Case C-704/18: Judgment of the Court (Fifth Chamber) of 12 February 2020 (request for a preliminary ruling from the Spetsializiran nakazatelen sad — Bulgaria) — Criminal proceedings against Nikolay Kolev and Others (Reference for a preliminary ruling — Article 267 TFEU — Implementation of a preliminary ruling of the Court — Power of a higher court to impose an injunction relating to the detailed rules for implementation — Procedural autonomy of the Member States — Principle of effectiveness — Observance of the rights of the defence)