Parameter $mime_type_guesser of method Drupal\htmlmail\Utility\HtmlMailMime::__construct() has typehint with deprecated interface Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesserInterface: since Symfony 4.3, use {@link MimeTypesInterface} instead
Results are from dataset #9317 from 2023-01-29T14:42. Report is ran by the Drupal Association regularly.