Bug report

As you can see from the example i have pulled out of the Laravel source, when using partition a two element array is return which is typically destructured to get the desired values, however phpstan fails to understand it and sets the type to mixed

Code snippet that reproduces the problem

https://phpstan.org/r/eb33c0aa-469a-491a-9fc8-1138a9c923ad

Expected output

i have added assertType calls in the example for my expected output

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