Case C-636/19: Judgment of the Court (Fourth Chamber) of 28 October 2021 (request for a preliminary ruling from the Centrale Raad van Beroep — Netherlands) — Y v CAK (Reference for a preliminary ruling — Cross-border healthcare — Concept of ‘insured person’ — Regulation (EC) No 883/2004 — Article 1(c) — Article 2 — Article 24 — Right to the benefits in kind provided by the Member State of residence at the expense of the Member State responsible for paying the pension — Directive 2011/24/EU — Article 3(b)(i) — Article 7 — Reimbursement of the costs of healthcare received in a Member State other than the Member State of residence and the Member State responsible for paying the pension — Conditions)