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- <?php
- namespace Drupal\Core\Display;
- /**
- * Provides an interface for PageDisplayVariant plugins.
- *
- * Page display variants are a specific type of DisplayVariant, intended for
- * "pages", which always have some main content to be rendered. Hence page
- * display variants may choose to render that main content in a certain way:
- * decorated in a certain way, laid out in a certain way, et cetera.
- *
- * For example, the \Drupal\block\Plugin\DisplayVariant\FullPageVariant page
- * display variant is used by the Block module to control regions and output
- * blocks placed in those regions.
- *
- * @see \Drupal\Core\Display\Annotation\DisplayVariant
- * @see \Drupal\Core\Display\VariantBase
- * @see \Drupal\Core\Display\VariantManager
- * @see plugin_api
- */
- interface PageVariantInterface extends VariantInterface {
- /**
- * Sets the main content for the page being rendered.
- *
- * @param array $main_content
- * The render array representing the main content.
- *
- * @return $this
- */
- public function setMainContent(array $main_content);
- /**
- * Sets the title for the page being rendered.
- *
- * @param string|array $title
- * The page title: either a string for plain titles or a render array for
- * formatted titles.
- *
- * @return $this
- */
- public function setTitle($title);
- }
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