[Issue 19700] [2.085.0-beta.2] Obj-C wrong code overloading selectors and extern(D)

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19700

--- Comment #6 from Jacob Carlborg <doob at me.com> ---
An alternative would be to need to write `extern(Objective-C) extern class
NSString` for classes defined externally.

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