ElementAttachmentInterface.php

<?php

namespace Drupal\colorbox;


/**
 * An interface for attaching things to the built page.
 */
interface ElementAttachmentInterface {
    
    /**
     * Attach information to the page array.
     *
     * @param array $element
     *   The page array.
     */
    public function attach(array &$element);
    
    /**
     * Check if the attachment should be added to the current page.
     *
     * @return bool
     *   TRUE if the attachment should be added to the current page.
     */
    public function isApplicable();

}