All classes that implement FileMetadataPluginInterface in File metadata manager 8
- class \Drupal\file_mdm\Plugin\FileMetadata\FileMetadataPluginBase implements FileMetadataPluginInterface
- class \Drupal\file_mdm\Plugin\FileMetadata\GetImageSize
- class \Drupal\file_mdm_exif\Plugin\FileMetadata\Exif
- class \Drupal\file_mdm_font\Plugin\FileMetadata\Font