https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Action%21Plugin%21Action%21EmailAction.php/property/EmailAction%3A%3Astorage/8.9.x
EmailAction::$storage | Drupal API
storagedrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Action%21Plugin%21Action%21EmailAction.php/property/EmailAction%3A%3Astorage/10
EmailAction::$storage | Drupal API
storagedrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Action%21Plugin%21Action%21EmailAction.php/property/EmailAction%3A%3AmailManager/10
EmailAction::$mailManager | Drupal API
mailmanagerdrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Action%21Plugin%21Action%21EmailAction.php/9
EmailAction.php | Drupal API
phpdrupalapi