Case C-45/22, Service fédéral des Pensions: Judgment of the Court (Seventh Chamber) of 12 October 2023 (request for a preliminary ruling from the tribunal du travail francophone de Bruxelles — Belgium) — HK v Service fédéral des Pensions (Reference for a preliminary ruling — Social security for migrant workers — Regulation (EC) No 883/2004 — Article 55(1)(a) — Overlapping of benefits of a different kind — Application of national rules against overlapping — Calculation of the survivors’ pension — Division of the amounts of the benefit or benefits or other income, as taken into account, by the number of benefits — Concept of ‘amounts as they have been taken into account’)