TransactionManagerInterface

class \Drupal\Core\Database\Transaction\TransactionManagerBase implements \Drupal\Core\Database\Transaction\TransactionManagerInterface
class \Drupal\mysql\Driver\Database\mysql\TransactionManager extends \Drupal\Core\Database\Transaction\TransactionManagerBase
class \Drupal\pgsql\Driver\Database\pgsql\TransactionManager extends \Drupal\Core\Database\Transaction\TransactionManagerBase
class \Drupal\sqlite\Driver\Database\sqlite\TransactionManager extends \Drupal\Core\Database\Transaction\TransactionManagerBase