States — Concept of statehood — Whether “State” synonymous with “country” — Kosovo — Whether European Union Commission entitled to treat Kosovo as a “third country” — Whether doing so implied recognition of statehood

Recognition — Statehood — Implicit recognition — Whether EU Commission decision regarding cooperation with Kosovo providing for implicit recognition — Competence to recognize States within EU

Treaties — Interpretation — EU treaties — “Third country” — “Third State” — Meaning of country — Whether the term country limited to recognized States — International law — Whether recognizing concept of countries creating separate category of entity within international law

Treaties — Interpretation — Treaty on the European Union, 1992 — Article 17 — EU Regulation 2018/1971 — Body of European Regulators for Electronic Communications (“BEREC”) — Article 35 — Whether Article 17 TEU giving EU Commission power to create working arrangements within BEREC — Independence of BEREC — Whether EU Commission decision impinging BEREC independence — Whether EU Commission decision violating EU Regulation 2018/1971 — The law of the European Union