src/HydratorPluginManager.php:22:7: MethodSignatureMismatch: Method Laminas\Hydrator\HydratorPluginManager::validate with return type '' is different to return type 'void' of inherited method Laminas\ServiceManager\PluginManagerInterface::validate (see https://psalm.dev/042)

src/HydratorPluginManager.php:29:15: NonInvariantPropertyType: Property Laminas\Hydrator\HydratorPluginManager::$aliases has type <empty>, not invariant with Laminas\ServiceManager\AbstractPluginManager::$aliases of type array<array-key, mixed> (see https://psalm.dev/265)

src/HydratorPluginManager.php:78:15: NonInvariantPropertyType: Property Laminas\Hydrator\HydratorPluginManager::$factories has type <empty>, not invariant with Laminas\ServiceManager\AbstractPluginManager::$factories of type array<array-key, mixed> (see https://psalm.dev/265)

src/HydratorPluginManager.php:91:15: NonInvariantPropertyType: Property Laminas\Hydrator\HydratorPluginManager::$sharedByDefault has type <empty>, not invariant with Laminas\ServiceManager\AbstractPluginManager::$sharedByDefault of type bool (see https://psalm.dev/265)

src/HydratorPluginManagerFactory.php:72:14: UndefinedClass: Class, interface or enum named Laminas\ServiceManager\Config does not exist (see https://psalm.dev/019)

src/HydratorPluginManagerFactory.php:72:45: MixedMethodCall: Cannot determine the type of the object on the left hand side of this expression (see https://psalm.dev/015)

src/Strategy/SerializableStrategy.php:83:38: MixedInferredReturnType: Could not verify return type 'Laminas\Serializer\Adapter\AdapterInterface' for Laminas\Hydrator\Strategy\SerializableStrategy::getSerializer (see https://psalm.dev/047)

src/Strategy/SerializableStrategy.php:87:33: UndefinedClass: Class, interface or enum named Laminas\Serializer\Serializer does not exist (see https://psalm.dev/019)

test/HydratorPluginManagerCompatibilityTest.php:19:17: ImplementedReturnTypeMismatch: The inherited return type 'Laminas\ServiceManager\AbstractSingleInstancePluginManager' for Laminas\ServiceManager\Test\CommonPluginManagerTrait::getPluginManager is different to the implemented return type for LaminasTest\Hydrator\HydratorPluginManagerCompatibilityTest::getpluginmanager 'Laminas\Hydrator\HydratorPluginManager' (see https://psalm.dev/123)