[Issue 21892] deprecation warning on reflection should be suppressed or at least suppressable

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21892

--- Comment #6 from ponce <aliloko at gmail.com> ---
> So this problem is actually causing people to NOT USE DEPRECATIONS where they should be used.

Exactly, we are loosing the ability to use "deprecated" in our widget class
hierarchy.

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