8 string references to 'Checkboxes'

Checkboxes::getInfo in core/lib/Drupal/Core/Render/Element/Checkboxes.php: Returns the element properties for this element.
claro_preprocess_fieldset in core/themes/claro/claro.theme: Implements template_preprocess_HOOK() for fieldset.
ContentTranslationHandler::addTranslatabilityClue in core/modules/content_translation/src/ContentTranslationHandler.php: Adds a clue about the form element translatability.
FilterPluginBase::exposedTranslate in core/modules/views/src/Plugin/views/filter/FilterPluginBase.php: Make some translations to a form item to make it more suitable to exposing.
FilterPluginBase::groupForm in core/modules/views/src/Plugin/views/filter/FilterPluginBase.php: Builds a group form.
FormValidator::performRequiredValidation in core/lib/Drupal/Core/Form/FormValidator.php: Performs validation of elements that are not subject to limited validation.
InOperator::valueForm in core/modules/views/src/Plugin/views/filter/InOperator.php: Options form subform for setting options.
olivero_preprocess_fieldset in core/themes/olivero/olivero.theme: Implements template_preprocess_HOOK() for fieldset.