php/php.editor/test/unit/data/testfiles/verification/testIssue270237Fix02.php.testIssue270237Fix02a.fixed

<?php

interface FooInterface
{
    /**
     * @return string|int
     */
    public function someMethod(?string $string, int $int): ?Bar;
}

class Foo implements FooInterface
{
    public function someMethod(?string $string, int $int): ?\Bar {
        
    }

}