[Serializer] Remove XmlEncoder::TYPE_CASE_ATTRIBUTES constant #33788
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There is a small typo in the
XmlEncoder
constant. This can only be fixed in the master branch for Symfony 5 as it is a breaking change. I'm not sure if it's possible to deprecate the usage of the old constant name in 4.4? As the constant just resolves to a string, there is no way of determining if someone used the constant or not (a quick search on Github, I can't find any direct usages of the constant outside of this class)