The block manager. Type:

protected BlockLibraryController::bui

The administrative label of the block. Type:

public static BlockAccessControlHandler::c

public Block::getVisibilityCondition($instance_id)

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

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

protected BlockForm::actions(array $form, FormStateInterface $form_state)

protected BlockBase::transliteration() Wraps

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