32 classes are annotated with RenderElement

Actions in core/lib/Drupal/Core/Render/Element/Actions.php
Provides a wrapper element to group one or more buttons in a form.
Ajax in core/lib/Drupal/Core/Render/Element/Ajax.php
Provides a render element for adding Ajax to a render element.
BreakLockLink in core/lib/Drupal/Core/TempStore/Element/BreakLockLink.php
Provides a link to break a tempstore lock.
Container in core/lib/Drupal/Core/Render/Element/Container.php
Provides a render element that wraps child elements in a container.
ContextualLinks in core/modules/contextual/src/Element/ContextualLinks.php
Provides a contextual_links element.
ContextualLinksPlaceholder in core/modules/contextual/src/Element/ContextualLinksPlaceholder.php
Provides a contextual_links_placeholder element.
Details in core/lib/Drupal/Core/Render/Element/Details.php
Provides a render element for a details element, similar to a fieldset.
Dropbutton in core/lib/Drupal/Core/Render/Element/Dropbutton.php
Provides a render element for a set of links rendered as a drop-down button.
Fieldgroup in core/lib/Drupal/Core/Render/Element/Fieldgroup.php
Provides a render element for a group of form elements.
Fieldset in core/lib/Drupal/Core/Render/Element/Fieldset.php
Provides a render element for a group of form elements.
FieldUiTable in core/modules/field_ui/src/Element/FieldUiTable.php
Provides a field_ui table element.
Form in core/lib/Drupal/Core/Render/Element/Form.php
Provides a render element for a form.
Html in core/lib/Drupal/Core/Render/Element/Html.php
Provides a render element for an entire HTML page: <html> plus its children.
HtmlTag in core/lib/Drupal/Core/Render/Element/HtmlTag.php
Provides a render element for any HTML tag, with properties and value.
InlineTemplate in core/lib/Drupal/Core/Render/Element/InlineTemplate.php
Provides a render element where the user supplies an in-line Twig template.
Label in core/lib/Drupal/Core/Render/Element/Label.php
Provides a render element for displaying the label for a form element.
Link in core/lib/Drupal/Core/Render/Element/Link.php
Provides a link render element.
MoreLink in core/lib/Drupal/Core/Render/Element/MoreLink.php
Provides a link render element for a "more" link, like those used in blocks.
Operations in core/lib/Drupal/Core/Render/Element/Operations.php
Provides a render element for a set of operations links.
Page in core/lib/Drupal/Core/Render/Element/Page.php
Provides a render element for the content of an HTML page.
Pager in core/lib/Drupal/Core/Render/Element/Pager.php
Provides a render element for a pager.
PageTitle in core/lib/Drupal/Core/Render/Element/PageTitle.php
Provides a render element for the title of an HTML page.
ProcessedText in core/modules/filter/src/Element/ProcessedText.php
Provides a processed text render element.
ResponsiveImage in core/modules/responsive_image/src/Element/ResponsiveImage.php
Provides a responsive image element.
StatusMessages in core/lib/Drupal/Core/Render/Element/StatusMessages.php
Provides a messages element.
StatusReport in core/lib/Drupal/Core/Render/Element/StatusReport.php
Creates status report page element.
StatusReportPage in core/modules/system/src/Element/StatusReportPage.php
Creates status report page element.
SystemCompactLink in core/lib/Drupal/Core/Render/Element/SystemCompactLink.php
Provides a link to show or hide help text on administration pages.
TextFormat in core/modules/filter/src/Element/TextFormat.php
Provides a text format render element.
Toolbar in core/modules/toolbar/src/Element/Toolbar.php
Provides a render element for the default Drupal toolbar.
ToolbarItem in core/modules/toolbar/src/Element/ToolbarItem.php
Provides a toolbar item that is wrapped in markup for common styling.
View in core/modules/views/src/Element/View.php
Provides a render element to display a view.

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