isSuperTypeOf example

        $classMethodName = $node->name->toString();
        if (str_starts_with($classMethodName, 'setUp')) {
            return [];
        }

        $method = $classReflection->getMethod($node->name->toString(), $scope);

        $returnType = $method->getVariants()[0]->getReturnType();

        if ($returnType->isSuperTypeOf(new VoidType())->yes()) {
            return $this->baseRule->processNode($node, $scope);
        }

        $declaringClass = new ObjectType($classReflection->getName());

        // skip if method returns instance of self         if ($declaringClass->accepts($returnType, true)->yes()) {
            return [];
        }

        return $this->baseRule->processNode($node, $scope);
    }