Fix property names #430

Job	Run time
PHPStan with PHP 8.0 prefer-lowest	40s
PHPStan with PHP 7.4 prefer-stable	44s
PHPStan with PHP 8.2 prefer-stable	37s
PHPStan with PHP 8.0 prefer-stable	40s
PHPStan with PHP 8.2 prefer-lowest	33s
PHPStan with PHP 7.4 prefer-lowest	35s
	3m 49s

Provide feedback