Case C-231/23, Eurobank Bulgaria: Order of the Court (Ninth Chamber) of 18 December 2023 (request for a preliminary ruling from the Sofiyski rayonen sad — Bulgaria) — ‘Eurobank Bulgaria’ AD (Reference for a preliminary ruling — Article 99 of the Rules of Procedure of the Court of Justice — Questions the answer to which may be clearly deduced from the Court’s existing case-law — Consumer protection — Unfair terms — Directive 93/13/EEC — Application by a seller or supplier concerning part of a debt based on a contract concluded with a consumer — Judgment upholding the application and confirming the validity of the contract in its entirety — Subsequent proceedings concerning a different part of that debt — Res judicata)