https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21ImageToolkit%21ImageToolkitManager.php/class/ImageToolkitManager/11.x
class ImageToolkitManager | Drupal API
classdrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21ImageToolkit%21ImageToolkitManager.php/class/ImageToolkitManager/10
class ImageToolkitManager | Drupal API
classdrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21ImageToolkit%21ImageToolkitManager.php/function/ImageToolkitManager%3A%3AgetDefaultToolkit/9
function ImageToolkitManager::getDefaultToolkit | Drupal API
functiondrupalapi