Case C-64/16: Judgment of the Court (Grand Chamber) of 27 February 2018 (request for a preliminary ruling from the Supremo Tribunal Administrativo — Portugal) — Associação Sindical dos Juízes Portugueses v Tribunal de Contas (Reference for a preliminary ruling — Article 19(1) TEU — Legal remedies — Effective judicial protection — Judicial independence — Charter of Fundamental Rights of the European Union — Article 47 — Reduction of remuneration in the national public administration — Budgetary austerity measures)