RequirementsInterface.php

<?php

namespace Drupal\migrate\Plugin;


/**
 * An interface to check for a migrate plugin requirements.
 */
interface RequirementsInterface {
    
    /**
     * Checks if requirements for this plugin are OK.
     *
     * @throws \Drupal\migrate\Exception\RequirementsException
     *   Thrown when requirements are not met.
     */
    public function checkRequirements();

}