isService example

$class = $scope->getClassReflection();
        // complete class is marked as internal         if ($class !== null && $class->isInternal()) {
            return [];
        }

        if ($this->isConstructor($node)) {
            if ($this->isEvent($scope)) {
                return [];
            }

            if ($this->isService($scope)) {
                return ['__construct of di container services has to be @internal'];
            }
        }

        return [];
    }

    private function hasInternalComment(ClassMethod $node): bool
    {
        if ($node->getDocComment() === null) {
            return false;
        }