107 files declare their use of Element
- AccountSettingsForm.php in core/
modules/ user/ src/ AccountSettingsForm.php  - Actions.php in core/
lib/ Drupal/ Core/ Render/ Element/ Actions.php  - AddFormBase.php in core/
modules/ media_library/ src/ Form/ AddFormBase.php  - aggregator.theme.inc in core/
modules/ aggregator/ aggregator.theme.inc  - Preprocessors and theme functions of Aggregator module.
 - ArgumentPluginBase.php in core/
modules/ views/ src/ Plugin/ views/ argument/ ArgumentPluginBase.php  - BlockComponentRenderArray.php in core/
modules/ layout_builder/ src/ EventSubscriber/ BlockComponentRenderArray.php  - BlockViewBuilder.php in core/
modules/ block/ src/ BlockViewBuilder.php  - book.module in core/
modules/ book/ book.module  - Allows users to create and organize related content in an outline.
 - BookAdminEditForm.php in core/
modules/ book/ src/ Form/ BookAdminEditForm.php  - Button.php in core/
lib/ Drupal/ Core/ Render/ Element/ Button.php  - Checkbox.php in core/
lib/ Drupal/ Core/ Render/ Element/ Checkbox.php  - CKEditor.php in core/
modules/ ckeditor/ src/ Plugin/ Editor/ CKEditor.php  - claro.theme in core/
themes/ claro/ claro.theme  - Functions to support theming in the Claro theme.
 - ClaroPreRender.php in core/
themes/ claro/ src/ ClaroPreRender.php  - Color.php in core/
lib/ Drupal/ Core/ Render/ Element/ Color.php  - comment.module in core/
modules/ comment/ comment.module  - Enables users to comment on published content.
 - common.inc in core/
includes/ common.inc  - Common functions that many Drupal modules will need to reference.
 - Container.php in core/
lib/ Drupal/ Core/ Render/ Element/ Container.php  - ContentTranslationHandler.php in core/
modules/ content_translation/ src/ ContentTranslationHandler.php  - content_translation.admin.inc in core/
modules/ content_translation/ content_translation.admin.inc  - The content translation administration forms.
 - Date.php in core/
lib/ Drupal/ Core/ Render/ Element/ Date.php  - Details.php in core/
lib/ Drupal/ Core/ Render/ Element/ Details.php  - editor.module in core/
modules/ editor/ editor.module  - Adds bindings for client-side "text editors" to text formats.
 - ElementTest.php in core/
tests/ Drupal/ Tests/ Core/ Render/ ElementTest.php  - Email.php in core/
lib/ Drupal/ Core/ Render/ Element/ Email.php  - entity.api.php in core/
lib/ Drupal/ Core/ Entity/ entity.api.php  - Hooks and documentation related to entities.
 - EntityField.php in core/
modules/ views/ src/ Plugin/ views/ field/ EntityField.php  - EntityForm.php in core/
lib/ Drupal/ Core/ Entity/ EntityForm.php  - EntityReferenceItem.php in core/
lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldType/ EntityReferenceItem.php  - EntityViewBuilder.php in core/
lib/ Drupal/ Core/ Entity/ EntityViewBuilder.php  - EntityViewDisplay.php in core/
lib/ Drupal/ Core/ Entity/ Entity/ EntityViewDisplay.php  - EntityViewTrait.php in core/
tests/ Drupal/ Tests/ EntityViewTrait.php  - ExtraFieldBlock.php in core/
modules/ layout_builder/ src/ Plugin/ Block/ ExtraFieldBlock.php  - FieldConfigDeleteForm.php in core/
modules/ field_ui/ src/ Form/ FieldConfigDeleteForm.php  - FieldUiTable.php in core/
modules/ field_ui/ src/ Element/ FieldUiTable.php  - field_test.module in core/
modules/ field/ tests/ modules/ field_test/ field_test.module  - Helper module for the Field API tests.
 - field_ui_test.module in core/
modules/ field_ui/ tests/ modules/ field_ui_test/ field_ui_test.module  - Field UI test module.
 - file.field.inc in core/
modules/ file/ file.field.inc  - Field module functionality for the File module.
 - file.module in core/
modules/ file/ file.module  - Defines a "managed_file" Form API field and a "file" field for Field module.
 - File.php in core/
lib/ Drupal/ Core/ Render/ Element/ File.php  - FileTransferAuthorizeForm.php in core/
lib/ Drupal/ Core/ FileTransfer/ Form/ FileTransferAuthorizeForm.php  - FileWidget.php in core/
modules/ file/ src/ Plugin/ Field/ FieldWidget/ FileWidget.php  - FilterPluginBase.php in core/
modules/ views/ src/ Plugin/ views/ filter/ FilterPluginBase.php  - form.inc in core/
includes/ form.inc  - Functions for form and batch generation and processing.
 - FormatterBase.php in core/
lib/ Drupal/ Core/ Field/ FormatterBase.php  - FormBuilder.php in core/
lib/ Drupal/ Core/ Form/ FormBuilder.php  - FormElementHelper.php in core/
lib/ Drupal/ Core/ Form/ FormElementHelper.php  - FormErrorHandler.php in core/
modules/ inline_form_errors/ src/ FormErrorHandler.php  - FormErrorHandler.php in core/
lib/ Drupal/ Core/ Form/ FormErrorHandler.php  - FormHelper.php in core/
lib/ Drupal/ Core/ Form/ FormHelper.php  - FormOperations.php in core/
modules/ workspaces/ src/ FormOperations.php  - FormTest.php in core/
modules/ system/ tests/ src/ Functional/ Form/ FormTest.php  - FormValidator.php in core/
lib/ Drupal/ Core/ Form/ FormValidator.php  - HandlerBase.php in core/
modules/ views/ src/ Plugin/ views/ HandlerBase.php  - Hidden.php in core/
lib/ Drupal/ Core/ Render/ Element/ Hidden.php  - image.admin.inc in core/
modules/ image/ image.admin.inc  - Administration pages for image settings.
