public BlockListBuilder::render($theme = NULL, Request $request

The number of entities to list per page, or FALSE to list all entities. For example, set this to FALSE if the list uses client-side filters

protected BlockListBuilder::systemRegionList($theme, $show =

public BlockListBuilder::__construct(EntityTypeInterface $entity_type

Defines a class to build a listing of block entities. Hierarchy class \Drupal\Core\Entity\

public BlockListBuilder::buildForm(array $form, FormStateInterface

The current request. Type: \Symfony\Component\HttpFoundation\Request File

public BlockListBuilder::validateForm(array &$form, FormStateInterface