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Pasted image at 2017_02_24 04_56 PM.png

<@U0NPL9MPU|mishaxz> uploaded a file: <https://kotlinlang.slack.com/files/mishaxz/F4AJ493LN/pasted_image_at_2017_02_24_04_56_pm.png|exposing internal return type> and commented: I'm having trouble understanding this error. Why does it matter? all overriden versions of this method are also protected - is it not allowed to have a protected fun returning any class that is internal or public ?