Expanded class hierarchy of ConfigSourceBase in Media Migration 8
- class \Drupal\media_migration\Plugin\migrate\source\d7\ConfigSourceBase extends \Drupal\media_migration\Plugin\migrate\source\d7\DrupalSqlBaseWithCountCompatibility uses MediaMigrationDatabaseTrait
- class \Drupal\media_migration\Plugin\migrate\source\d7\FileEntityConfigSourceBase
- class \Drupal\media_migration\Plugin\migrate\source\d7\FilePlainConfigSourceBase