The theme handler. Type:

protected BlockBase::blockAccess(AccountInterface $account)

public Block::createDuplicateBlock($new_id = NULL, $new_theme = NULL)

public BlockBase::validateConfigurationForm(array &$form, FormStateInterface

public BlockForm::validateForm(array &$form, FormStateInterface $form_state)

The block storage. Type:

Controller for building the block instance add form. Hierarchy class \Drupal\Core\Controller\

The block manager. Type:

The context manager service. Type: \Drupal\Core\Plugin\Context\ContextRepositoryInterface File

public BlockBase::setTransliteration(TransliterationInterface $transliteration)