lsmith77/symfony — comment on commit f784a1c4506e0dc8d940beaed5e1366d427a9afe
File: src/Symfony/Component/Serializer/Normalizer/NormalizerInterface.php line 48
By stof:

btw, the next method should be moved to the new interface.

By adding them back, you will need to implement the methods in the Serializer class, as I mentioned in the PR.