FN: use of callable on a property type is not allowed, but PHPStan doesn't report it #4424
Description
Feature request
https://phpstan.org/r/28100a96-b313-4515-805f-d4aefeca1b3f
callable is not allowed as a property typehint (presumably because the callable type is too unreliable, but don't quote me on this).
PHPStan should report this as an error.