Expanded class hierarchy of Textfield in Drupal 8
- class \Drupal\config_translation\FormElement\FormElementBase implements ElementInterface uses StringTranslationTrait
- class \Drupal\config_translation\FormElement\DateFormat
- class \Drupal\config_translation\FormElement\PluralVariants
- class \Drupal\config_translation\FormElement\Textarea
- class \Drupal\config_translation\FormElement\Textfield
- class \Drupal\config_translation\FormElement\TextFormat
- class \Drupal\smart_date\FormElement\Boolean
- class \Drupal\smart_date\FormElement\Boolean