LaravelFCM\Response\DownstreamResponse::parseResult PHP Method

    private function parseResult($responseInJson)
    {
        foreach ($responseInJson[self::RESULTS] as $index => $result) {
            if (!$this->isSent($result)) {
                if (!$this->needToBeModify($index, $result)) {
                    if (!$this->needToBeDeleted($index, $result) && !$this->needToResend($index, $result) && !$this->checkMissingToken($result)) {
                        $this->needToAddError($index, $result);
                    }
                }
            }
        }
    }