View file phpBB3/vendor/twig/twig/lib/Twig/Node/CheckSecurity.php

<?php

use Twig\Node\CheckSecurityNode;

class_exists('Twig\Node\CheckSecurityNode');

@trigger_error('Using the "Twig_Node_CheckSecurity" class is deprecated since Twig version 2.7, use "Twig\Node\CheckSecurityNode" instead.', \E_USER_DEPRECATED);

if (false) {
    /** @deprecated since Twig 2.7, use "Twig\Node\CheckSecurityNode" instead */
    class Twig_Node_CheckSecurity extends CheckSecurityNode
    {
    }
}