Defines a class to build a listing of search page entities.
Hierarchy
class \Drupal\Core\Entity\EntityHandlerBase uses DependencySerializationTrait, StringTranslationTraitclass \Drupal\Core\Entity\EntityListBuilder implements EntityHandlerInterface, EntityListBuilderInterfaceclass \Drupal\Core\Config\Entity\ConfigEntityListBuilderclass \Drupal\Core\Config\Entity\DraggableListBuilder implements FormInterfaceclass \Drupal\search\SearchPageListBuilder implements FormInterface uses ConfigFormBaseTr