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• I have read the Clojure etiquette and will respect it when communicating on this platform.

Is your feature request related to a problem? Please describe.
Currently, for the following code:

(ns foo)
(clojure.java.io/file ".")

clj-kondo doesn't provide any analysis for the clojure.java.io/file symbol, even a full valid namespace, even not required, which makes clojure-lsp do not know about it, affecting some features:

• definition: we cannot go to the function definition
• hover: we cannot show the docs about it
• semantic tokens: we cannot color the alias + function name as we do not know about it.
  and other less important

Describe the solution you'd like
any analysis about at least the ns + function name would help, I thought about something like a basic var-usage with something telling that it's unresolved.

Describe alternatives you've considered
Parse the code in clojure-lsp with rewrite-clj, but that's a no-go for performance reasons.

Additional context

Clojure-lsp issue