Ref: - https://www.reddit.com/r/PHP/comments/b1rn27/remove_dead_public_methods_from_your_code/einnu21/?context=3 - https://github.com/Symplify/Symplify/pull/1499 - https://blog.jetbrains.com/phpstorm/2019/03/phpstorm-2019-1-beta/
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