LaravelFCM\Response\GroupResponse::parse PHP Method

    private function parse($responseInJson)
    {
        if (array_key_exists(self::SUCCESS, $responseInJson)) {
            $this->numberTokensSuccess = $responseInJson[self::SUCCESS];
        }
        if (array_key_exists(self::FAILURE, $responseInJson)) {
            $this->numberTokensFailure = $responseInJson[self::FAILURE];
        }
        return $this->numberTokensFailure > 0;
    }