The condition plugin manager. Type:

Returns autocomplete responses for block categories. Hierarchy class \Drupal\block\Controller\

Selects the block page display variant. Hierarchy class \Drupal\block\EventSubscriber\

public static BlockViewBuilder::preRender($build)

hook_block_view_BASE_BLOCK_ID_alter(array &$build, \Drupal\Core\Block\BlockPluginInterface $block) Provide

hook_block_build_alter(array &$build, \Drupal\Core\Block\BlockPluginInterface $block) Alter the result

Defines a base block implementation that most blocks plugins will extend. This abstract class provides the generic block configuration form

The available contexts for this block and its visibility conditions. Type:

block_menu_delete(Menu $menu) Implements

public static BlockViewBuilder::lazyBuilder($entity_id, $view_mode)