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Hi. What’s the best way to have functions / classes / etc visible across a Gradle project modules only? `internal` makes it visible only for the specific module. I see compiler supports `-Xfriend-paths` but that’s completely undocumented and as far as I know is not supported in Kotlin Gradle plugin 

`public` makes it visible outside of the module; at that point you can control consumers of the module (they have to declare a dependency on it to use it).

<@U035683KFAM> yes, but this is a library — I want to have some components visible to the “library group” of modules but hidden from general consumers 

the best alternative at the moment is an `@RequiresOptIn` annotation <https://kotlinlang.org/docs/opt-in-requirements.html>

<@U01681FLZC2> that’s a bit disappointing, but I guess you’re right — that’s how KotlinX coroutines does with `@InternalCoroutinesApi`