Joined Cases C-70/17 and C-179/17: Judgment of the Court (Grand Chamber) of 26 March 2019 (requests for a preliminary ruling from the Tribunal Supremo and the Juzgado de Primera Instancia no 1 de Barcelona — Spain) — Abanca Corporación Bancaria SA v Alberto García Salamanca Santos (C-70/17) and Bankia SA v Alfonso Antonio Lau Mendoza and Verónica Yuliana Rodríguez Ramírez (C-179/17) (Reference for a preliminary ruling — Consumer protection — Directive 93/13/EEC — Articles 6 and 7 — Unfair terms in consumer contracts — Accelerated repayment clause of a mortgage loan contract — Declaration that the clause is unfair in part — Powers of the national court when dealing with a term regarded as ‘unfair’ — Replacement of the unfair term with a provision of national law)