Case C-634/18: Judgment of the Court (First Chamber) of 11 June 2020 (request for a preliminary ruling from the Sąd Rejonowy w Słupsku — Poland) — Criminal proceedings against JI (Reference for a preliminary ruling — Judicial cooperation in criminal matters — Framework Decision 2004/757/JHA — Minimum provisions on the constituent elements of criminal acts and penalties involving illicit drug trafficking — Article 2(1)(c) — Article 4(2)(a) — Concept of ‘large quantities of drugs’ — Charter of Fundamental Rights of the European Union — Equal treatment — Articles 20 and 21 — Principle of legality of criminal offences and penalties — Article 49)