It would be interesting to have a language with first-class(ish) support for "tagged" aliases, where an IDE could then expand to short/long versions as configur

It would be interesting to have a language with first-class(ish) support for "tagged" aliases, where an IDE could then expand to short/long versions as configured. To some extent you could already do it in a lot of languages which support annotations/decorations, but it might be nice to have it more built into the language for "standardization" if nothing else.