https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Command%21DbDumpApplication.php/class/DbDumpApplication/9
class DbDumpApplication | Drupal API
classdrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Command%21DbDumpApplication.php/11.x
DbDumpApplication.php | Drupal API
phpdrupalapi