DmitryDulepov\Realurl\Encoder\UrlEncoder::appendToEncodedUrl PHP Method

    protected function appendToEncodedUrl($stringToAppend, $addSlash = TRUE)
    {
        if ($stringToAppend !== '') {
            $this->encodedUrl = ($this->encodedUrl ? rtrim($this->encodedUrl, '/') . '/' : '') . $stringToAppend;
            if ($addSlash) {
                $this->encodedUrl .= '/';
            }
        }
    }