RenderableInterface

class \Drupal\Core\Breadcrumb\Breadcrumb implements \Drupal\Core\Render\RenderableInterface, \Drupal\Core\Cache\RefinableCacheableDependencyInterface uses \Drupal\Core\Cache\RefinableCacheableDependencyTrait
class \Drupal\Core\Datetime\FormattedDateDiff implements \Drupal\Core\Render\RenderableInterface, \Drupal\Core\Cache\CacheableDependencyInterface uses \Drupal\Core\Cache\UnchangingCacheableDependencyTrait
class \Drupal\Core\Link implements \Drupal\Core\Render\RenderableInterface