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kotlinlang

Is it possible to create an IntelliJ plugin to highlight/colourize any the use of class/object which has a particular annotation? E.g. if I have a class `@Comment class Spec(...)` then whenever I refer to `Spec` in my code, it would be highlighted? I'd write code like `get(...).spec(Spec("description here"))` and everything and the `Spec("description here")` part would get a different text style?

My use is my custom API/router library and OpenAPI specification. My routes appear like this in the code:
``` get("", pageController::getPages).spec(Spec.PathItem("Get pages", "Returns a list of all pages"))

 post(
    "/save",
     pageController::saveMarkdownPageSource,
 ).supplies(setOf(MimeType.plainText)).spec(
   Spec.PathItem("Save page", "Save markdown page source"))```
Which is working fine, and my code builds an openAPI spec yaml file. But the `Spec` stuff is very noisy and makes the code hard to read. I'd like to be able to tell IntelliJ that `Spec` is a comment, ideally.

I like using `@Language("text")` for those sorts of situations

<https://www.jetbrains.com/help/idea/using-language-injections.html>