 - image.field.inc in core/
modules/ image/ image.field.inc  - Implement an image field, based on the file module's file field.
 - ImageButton.php in core/
lib/ Drupal/ Core/ Render/ Element/ ImageButton.php  - language.admin.inc in core/
modules/ language/ language.admin.inc  - Administration functions for language.module.
 - LayoutBuilder.php in core/
modules/ layout_builder/ src/ Element/ LayoutBuilder.php  - LayoutBuilderEntityViewDisplay.php in core/
modules/ layout_builder/ src/ Entity/ LayoutBuilderEntityViewDisplay.php  - layout_builder.module in core/
modules/ layout_builder/ layout_builder.module  - Provides hook implementations for Layout Builder.
 - layout_discovery.module in core/
modules/ layout_discovery/ layout_discovery.module  - Provides hook implementations for Layout Discovery.
 - Link.php in core/
lib/ Drupal/ Core/ Render/ Element/ Link.php  - LocalTasksBlock.php in core/
lib/ Drupal/ Core/ Menu/ Plugin/ Block/ LocalTasksBlock.php  - ManagedFile.php in core/
modules/ file/ src/ Element/ ManagedFile.php  - media.module in core/
modules/ media/ media.module  - Provides media items.
 - media_library.module in core/
modules/ media_library/ media_library.module  - Contains hook implementations for the media_library module.
 - menu.inc in core/
includes/ menu.inc  - API for the Drupal menu system.
 - MenuForm.php in core/
modules/ menu_ui/ src/ MenuForm.php  - MessageViewBuilder.php in core/
modules/ contact/ src/ MessageViewBuilder.php  - ModulesListForm.php in core/
modules/ system/ src/ Form/ ModulesListForm.php  - node.module in core/
modules/ node/ node.module  - The core module that allows content to be submitted to the site.
 - Number.php in core/
lib/ Drupal/ Core/ Render/ Element/ Number.php  - Overview.php in core/
modules/ forum/ src/ Form/ Overview.php  - Password.php in core/
lib/ Drupal/ Core/ Render/ Element/ Password.php  - PluginBase.php in core/
modules/ views/ src/ Plugin/ views/ PluginBase.php  - QuickEditFieldForm.php in core/
modules/ quickedit/ src/ Form/ QuickEditFieldForm.php  - QuickEditIntegration.php in core/
modules/ layout_builder/ src/ QuickEditIntegration.php  - Radio.php in core/
lib/ Drupal/ Core/ Render/ Element/ Radio.php  - Range.php in core/
lib/ Drupal/ Core/ Render/ Element/ Range.php  - RenderElement.php in core/
lib/ Drupal/ Core/ Render/ Element/ RenderElement.php  - RendererTest.php in core/
tests/ Drupal/ Tests/ Core/ Render/ RendererTest.php  - Contains \Drupal\Tests\Core\Render\RendererTest.
 - Search.php in core/
lib/ Drupal/ Core/ Render/ Element/ Search.php  - Select.php in core/
lib/ Drupal/ Core/ Render/ Element/ Select.php  - SetCustomize.php in core/
modules/ shortcut/ src/ Form/ SetCustomize.php  - simpletest.module in core/
modules/ simpletest/ simpletest.module  - Provides testing functionality.
 - system.admin.inc in core/
modules/ system/ system.admin.inc  - Admin page callbacks for the system module.
 - SystemMenuBlockTest.php in core/
modules/ system/ tests/ src/ Kernel/ Block/ SystemMenuBlockTest.php  - SystemMenuOffCanvasForm.php in core/
modules/ system/ src/ Form/ SystemMenuOffCanvasForm.php  - Table.php in core/
lib/ Drupal/ Core/ Render/ Element/ Table.php  - Tableselect.php in core/
lib/ Drupal/ Core/ Render/ Element/ Tableselect.php  - taxonomy.module in core/
modules/ taxonomy/ taxonomy.module  - Enables the organization of content into categories.
 - Tel.php in core/
lib/ Drupal/ Core/ Render/ Element/ Tel.php  - Textfield.php in core/
lib/ Drupal/ Core/ Render/ Element/ Textfield.php  - TextFormat.php in core/
modules/ filter/ src/ Element/ TextFormat.php  - theme.inc in core/
includes/ theme.inc  - The theme system, which controls the output of Drupal.
 - ThemeSettingsForm.php in core/
modules/ system/ src/ Form/ ThemeSettingsForm.php  - toolbar.module in core/
modules/ toolbar/ toolbar.module  - Administration toolbar for quick access to top level administration items.
 - Toolbar.php in core/
modules/ toolbar/ src/ Element/ Toolbar.php  - TranslateEditForm.php in core/
modules/ locale/ src/ Form/ TranslateEditForm.php  - Url.php in core/
lib/ Drupal/ Core/ Render/ Element/ Url.php  - user.module in core/
modules/ user/ user.module  - Enables the user registration and login system.
 - ValidationTest.php in core/
modules/ system/ tests/ src/ Functional/ Form/ ValidationTest.php  - VerticalTabs.php in core/
lib/ Drupal/ Core/ Render/ Element/ VerticalTabs.php  - views_ui.theme.inc in core/
modules/ views_ui/ views_ui.theme.inc  - Preprocessors and theme functions for the Views UI.
 - WidgetBase.php in core/
lib/ Drupal/ Core/ Field/ WidgetBase.php  
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