class LayoutBuilderEvents

final class LayoutBuilderEvents {
    
    /**
     * Name of the event fired when a component's render array is built.
     *
     * This event allows modules to collaborate on creating the render array of
     * the SectionComponent object. The event listener method receives a
     * \Drupal\layout_builder\Event\SectionComponentBuildRenderArrayEvent
     * instance.
     *
     * @Event
     *
     * @see \Drupal\layout_builder\Event\SectionComponentBuildRenderArrayEvent
     * @see \Drupal\layout_builder\SectionComponent::toRenderArray()
     *
     * @var string
     */
    const SECTION_COMPONENT_BUILD_RENDER_ARRAY = 'section_component.build.render_array';
    
    /**
     * Name of the event fired in when preparing a layout builder element.
     *
     * This event allows modules to collaborate on creating the sections used in
     * \Drupal\layout_builder\Element\LayoutBuilder during #pre_render.
     *
     * @see \Drupal\layout_builder\Event\PrepareLayoutEvent
     * @see \Drupal\layout_builder\Element\LayoutBuilder
     *
     * @var string
     */
    const PREPARE_LAYOUT = 'prepare_layout';

}