Provides a form for editing a date format. Hierarchy class \Drupal\Core\Form\

public ModulesUninstallConfirmForm

The menu machine name. Type: string File core/modul

The country manager. Type:

public SystemManager::__construct(ModuleHandlerInterface $module_handler

Default theme implementation for the admin index page. Available variables: system_compact_link:

System Manager Service. Hierarchy class \Drupal\system\

public DateFormatFormBase::validateForm(array &$form

The autocomplete matcher for entity references. Type:

Default theme implementation for a 'checkboxes' #type form element. Available variables attributes: