The stream wrapper manager. Type:

Provides an interface defining a action entity. Hierarchy interface \Drupal\Core\Entity\

public ModulesListConfirmForm::getQuestion()

public ConfigCacheTag::__construct(ThemeHandlerInterface

public RegionalForm::submitForm(array &$form, FormStateInterface

protected ImageToolkitForm::getEditableConfigNames()

public ModulesUninstallConfirmForm

public ImageToolkitForm::__construct(ConfigFactoryInterface

public SystemConfigSubscriber::onConfigImporter

public FileSystemForm::getFormId()