ServiceModifierInterface.php

<?php

namespace Drupal\Core\DependencyInjection;


/**
 * Interface that service providers can implement to modify services.
 *
 * @ingroup container
 */
interface ServiceModifierInterface {
    
    /**
     * Modifies existing service definitions.
     *
     * @param ContainerBuilder $container
     *   The ContainerBuilder whose service definitions can be altered.
     */
    public function alter(ContainerBuilder $container);

}