ConditionExpressionContainerInterface.php

<?php

namespace Drupal\rules\Engine;

use Drupal\rules\Context\ContextConfig;

/**
 * Contains condition expressions.
 */
interface ConditionExpressionContainerInterface extends ConditionExpressionInterface, ExpressionContainerInterface {
    
    /**
     * Creates a condition expression and adds it to the container.
     *
     * @param string $condition_id
     *   The condition plugin id.
     * @param \Drupal\rules\Context\ContextConfig $config
     *   (optional) The configuration for the specified plugin.
     *
     * @return \Drupal\rules\Core\RulesConditionInterface
     *   The created condition.
     */
    public function addCondition($condition_id, ContextConfig $config = NULL);

}