As part of the OOUI-ification of the protection form we will need to change the function signature of the hook ProtectionForm::buildForm in a similar way to how we changed the function signature of SpecialContributions::getForm::filters
according to https://codesearch.wmflabs.org/search/?q=ProtectionForm%3A%3AbuildForm&i=nope&files=&repos=
We will need some cooperation from the following extensions:
This will follow the deprecation policy.
A deprecation notice has been added for 1.35.