Case C-302/18: Judgment of the Court (Third Chamber) of 3 October 2019 (request for a preliminary ruling from the Raad voor Vreemdelingenbetwistingen — Belgium) — X v Belgische Staat (Reference for a preliminary ruling — Immigration policy — Status of third-country nationals who are long-term residents — Directive 2003/109/EC — Conditions for acquiring long-term resident status — Article 5(1)(a) — Stable, regular and sufficient resources)