public function getSpeechBubble($text)
    {
        $lines = $this->getMessageLines($text);
        $lineLength = $this->getMaxLineLength($lines);
        $text = '';
        $numberOfLines = count($lines);
        $firstLine = str_pad(array_shift($lines), $lineLength);
        if ($numberOfLines === 1) {
            $text = "< {$firstLine} >";
        } else {
            $lastLine = str_pad(array_pop($lines), $lineLength);
            $text = "/ {$firstLine} \\\n";
            foreach ($lines as $line) {
                $line = str_pad($line, $lineLength);
                $text .= "| {$line} |\n";
            }
            $text .= "\\ {$lastLine} /";
        }

        $text = $this->extendBubble($text);
        return $text;
    }