ChainBreadcrumbBuilderInterface.php

<?php

namespace Drupal\Core\Breadcrumb;


/**
 * Defines an interface a chained service that builds the breadcrumb.
 */
interface ChainBreadcrumbBuilderInterface extends BreadcrumbBuilderInterface {
    
    /**
     * Adds another breadcrumb builder.
     *
     * @param \Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface $builder
     *   The breadcrumb builder to add.
     * @param int $priority
     *   Priority of the breadcrumb builder.
     */
    public function addBuilder(BreadcrumbBuilderInterface $builder, $priority);

}