project-manager/api/app/facade/Tree.php

<?php

namespace app\facade;

use think\Facade;

/**
 * @method getTree(array $array,int $parent_id) static
 * @method getTreeV2(array $array) static
 */
class Tree extends Facade
{
    protected static function getFacadeClass(): string
    {
        return 'app\common\util\Tree';
    }
}