The image style entity storage. Type:
public ImageStyleFormBase::form(array $form, FormStateInterface
The entity being used by this form. Type:
Base form for image style add and edit forms. Hierarchy class \Drupal\Core\Form\
public ImageStyleFormBase::save(array $form, FormStateInterface
public ImageStyleFormBase::__construct(EntityStorageInterface
public static ImageStyleFormBase::create(ContainerInterface