…terface (dmaicher)This PR was merged into the 4.3-dev branch.Discussion----------[Serializer] provide new ObjectPropertyListExtractorInterface| Q             | A| ------------- | ---| Branch?       | master| Bug fix?      | no| New feature?  | yes| BC breaks?    | no| Deprecations? | no| Tests pass?   | yes| Fixed tickets | related to#30818| License       | MIT| Doc PR        | -EUFOSSA HackathonAs discussed with@joelwurtz this adds a new `ObjectPropertyListExtractorInterface` and a default implementation.See#30818>  A new interface will be provided ObjectPropertyListExtractorInterface (name can change), that allow getting attributes based on an object. A default implementation will be provided that use the PropertyListExtractorInterface and a class resolver, as the latter one only rely on class name, it may be important to have this distinction (this will allow features that rely on a specific value of the object to get the current property list, like exclusion policy)Commits-------997270f [Serializer] provide new ObjectPropertyListExtractorInterface

…tExtractorInterface (dmaicher)This PR was merged into the 4.3-dev branch.Discussion----------[Serializer] add return type hints for ObjectPropertyListExtractorInterface| Q             | A| ------------- | ---| Branch?       | master| Bug fix?      | no| New feature?  | no| BC breaks?    | no| Deprecations? | no| Fixed tickets | -| License       | MIT| Doc PR        | -@nicolas-grekas as just discussed here the type-hint + phpdoc cleanup as follow-up for#30904 😉cc@joelwurtzCommits-------7628972 [Serializer] add return type hints for ObjectPropertyListExtractorInterface

…lwurtz)This PR was merged into the 4.3-dev branch.Discussion----------[Serializer] Experimental for ObjectListExtractor| Q             | A| ------------- | ---| Branch?       | master| Bug fix?      | no| New feature?  | no| BC breaks?    | no| Deprecations? | no| Tests pass?   | yes| Fixed tickets |#30904| License       | MIT| Doc PR        | -Related to#30818I want to mark this class as `@expiremental` until we have the full refactoring done of the Serializer, also this would allow change needed if some behavior was not correctly taken into care in 4.3Mark also `final` for the default implementation as we don't want that to be extendable and user should use composition over inheritance.Commits-------b0cdf45 Set object list extractor as expiremental, and use final for default implementation