes, starting from the topmost class
+        $parent          = null;
+        $rootEntityFound = false;
+        $visited         = [];
+        $reflService     = $this->getReflectionService();
+
+        foreach ($parentClasses as $className) {
+            if (isset($this->loadedMetadata[$className])) {
+                $parent = $this->loadedMetadata[$className];
+
+                if ($this->isEntity($parent)) {
+                    $rootEntityFound = true;
+
+                    array_unshift($visited, $className);
+                }
+
+                continue;
+            }
+
+            $class = $this->newClassMetadataInstance($className);
+            $this->initializeReflection($class, $reflService);
+
+            $this->doLoadMetadata($class, $parent, $rootEntityFound, $visited);
+
+            $this->loadedMetadata[$className] = $class;
+
+            $parent = $class;
+
+            if ($this->isEntity($class)) {
+                $rootEntityFound = true;
+
+                array_unshift($visited, $className);
+            }
+
+            $this->wakeupReflection($class, $reflService);
+
+            $loaded[] = $className;
+        }
+
+        return $loaded;
+    }
+
+    /**
+     * Provides a fallback hook for loading metadata when loading failed due to reflection/mapping exceptions
+     *
+     * Override this method to implement a fallback strategy for failed metadata loading
+     *
+     * @return ClassMetadata|null
+     * @psalm-return CMTemplate|null
+     */
+    protected function onNotFoundMetadata(string $className)
+    {
+        return null;
+    }
+
+    /**
+     * Actually loads the metadata from the underlying metadata.
+     *
+     * @param bool               $rootEntityFound      True when there is another entity (non-mapped superclass) class above the current class in the PHP class hierarchy.
+     * @param list<class-string> $nonSuperclassParents All parent class names that are not marked as mapped superclasses, with the direct parent class being the first and the root entity class the last element.
+     * @psalm-param CMTemplate $class
+     * @psalm-param CMTemplate|null $parent
+     *
+     * @return void
+     */
+    abstract protected function doLoadMetadata(
+        ClassMetadata $class,
+        ?ClassMetadata $parent,
+        bool $rootEntityFound,
+        array $nonSuperclassParents
+    );
+
+    /**
+     * Creates a new ClassMetadata instance for the given class name.
+     *
+     * @psalm-param class-string<T> $className
+     *
+     * @return ClassMetadata<T>
+     * @psalm-return CMTemplate
+     *
+     * @template T of object
+     */
+    abstract protected function newClassMetadataInstance(string $className);
+
+    /**
+     * {@inheritDoc}
+     */
+    public function isTransient(string $className)
+    {
+        if (! $this->initialized) {
+            $this->initialize();
+        }
+
+        if (class_exists($className, false) && (new ReflectionClass($className))->isAnonymous()) {
+            return false;
+        }
+
+        if (! class_exists($className, false) && strpos($className, ':') !== false) {
+            throw MappingException::nonExistingClass($className);
+        }
+
+        /** @psalm-var class-string $className */
+        return $this->getDriver()->isTransient($className);
+    }
+
+    /**
+     * Sets the reflectionService.
+     *
+     * @return void
+     */
+    public function setReflectionService(ReflectionService $reflectionService)
+    {
+        $this->reflectionService = $reflectionService;
+    }
+
+    /**
+     * Gets the reflection service associated with this metadata factory.
+     *
+     * @return ReflectionService
+     */
+    public function getReflectionService()
+    {
+        if ($this->reflectionService === null) {
+            $this->reflectionService = new RuntimeReflectionService();
+        }
+
+        return $this->reflectionService;
+    }
+
+    protected function getCacheKey(string $realClassName): string
+    {
+        return str_replace('\\', '__', $realClassName) . $this->cacheSalt;
+    }
+
+    /**
+     * Gets the real class name of a class name that could be a proxy.
+     *
+     * @psalm-param class-string<Proxy<T>>|class-string<T> $class
+     *
+     * @psalm-return class-string<T>
+     *
+     * @template T of object
+     */
+    private function getRealClass(string $class): string
+    {
+        if ($this->proxyClassNameResolver === null) {
+            $this->createDefaultProxyClassNameResolver();
+        }
+
+        assert($this->proxyClassNameResolver !== null);
+
+        return $this->proxyClassNameResolver->resolveClassName($class);
+    }
+
+    private function createDefaultProxyClassNameResolver(): void
+    {
+        $this->proxyClassNameResolver = new class implements ProxyClassNameResolver {
+            /**
+             * @psalm-param class-string<Proxy<T>>|class-string<T> $className
+             *
+             * @psalm-return class-string<T>
+             *
+             * @template T of object
+             */
+            public function resolveClassName(string $className): string
+            {
+                $pos = strrpos($className, '\\' . Proxy::MARKER . '\\');
+
+                if ($pos === false) {
+                    /** @psalm-var class-string<T> */
+                    return $className;
+                }
+
+                /** @psalm-var class-string<T> */
+                return substr($className, $pos + Proxy::MARKER_LENGTH + 2);
+            }
+        };
+    }
+}