app\helpers\RequestParams::getRequest PHP Method

    public function getRequest()
    {
        return $this->request;
    }

 public function setOption($value, RequestParams $allParams)
 {
     $this->groupName = $this->groupName . basename($allParams->getRequest()->getUri()->getPath());
     $arParams = ['value' => $value, 'codeName' => $this->variableName, 'groupName' => $this->groupName];
     $event = new BaseContainerEvent($this->c, $arParams);
     $event = $this->c->dispatcher->dispatch('middleware.lastpagepaginator.before', $event);
     $value = $event->getParams()['value'] ? $event->getParams()['value'] : $allParams->all($this->variableName);
     $result = $this->storeParams($value);
     $arParams = ['result' => $result, 'allParams' => $allParams];
     $event = new BaseContainerEvent($this->c, $arParams);
     $this->c->dispatcher->dispatch('middleware.lastpagepaginator.after', $event);
 }