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This is consistent with other Doctrine projects. Note that I had to add a "covariant" keyword on the template definition of
getReflectionClass()return type. That's because since PHP 8.4,ReflectionClassis considered invariant because of lazy objects. Lazy objects introduce new methods toReflectionClasswhere the template appears in parameter position, for instance that is the case forisUninitializedLazyObject(). I do not understand why this wasn't an issue withReflectionClass::isInstance(), which was introduced way earlier than that though.The solution I picked is to use "call-site variance", effectively saying that this is OK in this instance (but it might not be, I'm not sure).
The alternative to adding this keyword would be to drop generic information entirely.
See phpstan/phpstan#12459 for more details.