Method Drupal\Composer\Plugin\Scaffold\Operations\ScaffoldFileCollection::getIterator() return type with generic class ArrayIterator does not specify its types: TKey, TValue

Method Drupal\Component\Annotation\Doctrine\StaticReflectionClass::getInterfaces() return type with generic class ReflectionClass does not specify its types: T

Method Drupal\Component\Annotation\Doctrine\StaticReflectionClass::getParentClass() return type with generic class ReflectionClass does not specify its types: T

Method Drupal\Component\Annotation\Doctrine\StaticReflectionClass::getTraits() return type with generic class ReflectionClass does not specify its types: T

Method Drupal\Component\Plugin\LazyPluginCollection::getIterator() return type with generic class ArrayIterator does not specify its types: TKey, TValue

Method Drupal\Core\Config\Schema\ArrayElement::getIterator() return type with generic class ArrayIterator does not specify its types: TKey, TValue

Method Drupal\Core\Config\TypedConfigManager::get() return type with generic interface Drupal\Core\TypedData\TraversableTypedDataInterface does not specify its types: I, T

Method Drupal\Core\Config\TypedConfigManager::getStaticTypeRoot() return type with generic interface Drupal\Core\TypedData\TraversableTypedDataInterface does not specify its types: I, T

Method Drupal\Core\Config\TypedConfigManager::createFromNameAndData() return type with generic interface Drupal\Core\TypedData\TraversableTypedDataInterface does not specify its types: I, T