Recently we expanded this to support generic components using:
```customblock param=1
```
This will be translated to:
<pre data-code-param="1" data-code-wrap="customblock"><code class="lang-nohighlight"></code></pre>
Thus as a component you can use data-code-wrap to determine special handling and syntax highlighting is disabled.
We used this pattern here:
Which is an official mermaid theme component.