documentation/_request_info_filter_interface_8php_source.html

 <?php
 namespace Magento\Checkout\Model\Cart;

 interface RequestInfoFilterInterface
 {
     public function filter(\Magento\Framework\DataObject $params);
 }
Magento\Checkout\Model\Cart\RequestInfoFilterInterface
Definition: RequestInfoFilterInterface.php:14

Magento\Checkout\Model\Cart
Definition: CartInterface.php:6

Magento\Framework\DataObject
Definition: DataObject.php:15

Magento

$params
$params[\Magento\Store\Model\StoreManager::PARAM_RUN_CODE]
Definition: website.php:18

Magento\Checkout\Model\Cart\RequestInfoFilterInterface\filter
filter(\Magento\Framework\DataObject $params)