public function decodeHttpQuery()
    {
        $values = [];

        foreach ($this->getRequest()->query->all() as $key => $parameter) {
            if (strpos($key, self::PAGE) === 0) {
                $chunks = explode('_', $key);
                $contextId = end($chunks);
                $pager = new Pager($this);
                $pager->setFor($contextId)->setCurrent($parameter);
                $values[$key] = $pager;
            }
        }

        return $values;
    }