property.unusedType error on private properties when @var tag has more than one type and property is assigned indirectly #13624
Description
Bug report
When defining types using /** @var <type> */ on private properties, I have recently started getting the error message:
Property Example::$exampleProperty (string|null) is never assigned string so it can be removed from the property type.
However, if I switch from using /** var <type> */ comment and just type the property directly, the error goes away.
This error did not exist in version 2.1.28.
I am currently using version 2.1.30.
Code snippet that reproduces the problem
Expected output
No errors. The error generated is not guaranteed.
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