Deprecated: Return type of Drupal\Component\Plugin\LazyPluginCollection::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/drupal8/test/core/lib/Drupal/Component/Plugin/LazyPluginCollection.php on line 145

Deprecated: Return type of Drupal\Component\Plugin\LazyPluginCollection::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/drupal8/test/core/lib/Drupal/Component/Plugin/LazyPluginCollection.php on line 156