Fix Serializable deprecations triggered by token mocks #41554
Merged
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On 4.4,
TokenInterface
extendsSerializable
but does not enforce implementations to implement__serialize()
as well. When creating a mock from this interface, PHPUnit will emit code that triggers a deprecation warning on PHP 8.1.This PR introduces stricter versions of
TokenInterface
to work around that problem.My goal was to keep the diff small and mergable. We can probably drop most of the changes when merging to 5.2 because the two methods have been added there.