Return type (int) of method SomeClass::count() should be covariant with return type (int<0, max>) of method Countable::count() #3997
Description
Bug report
After update to 0.12.51 all my classes with implemented Countable report issue:
Return type (int) of method SomeClass::count() should be covariant with return type (int<0, max>) of method Countable::count()
It appear when strict mode it's enabled.
Code snippet that reproduces the problem
https://phpstan.org/r/02ca7893-6eb0-4318-9e74-5a6a0e0d5d2f
Expected output
No error or idea how to resolve this.