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<?php
namespace Drupal\Core\Block;
/**
* The interface for "title" blocks.
*
* A title block shows the title returned by the controller.
*
* @ingroup block_api
*
* @see \Drupal\Core\Render\Element\PageTitle
*/
interface TitleBlockPluginInterface extends BlockPluginInterface {
/**
* Sets the title.
*
* @param string|array $title
* The page title: either a string for plain titles or a render array for
* formatted titles.
*/
public function setTitle($title);
}