[racket] implementing "require-redefine"

Hi all, please help me with the following:

I need to require a module, ideally with the same syntax as require, then
access to all the imported symbols and re-export them with the same name
but with a new definition, that is a wrapper for the original one.

I think this should be done with a macro, but I don't know how to access
the imported symbols acquired with require.

any pointers to documentation or ideas on how to implement this?

Thanks




-- 
Ismael
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