How to translate paths for custom page manager pages

Am I missing something very obvious here or is there not an easy possiblity to translate paths defined in custom pages in page manager.

For example if I create a custom page and give it a path "content", resulting in http://www.example.com/content, I want to have the path of that page be translated in another language when this language is active, e.g. for German it would be something like http://www.example.com/de/inhalt

There is a module trying to achieve something similiar - https://www.drupal.org/project/page_manager_pathauto - but it's very buggy and not really a solution.

Thanks for any input on that.