Case C-485/21: Judgment of the Court (Eighth Chamber) of 27 October 2022 (request for a preliminary ruling from the Rayonen sad — Nesebar — Bulgaria) — ‘S.V.’ OOD v E. Ts. D. (Reference for a preliminary ruling — Consumer protection — Directive 93/13/EEC — Unfair terms in consumer contracts — Article 2(b) — Concept of ‘consumer’ — Article 2(c) — Concept of ‘seller or supplier’ — Natural person who owns an apartment in a building in co-ownership — Different types of legal relationships relating to the management and maintenance of that building — Difference in treatment, as regards the status of consumer, arising from the law of a Member State between co-owners who have concluded an individual contract for the management and maintenance of the communal areas of such a building and those who have not concluded such a contract)